File: //opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyo
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Process a MATLAB style color/line style format string. Return a
(*linestyle*, *color*) tuple as a result of the processing. Default
values are ('-', 'b'). Example format strings include:
* 'ko': black circles
* '.b': blue dots
* 'r--': red dashed lines
.. seealso::
:func:`~matplotlib.Line2D.lineStyles` and
:func:`~matplotlib.pyplot.colors`
for all possible styles and color format string.
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Change the default cycle of colors that will be used by the plot
command. This must be called before creating the
:class:`Axes` to which it will apply; it will
apply to all future axes.
*clist* is a sequence of mpl color specifiers.
See also: :meth:`~matplotlib.axes.Axes.set_color_cycle`.
.. Note:: Deprecated 2010/01/03.
Set rcParams['axes.color_cycle'] directly.
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plot(t, s)
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plot(t1, s1, 'ko', t2, s2)
plot(t1, s1, 'ko', t2, s2, 'r--', t3, e3)
an arbitrary number of *x*, *y*, *fmt* are allowed
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The :class:`Axes` contains most of the figure elements:
:class:`~matplotlib.axis.Axis`, :class:`~matplotlib.axis.Tick`,
:class:`~matplotlib.lines.Line2D`, :class:`~matplotlib.text.Text`,
:class:`~matplotlib.patches.Polygon`, etc., and sets the
coordinate system.
The :class:`Axes` instance supports callbacks through a callbacks
attribute which is a :class:`~matplotlib.cbook.CallbackRegistry`
instance. The events you can connect to are 'xlim_changed' and
'ylim_changed' and the callback will be called with func(*ax*)
where *ax* is the :class:`Axes` instance.
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Build an :class:`Axes` instance in
:class:`~matplotlib.figure.Figure` *fig* with
*rect=[left, bottom, width, height]* in
:class:`~matplotlib.figure.Figure` coordinates
Optional keyword arguments:
================ =========================================
Keyword Description
================ =========================================
*adjustable* [ 'box' | 'datalim' | 'box-forced']
*alpha* float: the alpha transparency (can be None)
*anchor* [ 'C', 'SW', 'S', 'SE', 'E', 'NE', 'N',
'NW', 'W' ]
*aspect* [ 'auto' | 'equal' | aspect_ratio ]
*autoscale_on* [ *True* | *False* ] whether or not to
autoscale the *viewlim*
*axis_bgcolor* any matplotlib color, see
:func:`~matplotlib.pyplot.colors`
*axisbelow* draw the grids and ticks below the other
artists
*cursor_props* a (*float*, *color*) tuple
*figure* a :class:`~matplotlib.figure.Figure`
instance
*frame_on* a boolean - draw the axes frame
*label* the axes label
*navigate* [ *True* | *False* ]
*navigate_mode* [ 'PAN' | 'ZOOM' | None ] the navigation
toolbar button status
*position* [left, bottom, width, height] in
class:`~matplotlib.figure.Figure` coords
*sharex* an class:`~matplotlib.axes.Axes` instance
to share the x-axis with
*sharey* an class:`~matplotlib.axes.Axes` instance
to share the y-axis with
*title* the title string
*visible* [ *True* | *False* ] whether the axes is
visible
*xlabel* the xlabel
*xlim* (*xmin*, *xmax*) view limits
*xscale* [%(scale)s]
*xticklabels* sequence of strings
*xticks* sequence of floats
*ylabel* the ylabel strings
*ylim* (*ymin*, *ymax*) view limits
*yscale* [%(scale)s]
*yticklabels* sequence of strings
*yticks* sequence of floats
================ =========================================
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get the axes bounding box in display space; *args* and
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set the *dataLim* and *viewLim*
:class:`~matplotlib.transforms.Bbox` attributes and the
*transScale*, *transData*, *transLimits* and *transAxes*
transformations.
.. note::
This method is primarily used by rectilinear projections
of the :class:`~matplotlib.axes.Axes` class, and is meant
to be overridden by new kinds of projection axes that need
different transformations and limits. (See
:class:`~matplotlib.projections.polar.PolarAxes` for an
example.
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Get the transformation used for drawing x-axis labels, ticks
and gridlines. The x-direction is in data coordinates and the
y-direction is in axis coordinates.
.. note::
This transformation is primarily used by the
:class:`~matplotlib.axis.Axis` class, and is meant to be
overridden by new kinds of projections that may need to
place axis elements in different locations.
R� t tick1R� t tick2R� s unknown value for whichN( R� R� t get_spine_transformR ( R/ t which( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_xaxis_transform/ s c C s: | j d d � t j d d | d | j j � d d f S( s�
Get the transformation used for drawing x-axis labels, which
will add the given amount of padding (in points) between the
axes and the label. The x-direction is in data coordinates
and the y-direction is in axis coordinates. Returns a
3-tuple of the form::
(transform, valign, halign)
where *valign* and *halign* are requested alignments for the
text.
.. note::
This transformation is primarily used by the
:class:`~matplotlib.axis.Axis` class, and is meant to be
overridden by new kinds of projections that may need to
place axis elements in different locations.
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Get the transformation used for drawing the secondary x-axis
labels, which will add the given amount of padding (in points)
between the axes and the label. The x-direction is in data
coordinates and the y-direction is in axis coordinates.
Returns a 3-tuple of the form::
(transform, valign, halign)
where *valign* and *halign* are requested alignments for the
text.
.. note::
This transformation is primarily used by the
:class:`~matplotlib.axis.Axis` class, and is meant to be
overridden by new kinds of projections that may need to
place axis elements in different locations.
R� R� i g R@R� R� ( R� R� R� R� R� ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_xaxis_text2_transform^ s
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Get the transformation used for drawing y-axis labels, ticks
and gridlines. The x-direction is in axis coordinates and the
y-direction is in data coordinates.
.. note::
This transformation is primarily used by the
:class:`~matplotlib.axis.Axis` class, and is meant to be
overridden by new kinds of projections that may need to
place axis elements in different locations.
R� R� R� R� R� s unknown value for whichN( R� R� R� R ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_yaxis_transformv s c C s: | j d d � t j d | d d | j j � d d f S( s�
Get the transformation used for drawing y-axis labels, which
will add the given amount of padding (in points) between the
axes and the label. The x-direction is in axis coordinates
and the y-direction is in data coordinates. Returns a 3-tuple
of the form::
(transform, valign, halign)
where *valign* and *halign* are requested alignments for the
text.
.. note::
This transformation is primarily used by the
:class:`~matplotlib.axis.Axis` class, and is meant to be
overridden by new kinds of projections that may need to
place axis elements in different locations.
R� R� i����g R@i R� R� ( R� R� R� R� R� ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_yaxis_text1_transform� s
c C s6 | j d d � t j | d d | j j � d d f S( s�
Get the transformation used for drawing the secondary y-axis
labels, which will add the given amount of padding (in points)
between the axes and the label. The x-direction is in axis
coordinates and the y-direction is in data coordinates.
Returns a 3-tuple of the form::
(transform, valign, halign)
where *valign* and *halign* are requested alignments for the
text.
.. note::
This transformation is primarily used by the
:class:`~matplotlib.axis.Axis` class, and is meant to be
overridden by new kinds of projections that may need to
place axis elements in different locations.
R� R� g R@i R� R� ( R� R� R� R� R� ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_yaxis_text2_transform� s
c C s} | j j t j | j j � | j j � � � t | d � ry x9 | j D]+ } y | j j
� WqG t k
rq qG XqG Wn d S( Nt lines( R� t setR� R� R6 t
get_transformR7 RA R� t _transformed_patht
invalidatet AttributeError( R/ RD ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s
c C s$ | r | j j � S| j j � Sd S( s1 Return the a copy of the axes rectangle as a BboxN( R� R� R ( R/ t original( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_position� s
t bothc C si t | t j � s' t j j | � } n | d k rF | j j | � n | d k re | j j | � n d S( s�
Set the axes position with::
pos = [left, bottom, width, height]
in relative 0,1 coords, or *pos* can be a
:class:`~matplotlib.transforms.Bbox`
There are two position variables: one which is ultimately
used, but which may be modified by :meth:`apply_aspect`, and a
second which is the starting point for :meth:`apply_aspect`.
Optional keyword arguments:
*which*
========== ====================
value description
========== ====================
'active' to change the first
'original' to change the second
'both' to change both
========== ====================
R� t activeR� N( R� R� ( R� s original( R� R� t BboxBaseR� R� R R� R� ( R/ t posR� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_position� s c C s) | j d t � } | j | d d �d S( s. Make the original position the active positionR� R� R� N( R� R R� ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt reset_position� s c C s
| | _ d S( s�
set axes_locator
ACCEPT : a callable object which takes an axes instance and renderer and
returns a bbox.
N( t
_axes_locator( R/ t locator( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s c C s | j S( s%
return axes_locator
( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_axes_locator s c C s@ | j | j � | j � s/ | j | j � n | j | � d S( s3 set the boilerplate props for artists added to axesN( R� R� t is_transform_sett
set_transformR� R� ( R/ t a( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt _set_artist_props s c C s t j d d d � S( s[
Returns the patch used to draw the background of the axes. It
is also used as the clipping path for any data elements on the
axes.
In the standard axes, this is a rectangle, but in other
projections it may not be.
.. note::
Intended to be overridden by new projection types.
g g �?( g g ( Rc t Rectangle( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt _gen_axes_patch s g t inchesc C s\ i t j j | d � d 6t j j | d � d 6t j j | d � d 6t j j | d � d 6S( sg
Returns a dict whose keys are spine names and values are
Line2D or Patch instances. Each element is used to draw a
spine of the axes.
In the standard axes, this is a single line segment, but in
other projections it may not be.
.. note::
Intended to be overridden by new projection types.
R� R� R� R� ( t mspinest Spinet linear_spine( R/ t locationst offsetR9 ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� s
c
C s� | j j � | j j � x' | j j � D] \ } } | j � q* Wt | _ t j d � | _ | j
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j j � � n | j j d � | j d k r�| j j j | j _ | j j j
| j _
| j j � \ } } | j | | d t d d �| j j | j j j � � n | j j d � t | _ t | _ d | _ d | _ t | _ | j � t | � | _ t | d � | _ t d | _ g | _! g | _" g | _# g | _$ g | _% g | _& d | _' d | _( g | _) | j* | j � t+ j, d t d
� } t- j. d d | j/ j0 � | _1 t2 j3 d d d d d d d | d d d d � | _4 | j4 j5 | j6 | j1 � | j4 j7 d � | j8 | j4 � | j9 � | _: | _; | j: j< | j/ � | j: j= | j> � | j: j? d � | j: j@ d � | j: j5 | j6 � t | _A | j jB | j: � | j jB | j: � | jC jD � | jE jD � d S( s Clear the current axest xlim_changedt ylim_changedt emitR� t lineari R` s axes.gridt sizes axes.titlesizeg g @g R@RT g �?RU g �?t textR t fontpropertiest verticalalignmentt baselinet horizontalalignmentR� R N( R R
gr �q DZ?(F R6 R� R7 R� t iteritemsR t ignore_existing_data_limitst cbookt CallbackRegistryR� R� R t majort minort get_xlimt set_xlimR
t set_scalet get_scaleR� t get_ylimt set_ylimt
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_get_linest _get_patches_for_fillR t _gridOnR� t patchest textst tablest artistst imagest _current_imaget legend_t collectionsR� t font_managert FontPropertiesR� R� R� R� t titleOffsetTranst mtextt Textt titleR� R� t set_clip_boxR R t patcht axesPatchR� t
set_facecolorR� t
set_edgecolort
set_linewidtht axisont
set_clip_pathR� t cleanR� ( R/ t namet spinet x0t x1t y0t y1t props( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� / s|
c C s t d � � d S( Ns. Axes.frame was removed in favor of Axes.spines( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_frame� s c C s | j � d S( s clear the axesN( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt clear� s c C s$ | j j | � | j j | � d S( s�
Set the color cycle for any future plot commands on this Axes.
*clist* is a list of mpl color specifiers.
N( R$ R. R% ( R/ R( ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR. � s c C s | j S( s" return the HOLD status of the axes( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt ishold� s c C s) | d k r | j | _ n | | _ d S( s0
call signature::
hold(b=None)
Set the hold state. If *hold* is *None* (default), toggle the
*hold* state. Else set the *hold* state to boolean value *b*.
Examples:
* toggle hold:
>>> hold()
* turn hold on:
>>> hold(True)
* turn hold off
>>> hold(False)
When hold is True, subsequent plot commands will be added to
the current axes. When hold is False, the current axes and
figure will be cleared on the next plot command
N( R R� ( R/ t b( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt hold� s c C s | j S( N( t _aspect( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
get_aspect� s c C s{ | d k r d | _ n' | d k r0 d | _ n t | � | _ | d k r[ | j | � n | d k rw | j | � n d S( s�
*aspect*
======== ================================================
value description
======== ================================================
'auto' automatic; fill position rectangle with data
'normal' same as 'auto'; deprecated
'equal' same scaling from data to plot units for x and y
num a circle will be stretched such that the height
is num times the width. aspect=1 is the same as
aspect='equal'.
======== ================================================
*adjustable*
============ =====================================
value description
============ =====================================
'box' change physical size of axes
'datalim' change xlim or ylim
'box-forced' same as 'box', but axes can be shared
============ =====================================
'box' does not allow axes sharing, as this can cause
unintended side effect. For cases when sharing axes is
fine, use 'box-forced'.
*anchor*
===== =====================
value description
===== =====================
'C' centered
'SW' lower left corner
'S' middle of bottom edge
'SE' lower right corner
etc.
===== =====================
t normalR� t equalN( RL s auto( RJ Rk R t set_adjustableR� ( R/ t aspectt
adjustablet anchor( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s * c C s | j S( N( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_adjustable� s c C sd | d k rT | | j k s* | | j k rH | d k rH t d � � qH n | | _ n t d � � d S( s>
ACCEPTS: [ 'box' | 'datalim' | 'box-forced']
R� R� s
box-forceds, adjustable must be "datalim" for shared axess$ argument must be "box", or "datalim"N( s boxs datalims
box-forced( R� R� R R� ( R/ RP ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyRN � s c C s | j S( N( t _anchor( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
get_anchor s c C s_ | t j j j � k s* t | � d k r6 | | _ n% t d d j t j j j � � � � d S( su
*anchor*
===== ============
value description
===== ============
'C' Center
'SW' bottom left
'S' bottom
'SE' bottom right
'E' right
'NE' top right
'N' top
'NW' top left
'W' left
===== ============
i s argument must be among %ss , N( R� R� t coefst keysRh RS R R� t BBox( R/ RQ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� s * c C sd | j � \ } } | j � \ } } t t j | | � d � } t t j | | � d � } | | S( s�
Returns the aspect ratio of the raw data.
This method is intended to be overridden by new projection
types.
g���KH�9( t
get_xboundt
get_yboundRn t matht fabs( R/ t xmint xmaxt ymint ymaxt xsizet ysize( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_data_ratio s
c C s� | j � \ } } | j � \ } } t t j t j | � t j | � � d � } t t j t j | � t j | � � d � } | | S( s
Returns the aspect ratio of the raw data in log scale.
Will be used when both axis scales are in log.
g���KH�9( RX RY Rn RZ R[ t log10( R/ R\ R] R^ R_ R` Ra ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_data_ratio_log0 s
..c 0 C s� | d k r! | j d t � } n | j � } | j d k r� | j � | j � } } | d k rv | d k rv d } q� | d k r� | d k r� d } q� | d k r� | d k s� | d k r� | d k r� | d k r� t j d | | f � d } q� q� n d } | d k r"| j | d d �d S| d
k r7d } n | } | | j
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} | j � \ } } | d k r�t j |
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|
| } | | | d } t | � d k r>d S| d k r�| j } t j | j � t j | j � } t j | j � t j | j! � } d | } d | } n# | j } d | j" } d | j# } | | } | | } | | } | | }! |! | }" | | }# d }$ d }% | | j k o4| | j
k }& | | j
k oR| | j k }' |& rr|' rrt j d � d S|& r�t$ }( nc | |$ k r�| |% k r�|# d k r�| d k p�|" d k o�| d k }) n | d k }) |' p�|) }( |( rTd | | }* |* | d }+ |* | d }, | d k r>| j% d |+ d |, f � q�| j% |+ |, f � ng d |
| }- |- |! d }. |- |! d }/ | d k r�| j& d |. d |/ f � n | j& |. |/ f � d S( sp
Use :meth:`_aspect` and :meth:`_adjustable` to modify the
axes box or the view limits.
R� t polarR t logR� s: aspect is not supported for Axes with xscale=%s, yscale=%sR� R� NRM i R� R� s7 shared axes: "adjustable" is being changed to "datalim"s
box-forcedg���KH�9g �?g{�G�zt?g�������?i s9 adjustable='datalim' cannot work with shared x and y axesg �?g @g $@( s boxs
box-forced(' R R� R RK R> t
get_xscalet
get_yscaleR% R& R� R� R� R� t
get_figuret get_size_inchesRd Rb R� t shrunk_to_aspectt anchoredRT RX RY RZ Rc Rn R[ R� t absR� RA R@ RC RB t widtht heightR
t
set_yboundt
set_xbound(0 R/ t positionRO R� R� t aspect_scale_modet At figWt figHt
fig_aspectt
box_aspectt pbt pb1R\ R] R^ R_ R` Ra t lRH t wt ht
data_ratiot
y_expandert dLt dL_widtht dL_heightt xrt yrt xmargt ymargt Ysizet Xsizet Xmargt Ymargt xmt ymt changext changeyt adjust_yt adjyt ycRB RC t xcR@ RA ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt apply_aspect> s�
" "
""
c O s� t | � d k r�t | d � r�| d j � } | d k rK | j � n*| d k rd | j � n| d k re| j t � | j d � | j d t � | d k r� | j d d d �qu| d k r� | j d d d
d d �| j t � qu| d k r | j d t � | j t � qu| d
k ru| j d t � | j t � | j d d d
d d �qun t
d | � � | j � \ } } | j � \ } } | | | | f Sy | d Wn� t
k
re| j d t � } | j d d � } | j d d � } | j | | | � \ } } | j d d � } | j d d � } | j | | | � \ } } | | | | f SX| d } t | � d k r�t
d � � n | j | d | d g � | j | d | d g � | S( s�
Convenience method for manipulating the x and y view limits
and the aspect ratio of the plot.
*kwargs* are passed on to :meth:`set_xlim` and
:meth:`set_ylim`
i i R R RM t tightt scaledRL R� t imageRP R� R� RQ R� s- Unrecognized string %s to axis; try on or offR R\ R] R^ R_ i s$ v must contain [xmin xmax ymin ymax]i i ( s equals tightR� s normals autoR� N( Rh R t lowert set_axis_ont set_axis_offt set_autoscale_onR R� t autoscale_viewR
R R R t
IndexErrorRl R R R ( R/ Rr R= R R\ R] R^ R_ R ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt axis� sX "
c C s t d � � d S( s[
Return a list of artists the axes contains.
.. deprecated:: 0.98
s Use get_children insteadN( R' ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_child_artists s c C s t j d t � | j S( s Return the axes Rectangle frames use ax.patch instead( R% R& R' R6 ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyRE s c C s | j S( sB Return the legend.Legend instance, or None if no legend is defined( R- ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
get_legend s c C s t j d | j � S( s2 return a list of Axes images contained by the Axest AxesImage( R t silent_listR+ ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
get_images s c C s t j d | j � S( s, Return a list of lines contained by the AxesR[ ( R R� R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_lines! s c C s | j S( s Return the XAxis instance( R6 ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_xaxis% s c C s t j d | j j � � S( s2 Get the x grid lines as a list of Line2D instancess Line2D xgridline( R R� R6 t
get_gridlines( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_xgridlines) s c C s t j d | j j � � S( s1 Get the xtick lines as a list of Line2D instancess Text xtickline( R R� R6 t
get_ticklines( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_xticklines. s c C s | j S( s Return the YAxis instance( R7 ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_yaxis3 s c C s t j d | j j � � S( s2 Get the y grid lines as a list of Line2D instancess Line2D ygridline( R R� R7 R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_ygridlines7 s c C s t j d | j j � � S( s1 Get the ytick lines as a list of Line2D instancess Line2D ytickline( R R� R7 R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_yticklines; s c C sw t | t j j � r= | j d | j k rj t d � � qj n- | | j k rj | | j k rj t d � � n | | _ d S( sZ
helper for :func:`~matplotlib.pyplot.sci`;
do not use elsewhere.
i s" ContourSet must be in current AxessA Argument must be an image, collection, or ContourSet in this AxesN( R� t
matplotlibt contourt
ContourSetR. R R+ R, ( R/ t im( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt _sciA s c C s | j S( sZ
helper for :func:`~matplotlib.pyplot.gci`;
do not use elsewhere.
( R, ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt _gciO s c C s: t | j � t | j � t | j � t | j � d k S( s� Return *True* if any artists have been added to axes.
This should not be used to determine whether the *dataLim*
need to be updated, and may not actually be useful for
anything.
i ( Rh R. R+ R� R' ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt has_dataV s
&c sP | j � � � j j | � � j | � | j � j � � f d � | _ | S( sf
Add any :class:`~matplotlib.artist.Artist` to the axes.
Returns the artist.
c s � j j | � S( N( R* t remove( R} ( R/ ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt <lambda>m s ( R� R* Ro R R< R6 t _remove_method( R/ R� ( ( R/ sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
add_artistc s
c s� | j � } | s/ | j d t � j � � n � j j | � � j | � | j � d k rq | j � j � n | r� | j
r� t | j
� r� � j | j � j
� � q� n � f d � | _ | S( s�
Add a :class:`~matplotlib.collections.Collection` instance
to the axes.
Returns the collection.
s
_collection%dc s � j j | � S( N( R. R� ( R} ( R/ ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s N( t get_labelR� Rh R. Ro R t
get_clip_pathR R< R6 t _pathst update_datalimt get_datalimR� R� ( R/ t
collectiont autolimR� ( ( R/ sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt add_collectionp s
c s� � j | � | j � d k r2 | j � j � n � j | � | j � sh | j d t � j � � n � j j
| � � f d � | _ | S( sv
Add a :class:`~matplotlib.lines.Line2D` to the list of plot
lines
Returns the line.
s _line%dc s � j j | � S( N( R� R� ( R} ( R/ ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s N( R R� R R< R6 t _update_line_limitsR� R� Rh R� Ro R� ( R/ RD ( ( R/ sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt add_line� s
c C sV | j � } | j j d k rR | j j | | j d | j d | j �t | _ n d S( Ni t updatext updatey( t get_patht verticesR
R� t update_from_pathR t x_isdatat y_isdataR
( R/ RD t p( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s
c se � j | � | j � d k r2 | j � j � n � j | � � j j | � � f d � | _ | S( s
Add a :class:`~matplotlib.patches.Patch` *p* to the list of
axes patches; the clipbox will be set to the Axes clipping
box. If the transform is not set, it will be set to
:attr:`transData`.
Returns the patch.
c s � j j | � S( N( R' R� ( R} ( R/ ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s N( R R� R R< R6 t _update_patch_limitsR' Ro R� ( R/ R� ( ( R/ sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt add_patch� s
c C s� t | t j � r0 | j � s, | j � r0 d S| j � j } | j d k r� | j � j | � } | j
� | j k r� | j
� | j j � } | j | � } n | j
| d | j d | j �n d S( s$ update the data limits for patch *p*Ni R� R� ( R� Rc R t get_widtht
get_heightR� R� R
t get_patch_transformt transformt get_data_transformR� t invertedR� R� R� ( R/ R6 R� t xysR� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s c sC � j | � � j j | � | j � j � � f d � | _ | S( s�
Add a :class:`~matplotlib.tables.Table` instance to the
list of axes tables
Returns the table.
c s � j j | � S( N( R) R� ( R} ( R/ ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s ( R R) Ro R< R6 R� ( R/ t tab( ( R/ sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt add_table� s
c C s_ | j j t � t | _ x | j D] } | j | � q# Wx | j D] } | j | � qD Wd S( s�
Recompute the data limits based on current artists.
At present, :class:`~matplotlib.collections.Collection`
instances are not supported.
N( R� t ignoreR R R� R� R' R� ( R/ RD R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s c C sm t | � r t | � r d St j | � s> t j | � } n | j j | | j d | d | �t | _ d S( s@ Update the data lim bbox with seq of xy tups or equiv. 2-D arrayNR� R� (
t iterableRh R t
isMaskedArrayRO t asarrayR� t update_from_data_xyR R
( R/ R� R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s
c C sC t | � r t | � r d S| j j | | | j � t | _ d S( s, Update the data lim bbox with seq of xy tupsN( R� Rh R� t update_from_dataR R
( R/ RT RU ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt update_datalim_numerix� s c C s) | j j t j j | j | g � � d S( so
Update the datalim to include the given
:class:`~matplotlib.transforms.Bbox` *bounds*
N( R� R� R� R� t union( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt update_datalim_bounds� s c C sO | j d k s | j d k r" d S| d k rS | j j � sS | j j | � qS n | d k r� | j j � s� | j j | � q� n | d k rK| j d | j j � } | | j j k r� | j j | � | d k r� | j j | � q� n | j d | j j � } | | j j k rK| j j | � | d k rH| j j | � qHqKn d S( sA look for unit *kwargs* and update the axis instances as necessaryNR4 R5 ( R6 R R7 t
have_unitsRL R8 R9 R: ( R/ t xdatat ydataR= R4 R5 ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt _process_unit_info s& c C s | j j | � d S( sd
return *True* if the given *mouseevent* (in display coords)
is in the Axes
i ( R6 t contains( R/ t
mouseevent( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt in_axes+ s c C s | j o | j S( sS
Get whether autoscaling is applied for both axes on plot commands
( R R ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_autoscale_on2 s c C s | j S( sT
Get whether autoscaling for the x-axis is applied on plot commands
( R ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_autoscalex_on8 s c C s | j S( sT
Get whether autoscaling for the y-axis is applied on plot commands
( R ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_autoscaley_on> s c C s | | _ | | _ d S( sl
Set whether autoscaling is applied on plot commands
accepts: [ *True* | *False* ]
N( R R ( R/ RH ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� D s c C s
| | _ d S( s{
Set whether autoscaling for the x-axis is applied on plot commands
accepts: [ *True* | *False* ]
N( R ( R/ RH ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_autoscalex_onM s c C s
| | _ d S( s{
Set whether autoscaling for the y-axis is applied on plot commands
accepts: [ *True* | *False* ]
N( R ( R/ RH ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_autoscaley_onU s c C s4 | d k s | d k r' t d � � n | | _ d S( s�
Set padding of X data limits prior to autoscaling.
*m* times the data interval will be added to each
end of that interval before it is used in autoscaling.
accepts: float in range 0 to 1
i i s margin must be in range 0 to 1N( R R! ( R/ t m( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_xmargin] s c C s4 | d k s | d k r' t d � � n | | _ d S( s�
Set padding of Y data limits prior to autoscaling.
*m* times the data interval will be added to each
end of that interval before it is used in autoscaling.
accepts: float in range 0 to 1
i i s margin must be in range 0 to 1N( R R" ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_ymarginj s c O s | r | r | j | j f S| j d t � } | j d d
� } | j d d
� } t | � d k rw | d } } n- t | � d k r� | \ } } n t d � � | d
k r� | j | � n | d
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Convenience method to set or retrieve autoscaling margins.
signatures::
margins()
returns xmargin, ymargin
::
margins(margin)
margins(xmargin, ymargin)
margins(x=xmargin, y=ymargin)
margins(..., tight=False)
All three forms above set the xmargin and ymargin parameters.
All keyword parameters are optional. A single argument
specifies both xmargin and ymargin. The *tight* parameter
is passed to :meth:`autoscale_view`, which is executed after
a margin is changed; the default here is *True*, on the
assumption that when margins are specified, no additional
padding to match tick marks is usually desired. Setting
*tight* to *None* will preserve the previous setting.
Specifying any margin changes only the autoscaling; for example,
if *xmargin* is not None, then *xmargin* times the X data
interval will be added to each end of that interval before
it is used in autoscaling.
R� RT RU i i i s% more than two arguments were suppliedt scalext scaleyN(
R! R" R8 R R Rh R R� R� R� ( R/ R< R\ R� t mxt myR� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt marginsx s" # c C s
| | _ d S( sI
Set zorder value below which artists will be rasterized
N( R� ( R/ t z( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_rasterization_zorder� s c C s | j S( sI
Get zorder value below which artists will be rasterized
( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_rasterization_zorder� s c C s� | d k r t } t } nZ t } t } | d k rN t | � | _ | j } n | d k ru t | � | _ | j } n | j d | d | d | � d S(
s�
Convenience method for simple axis view autoscaling.
It turns autoscaling on or off, and then,
if autoscaling for either axis is on, it performs
the autoscaling on the specified axis or axes.
*enable*: [True | False | None]
True (default) turns autoscaling on, False turns it off.
None leaves the autoscaling state unchanged.
*axis*: ['x' | 'y' | 'both']
which axis to operate on; default is 'both'
*tight*: [True | False | None]
If True, set view limits to data limits;
if False, let the locator and margins expand the view limits;
if None, use tight scaling if the only artist is an image,
otherwise treat *tight* as False.
The *tight* setting is retained for future autoscaling
until it is explicitly changed.
Returns None.
RT R� RU R� R� R� N( RT s both( RU s both( R R R
t boolR R R� ( R/ t enableR� R� R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt autoscale� s c C s� | d k rW | j pQ t | j � d k oQ t | j � d k oQ t | j � d k } n t | � } | _ | r�| j r�| j j | � } g | D] } | j
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rVt j | | d t d d �\ } } n X| j d k r�| | | j } | | 8} | | 7} n | s�| j | | � \ } } n | j | | � n d S( s
Autoscale the view limits using the data limits. You can
selectively autoscale only a single axis, eg, the xaxis by
setting *scaley* to *False*. The autoscaling preserves any
axis direction reversal that has already been done.
The data limits are not updated automatically when artist
data are changed after the artist has been added to an
Axes instance. In that case, use
:meth:`matplotlib.axes.Axes.relim`
prior to calling autoscale_view.
i t
increasingt expanderg�������?N( R R# Rh R+ R� R' R� R R� t get_siblingsR� R� R� R� t intervalxR6 t get_major_locatort nonsingularR� R
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� | j | j � | j | j � | j
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r�| j r�| j | j j � � n g | D]! } | j � s�| j | f ^ q�} t | j � d k s | j � rS| j g | j D] } | j | f ^ q.� t } n t } | j d t! d � � | j" }
t | � d k r�| d d |
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D]$ \ } } | j' | � d d f ^ q�} | j( j) \ } } } } | t* | � d t* | � d } | t* | � d t* | � d } t+ j, | | | � } t | _- | j( j. \ } } } } | j/ � } | j0 | j( � | j1 t2 j3 | j$ j4 � | j$ j5 � � � | j6 | t* | � t* | � | � | j7 � n | r�x! | D] \ } } | j% | � q�W| j8 � n x! | D] \ } } | j% | � q�W| j9 d � | | _ d S(
s* Draw everything (plot lines, axes, labels)s No renderer definedNR, g �?g @i RE i c S s | d S( Ni ( ( RT ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� y s (: R R� t RuntimeErrort get_visiblet
open_groupR� R� t extendR. R' R� R( R* R; R� R6 t
set_zorderR7 Ro R4 R) R- R� R� t
itervaluest get_animatedt zorderRh R+ t option_image_nocompositeR
R t sortR R� t start_rasterizingR6 t drawt get_image_magnificationt
make_imageR� t extentst roundt mimaget from_imagest is_grayscaleR� t new_gct set_clip_rectangleR< R� t TransformedPathR� R� t
draw_imaget restoret stop_rasterizingt close_group( R/ t renderert inframeR� R� R* R� t dsuR� t
_do_compositet rasterization_zorderR{ t dsu_rasterizedt
zorder_imagest magR� t imsRH t rt tRn Ro R| R} t gcR ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR % s�
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),! 1"" "
c C s | j | j � d S( s�
This method can only be used after an initial draw which
caches the renderer. It is used to efficiently update Axes
data (axis ticks, labels, etc are not updated)
N( R R� ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt draw_artist� s c C s | j | j d t �d S( s�
This method can only be used after an initial draw which
caches the renderer. It is used to efficiently update Axes
data (axis ticks, labels, etc are not updated)
R" N( R R� R ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt redraw_in_frame� s c C s | j S( N( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_renderer_cache� s c C s� | j d k r t d � � n g | j j � D] } | j | f ^ q. } | j d d � � | j } | j � x! | D] \ } } | j | � qv Wd S( Ns You must first call ax.draw()RE c S s | d S( Ni ( ( RT ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s ( t
_lastRendererR R t animatedRV R R t blitR ( R/ R� R# R! t tmp( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt __draw_animate� s +
c C s | j S( s?
Get whether the axes rectangle patch is drawn
( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_frame_on� s c C s
| | _ d S( sf
Set whether the axes rectangle patch is drawn
ACCEPTS: [ *True* | *False* ]
N( R� ( R/ RH ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_frame_on� s c C s | j S( s7
Get whether axis below is true or not
( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
get_axisbelow� s c C s
| | _ d S( s�
Set whether the axis ticks and gridlines are above or below most artists
ACCEPTS: [ *True* | *False* ]
N( R� ( R/ RH ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
set_axisbelow� s R c K sW t | � r t } n t | � } | j j | d | | �| j j | d | | �d S( s�
call signature::
grid(self, b=None, which='major', **kwargs)
Set the axes grids on or off; *b* is a boolean. (For MATLAB
compatibility, *b* may also be a string, 'on' or 'off'.)
If *b* is *None* and ``len(kwargs)==0``, toggle the grid state. If
*kwargs* are supplied, it is assumed that you want a grid and *b*
is thus set to *True*.
*which* can be 'major' (default), 'minor', or 'both' to control
whether major tick grids, minor tick grids, or both are affected.
*kawrgs* are used to set the grid line properties, eg::
ax.grid(color='r', linestyle='-', linewidth=2)
Valid :class:`~matplotlib.lines.Line2D` kwargs are
%(Line2D)s
R� N( Rh R R
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c
K s� | j d d � j � } | j d d � } | j d d � } | j d d � j � } | d k r� y | \ } } | | d Wq� t t f k
r� t d � � q� Xn | d d
k r� t } nW | d k r� t } | d k r� t } qt } t d
� n | d k r d } n t d � yW| d k r�| d k s<| d k rU| j j j
j | � n | d k sm| d k r�| j j j
j | � q�n | d k r�| d k s�| d k r�| j j j
j
| � n | d k s�| d k r�| j j j
j
| � q�n | d k rk| d k s | d k r7| j j j
j | � n | d k sO| d k rk| j j j
j | � qkn Wn t k
r�t d � � n Xd S( sw
Convenience method for manipulating the ScalarFormatter
used by default for linear axes.
Optional keyword arguments:
============ =========================================
Keyword Description
============ =========================================
*style* [ 'sci' (or 'scientific') | 'plain' ]
plain turns off scientific notation
*scilimits* (m, n), pair of integers; if *style*
is 'sci', scientific notation will
be used for numbers outside the range
10`-m`:sup: to 10`n`:sup:.
Use (0,0) to include all numbers.
*useOffset* [True | False | offset]; if True,
the offset will be calculated as needed;
if False, no offset will be used; if a
numeric offset is specified, it will be
used.
*axis* [ 'x' | 'y' | 'both' ]
============ =========================================
Only the major ticks are affected.
If the method is called when the
:class:`~matplotlib.ticker.ScalarFormatter` is not the
:class:`~matplotlib.ticker.Formatter` being used, an
:exc:`AttributeError` will be raised.
t styleR t scilimitst useOffsetR� R� i s* scilimits must be a sequence of 2 integersi t scit plaint commas comma style remains to be addeds %s is not a valid style valueRT RU s0 This method only works with the ScalarFormatter.N( R= R> ( R8 R� R R RB R R
t NotImplementedErrorR6 R t formattert set_scientificR7 t set_powerlimitst
set_useOffsetR� (
R/ R= R9 R: R; R� R� t nt sbt cb( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt ticklabel_format� sP
c K sv | d k } | d k } | r7 | j j � j | � n | rV | j j � j | � n | j d | d | d | � d S(
s�
Convenience method for controlling tick locators.
Keyword arguments:
*axis*
['x' | 'y' | 'both'] Axis on which to operate;
default is 'both'.
*tight*
[True | False | None] Parameter passed to :meth:`autoscale_view`.
Default is None, for no change.
Remaining keyword arguments are passed to directly to the
:meth:`~matplotlib.ticker.MaxNLocator.set_params` method.
Typically one might want to reduce the maximum number
of ticks and use tight bounds when plotting small
subplots, for example::
ax.locator_params(tight=True, nbins=4)
Because the locator is involved in autoscaling,
:meth:`autoscale_view` is called automatically after
the parameters are changed.
This presently works only for the
:class:`~matplotlib.ticker.MaxNLocator` used
by default on linear axes, but it may be generalized.
RT R� RU R� R� R� N( RT s both( RU s both( R6 R� t
set_paramsR7 R� ( R/ R� R� R= t _xt _y( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt locator_paramsG s c K s� | d
k rk t | � } | j d d � | j d d � | j d d � | j d d � | j j | � n | d k r� t | � } | j d d � | j d d � | j d
d � | j d d � | j j | � n d S( s�
Convenience method for changing the appearance of ticks and
tick labels.
Keyword arguments:
*axis*
['x' | 'y' | 'both'] Axis on which to operate;
default is 'both'.
*reset*
[True | False] If *True*, set all parameters to defaults
before processing other keyword arguments. Default is
*False*.
*which*
['major' | 'minor' | 'both'] Default is 'major': apply
arguments to major ticks only.
*direction*
['in' | 'out'] Puts ticks inside or outside the axes.
*length*
Tick length in points.
*width*
Tick width in points.
*color*
Tick color; accepts any mpl color spec.
*pad*
Distance in points between tick and label.
*labelsize*
Tick label font size in points or as a string (e.g. 'large').
*labelcolor*
Tick label color; mpl color spec.
*colors*
Changes the tick color and the label color to the same value:
mpl color spec.
*zorder*
Tick and label zorder.
*bottom*, *top*, *left*, *right*
Boolean or ['on' | 'off'], controls whether to draw the
respective ticks.
*labelbottom*, *labeltop*, *labelleft*, *labelright*
Boolean or ['on' | 'off'], controls whether to draw the
respective tick labels.
Example::
ax.tick_params(direction='out', length=6, width=2, colors='r')
This will make all major ticks be red, pointing out of the box,
and with dimensions 6 points by 2 points. Tick labels will
also be red.
RT R� R� R� t labelleftt
labelrightRU R� R� t labeltopt labelbottomN( RT s both( RU s both( t dictR8 R R6 t set_tick_paramsR7 ( R/ R� R= t xkwt ykw( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt tick_paramsn s A c C s
t | _ d S( s turn off the axisN( R
R; ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s c C s
t | _ d S( s turn on the axisN( R R; ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s c C s | j S( s Return the axis background color( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_axis_bgcolor� s c C s | | _ | j j | � d S( s�
set the axes background color
ACCEPTS: any matplotlib color - see
:func:`~matplotlib.pyplot.colors`
N( R� R6 R8 ( R/ R ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_axis_bgcolor� s c C s& | j � \ } } | j | | � d S( s Invert the x-axis.N( R R ( R/ R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt invert_xaxis� s c C s | j � \ } } | | k S( s' Returns True if the x-axis is inverted.( R ( R/ R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt xaxis_inverted� s c C s6 | j � \ } } | | k r( | | f S| | f Sd S( sa
Returns the x-axis numerical bounds where::
lowerBound < upperBound
N( R ( R/ R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyRX � s
c C s� | d k r' t | � r' | \ } } n | j � \ } } | d k rN | } n | d k rc | } n | j � r� | | k r� | j | | d d �q� | j | | d d �n; | | k r� | j | | d d �n | j | | d d �d S( s�
Set the lower and upper numerical bounds of the x-axis.
This method will honor axes inversion regardless of parameter order.
It will not change the _autoscaleXon attribute.
R� N( R R� RX RX R ( R/ R� t uppert old_lowert old_upper( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyRq � s c C s t | j j � S( s8
Get the x-axis range [*left*, *right*]
( R~ R� R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR s c K sO d | k r | j d � } n d | k r< | j d � } n | r[ t d | j � � � n | d k r� t | � r� | \ } } n | j d | | f � | d k r� | j | � } n | d k r� | j | � } n | j � \ } } | d k r� | } n | d k r| } n | | k r>t j d d d | | f � n t
j | | d t �\ } } | j
j | | � \ } } | | f | j _ | d k r�t | � | _ n | rE| j j d | � x� | j j | � D]k } | | k r�| j | j j d
t d | �| j | j k r>| j j d k r>| j j j � q>q�q�Wn | | f S(
s�
call signature::
set_xlim(self, *args, **kwargs):
Set the data limits for the xaxis
Examples::
set_xlim((left, right))
set_xlim(left, right)
set_xlim(left=1) # right unchanged
set_xlim(right=1) # left unchanged
Keyword arguments:
*left*: scalar
the left xlim; *xmin*, the previous name, may still be used
*right*: scalar
the right xlim; *xmax*, the previous name, may still be used
*emit*: [ True | False ]
notify observers of lim change
*auto*: [ True | False | None ]
turn *x* autoscaling on (True), off (False; default),
or leave unchanged (None)
Note: the *left* (formerly *xmin*) value may be greater than
the *right* (formerly *xmax*).
For example, suppose *x* is years before present.
Then one might use::
set_ylim(5000, 0)
so 5000 years ago is on the left of the plot and the
present is on the right.
Returns the current xlimits as a length 2 tuple
ACCEPTS: len(2) sequence of floats
R\ R] s unrecognized kwargs: %sR� s0 Attempting to set identical left==right results
s6 in singular transformations; automatically expanding.
s left=%s, right=%sR� R R R� N( R8 R RV R R� R� RM R R% R& R� R� R
R6 t limit_range_for_scaleR� R� R� R R� t processR� R� R R� t canvast draw_idle( R/ R� R� R R� R\ t old_leftt old_rightt other( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR
sH )
c C s$ d d j t j � � | j j � S( Ns! return the xaxis scale string: %ss , ( R� R� R� R6 R ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyRg b s c K s1 | j j | | � | j d t � | j � d S( s�
call signature::
set_xscale(value)
Set the scaling of the x-axis: %(scale)s
ACCEPTS: [%(scale)s]
Different kwargs are accepted, depending on the scale:
%(scale_docs)s
R� N( R6 R R� R
R� ( R/ t valueR= ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� g s c C s | j j d | � S( s) Return the x ticks as a list of locationsR ( R6 t get_ticklocs( R/ R ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
get_xticksy s c C s | j j | d | �S( s[
Set the x ticks with list of *ticks*
ACCEPTS: sequence of floats
R ( R6 t set_ticks( R/ t ticksR ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
set_xticks} s c C s t j d | j j � � S( s0 Get the xtick labels as a list of Text instancess Text xticklabel( R R� R6 t get_majorticklabels( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_xmajorticklabels� s c C s t j d | j j � � S( s0 Get the xtick labels as a list of Text instancess Text xticklabel( R R� R6 t get_minorticklabels( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_xminorticklabels� s c C s t j d | j j d | � � S( s0 Get the xtick labels as a list of Text instancess Text xticklabelR ( R R� R6 t get_ticklabels( R/ R ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_xticklabels� s c K s | j j | | d | | �S( so
call signature::
set_xticklabels(labels, fontdict=None, minor=False, **kwargs)
Set the xtick labels with list of strings *labels*. Return a
list of axis text instances.
*kwargs* set the :class:`~matplotlib.text.Text` properties.
Valid properties are
%(Text)s
ACCEPTS: sequence of strings
R ( R6 t set_ticklabels( R/ t labelst fontdictR R= ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_xticklabels� s c C s& | j � \ } } | j | | � d S( s Invert the y-axis.N( R R ( R/ R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt invert_yaxis� s c C s | j � \ } } | | k S( s' Returns True if the y-axis is inverted.( R ( R/ R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt yaxis_inverted� s c C s6 | j � \ } } | | k r( | | f S| | f Sd S( sE Return y-axis numerical bounds in the form of lowerBound < upperBoundN( R ( R/ R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyRY � s
c C s� | d k r' t | � r' | \ } } n | j � \ } } | d k rN | } n | d k rc | } n | j � r� | | k r� | j | | d d �q� | j | | d d �n; | | k r� | j | | d d �n | j | | d d �d S( s� Set the lower and upper numerical bounds of the y-axis.
This method will honor axes inversion regardless of parameter order.
It will not change the _autoscaleYon attribute.
R� N( R R� RY Rt R ( R/ R� RY RZ R[ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyRp � s c C s t | j j � S( s8
Get the y-axis range [*bottom*, *top*]
( R~ R� R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR � s c K s9 d | k r | j d � } n d | k r< | j d � } n | r[ t d | j � � � n | d k r� t | � r� | \ } } n | d k r� | j | � } n | d k r� | j | � } n | j � \ } } | d k r� | } n | d k r� | } n | | k r(t j d d d | | f � n t j
| | d t �\ } } | j j
| | � \ } } | | f | j _ | d k r�t | � | _ n | r/| j j d | � x� | j j | � D]k } | | k r�| j | j j d t d
| �| j | j k r(| j j d k r(| j j j � q(q�q�Wn | | f S( s�
call signature::
set_ylim(self, *args, **kwargs):
Set the data limits for the yaxis
Examples::
set_ylim((bottom, top))
set_ylim(bottom, top)
set_ylim(bottom=1) # top unchanged
set_ylim(top=1) # bottom unchanged
Keyword arguments:
*bottom*: scalar
the bottom ylim; the previous name, *ymin*, may still be used
*top*: scalar
the top ylim; the previous name, *ymax*, may still be used
*emit*: [ True | False ]
notify observers of lim change
*auto*: [ True | False | None ]
turn *y* autoscaling on (True), off (False; default),
or leave unchanged (None)
Note: the *bottom* (formerly *ymin*) value may be greater than
the *top* (formerly *ymax*).
For example, suppose *y* is depth in the ocean.
Then one might use::
set_ylim(5000, 0)
so 5000 m depth is at the bottom of the plot and the
surface, 0 m, is at the top.
Returns the current ylimits as a length 2 tuple
ACCEPTS: len(2) sequence of floats
R^ R_ s unrecognized kwargs: %ss0 Attempting to set identical bottom==top results
s6 in singular transformations; automatically expanding.
s bottom=%s, top=%sR� R
R R� N( R8 R RV R R� RN R R% R& R� R� R
R7 R\ R� R� R� R R� R] R� R� R R� R^ R_ ( R/ R� R� R R� R\ t
old_bottomt old_topRb ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR � sF )
c C s$ d d j t j � � | j j � S( Ns! return the xaxis scale string: %ss , ( R� R� R� R7 R ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyRh -
s c K s1 | j j | | � | j d t � | j � d S( s�
call signature::
set_yscale(value)
Set the scaling of the y-axis: %(scale)s
ACCEPTS: [%(scale)s]
Different kwargs are accepted, depending on the scale:
%(scale_docs)s
R� N( R7 R R� R
R� ( R/ Rc R= ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� 2
s c C s | j j d | � S( s) Return the y ticks as a list of locationsR ( R7 Rd ( R/ R ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
get_yticksD
s c C s | j j | d | �S( s�
Set the y ticks with list of *ticks*
ACCEPTS: sequence of floats
Keyword arguments:
*minor*: [ False | True ]
Sets the minor ticks if True
R ( R7 Rf ( R/ Rg R ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
set_yticksH
s c C s t j d | j j � � S( s0 Get the xtick labels as a list of Text instancess Text yticklabel( R R� R7 Ri ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_ymajorticklabelsU
s c C s t j d | j j � � S( s0 Get the xtick labels as a list of Text instancess Text yticklabel( R R� R7 Rk ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_yminorticklabelsZ
s c C s t j d | j j d | � � S( s0 Get the xtick labels as a list of Text instancess Text yticklabelR ( R R� R7 Rm ( R/ R ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_yticklabels_
s c K s | j j | | d | | �S( s�
call signature::
set_yticklabels(labels, fontdict=None, minor=False, **kwargs)
Set the ytick labels with list of strings *labels*. Return a list of
:class:`~matplotlib.text.Text` instances.
*kwargs* set :class:`~matplotlib.text.Text` properties for the labels.
Valid properties are
%(Text)s
ACCEPTS: sequence of strings
R ( R7 Ro ( R/ Rp Rq R R= ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_yticklabelsd
s c C s | j j | � d S( s� Sets up x-axis ticks and labels that treat the x data as dates.
*tz* is a timezone string or :class:`tzinfo` instance.
Defaults to rc value.
N( R6 t axis_date( R/ t tz( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
xaxis_datew
s c C s | j j | � d S( s� Sets up y-axis ticks and labels that treat the y data as dates.
*tz* is a timezone string or :class:`tzinfo` instance.
Defaults to rc value.
N( R7 R} ( R/ R~ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
yaxis_date�
s c C sH y | j | � SWn0 t k
rC | j j � j } | | � } | SXd S( s�
Return *x* string formatted. This function will use the attribute
self.fmt_xdata if it is callable, else will fall back on the xaxis
major formatter
N( R� RB R6 t get_major_formattert format_data_short( R/ RT RH RF ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt format_xdata�
s
c C sH y | j | � SWn0 t k
rC | j j � j } | | � } | SXd S( s�
Return y string formatted. This function will use the
:attr:`fmt_ydata` attribute if it is callable, else will fall
back on the yaxis major formatter
N( R� RB R7 R� R� ( R/ RU RH RF ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt format_ydata�
s
c C sV | d k r d } n | j | � } | d k r9 d } n | j | � } d | | f S( s4 return a format string formatting the *x*, *y* coords ???s x=%s y=%sN( R R� R� ( R/ RT RU t xst ys( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt format_coord�
s c C s t S( sA
Return *True* if this axes support the zoom box
( R ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt can_zoom�
s c C s | j S( sF
Get whether the axes responds to navigation commands
( t _navigate( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_navigate�
s c C s
| | _ d S( sq
Set whether the axes responds to navigation toolbar commands
ACCEPTS: [ True | False ]
N( R� ( R/ RH ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� �
s c C s | j S( sR
Get the navigation toolbar button status: 'PAN', 'ZOOM', or None
( t _navigate_mode( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_navigate_mode�
s c C s
| | _ d S( s
Set the navigation toolbar button status;
.. warning::
this is not a user-API function.
N( R� ( R/ RH ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� �
s c
C sa t j d | j j � d | j j � d | j j � j � d | j j � d | d | � | _ d S( s0
Called when a pan operation has started.
*x*, *y* are the mouse coordinates in display coords.
button is the mouse button number:
* 1: LEFT
* 2: MIDDLE
* 3: RIGHT
.. note::
Intended to be overridden by new projection types.
t limt transt
trans_inverseR� RT RU N( R t BunchR� R� R� R� R� t
_pan_start( R/ RT RU t button( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt start_pan�
s c C s
| ` d S( s�
Called when a pan operation completes (when the mouse button
is up.)
.. note::
Intended to be overridden by new projection types.
N( R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt end_pan�
s c C s� d � } | j } | | j } | | j } | d k rH | d k rH d S| d k r� | | | | � \ } } | j j | | � j | j � } n| d k r�y� | t | j j � } | t | j j � } | | | | � \ } } | j
� d k rd | | } | } n t j d | | f � }
t j
| j | j g � } | j j | j � } | |
| | }
t j |
� j | j � } Wq�t k
r�t j d � d SXn | j | j � | j | j � d S(
s^
Called when the mouse moves during a pan operation.
*button* is the mouse button number:
* 1: LEFT
* 2: MIDDLE
* 3: RIGHT
*key* is a "shift" key
*x*, *y* are the mouse coordinates in display coords.
.. note::
Intended to be overridden by new projection types.
c S s | d k r6 t | � t | � k r- | } q| } n� | d k rK d } n� | d k r` d } n� | d k rd t | � t | � k r� d } qd t | � t | � k r� d } qt | � t | � k r� | t | � t | � } q| t | � t | � } n | | f S( Nt controlRT i RU t shifti ( Rm ( RE t dxt dy( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
format_deltas s" i Ni i R� g �?g $@s Overflow while panning( R� RT RU R� t
translatedt transformedR� Rk Rn Ro RK RO t powert arrayR� R� R� R� t
OverflowErrorR% R& R R� R R� ( R/ R� RE RT RU R� R� R� R� t resultt alphat startt oldpointst newpoints( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt drag_pan�
s:
c C s | j S( s�
return the cursor propertiess as a (*linewidth*, *color*)
tuple, where *linewidth* is a float and *color* is an RGBA
tuple
( t _cursorProps( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_cursor_props9 s c G sw t | � d k r% | d \ } } n- t | � d k rF | \ } } n t d � � t j j | � } | | f | _ d S( s�
Set the cursor property as::
ax.set_cursor_props(linewidth, color)
or::
ax.set_cursor_props((linewidth, color))
ACCEPTS: a (*float*, *color*) tuple
i i i s' args must be a (linewidth, color) tupleN( Rh R R R t to_rgbaR� ( R/ R< t lwR" ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� A s c C s t d � � d S( s�
Register observers to be notified when certain events occur. Register
with callback functions with the following signatures. The function
has the following signature::
func(ax) # where ax is the instance making the callback.
The following events can be connected to:
'xlim_changed','ylim_changed'
The connection id is is returned - you can use this with
disconnect to disconnect from the axes event
s3 use the callbacks CallbackRegistry instance insteadN( R' ( R/ R RH ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� V s c C s t d � � d S( s disconnect from the Axes event.s3 use the callbacks CallbackRegistry instance insteadN( R' ( R/ t cid( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
disconnecti s c C s� g } | j | j � | j | j � | j | j � | j | j � | j | j � | j | j � | j | j � | j | j � | j
d k r� | j | j
� n | j | j � | j | j
� | j | j � | j | j j � � | S( s return a list of child artistsN( Ro R6 R7 R
R� R' R( R) R* R+ R- R R. R4 R6 R� R ( R/ t children( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_childrenn s c C s/ t | j � r | j | | � S| j j | � S( sS Test whether the mouse event occured in the axes.
Returns T/F, {}
( t callablet _containsR6 R� ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s c C s | j j | � S( s�
Returns True if the point (tuple of x,y) is inside the axes
(the area defined by the its patch). A pixel coordinate is
required.
( R6 t contains_point( R/ t point( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s c G s< t | � d k r! t d � � n t j j | | d � d S( s�
call signature::
pick(mouseevent)
each child artist will fire a pick event if mouseevent is over
the artist and the artist has picker set
i sC New pick API implemented -- see API_CHANGES in the src distributioni N( Rh R' R� R� t pick( R/ R< ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s c sH | d k r$ | j | | f � � n | | f � d � } d � � � � f d � } | j | j | j } t | � r� t t | � } nt t | � r� t g | D] } | d f ^ q� � } g | D] }
|
| k r� |
^ q� } n | d k r� n t
d � � t | � s
d Sg | D] }
| |
� |
f ^ q} | j � | d d S( s3
Return the artist under point that is closest to the *x*, *y*.
If *trans* is *None*, *x*, and *y* are in window coords,
(0,0 = lower left). Otherwise, *trans* is a
:class:`~matplotlib.transforms.Transform` that specifies the
coordinate system of *x*, *y*.
The selection of artists from amongst which the pick function
finds an artist can be narrowed using the optional keyword
argument *among*. If provided, this should be either a sequence
of permitted artists or a function taking an artist as its
argument and returning a true value if and only if that artist
can be selected.
Note this algorithm calculates distance to the vertices of the
polygon, so if you want to pick a patch, click on the edge!
c S s9 | \ } } | \ } } t j | | d | | d � S( s& return the distance between two pointsi ( RZ t sqrt( t p1t p2RA RC t x2t y2( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt dist_points� s c S s3 | \ } } t t j | | d | | d � � S( s@ *x* and *y* are arrays; return the distance to the closest pointi ( t minRO R� ( R� RT RU RA RC ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt dist_x_y� s c
s= t | t � r | j � } | j \ } } } } | | f | | | f | | | | f | | | f f } t | � \ } } n� t | t � r� | j � } | j � j | � }
t |
� \ } } nW t | t j
� r| j d t � } | j
d t � } | j � j | | � \ } } n � � t j | � t j | � � S( Nt orig( R� R3 R� R� Ri t PatchR� R� t transform_pathR R[ t get_xdataR
t get_ydatat numerix_x_yRO R� (
R� R� R{ RH R| R} t vertst xtt ytt patht tvertsR� R� ( R� t xywin( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt dist� s : !i s" among must be callable or iterablei N(
R t transform_pointR� R' R( R� t filtert testR� RP R Rh R ( R/ RT RU R� t amongR� R� R* Rq t amongdR� t ds( ( R� R� sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt __pick� s( %( %
c C s
| j j � S( s,
Get the title text string.
( R4 t get_text( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_title� s c K su i t d d 6d d 6d d 6} | j j | � | j j | � | d k r^ | j j | � n | j j | � | j S( sD
call signature::
set_title(label, fontdict=None, **kwargs):
Set the title for the axes.
kwargs are Text properties:
%(Text)s
ACCEPTS: str
.. seealso::
:meth:`text`
for information on how override and the optional args work
s axes.titlesizet fontsizeR R R� R N( R R4 t set_textt updateR ( R/ R� Rq R= t default( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt set_title� s
c C s | j j � } | j � S( s-
Get the xlabel text string.
( R6 R� R� ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
get_xlabel s c K s1 | d k r | | j _ n | j j | | | � S( s�
call signature::
set_xlabel(xlabel, fontdict=None, labelpad=None, **kwargs)
Set the label for the xaxis.
*labelpad* is the spacing in points between the label and the x-axis
Valid kwargs are Text properties:
%(Text)s
ACCEPTS: str
.. seealso::
:meth:`text`
for information on how override and the optional args work
N( R R6 t labelpadt set_label_text( R/ t xlabelRq R� R= ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
set_xlabel s c C s | j j � } | j � S( s-
Get the ylabel text string.
( R7 R� R� ( R/ R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
get_ylabel) s c K s1 | d k r | | j _ n | j j | | | � S( s�
call signature::
set_ylabel(ylabel, fontdict=None, labelpad=None, **kwargs)
Set the label for the yaxis
*labelpad* is the spacing in points between the label and the y-axis
Valid kwargs are Text properties:
%(Text)s
ACCEPTS: str
.. seealso::
:meth:`text`
for information on how override and the optional args work
N( R R7 R� R� ( R/ t ylabelRq R� R= ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
set_ylabel0 s c s� i d d 6d d 6� j d 6} | rE t j d | d | d | � } n t j d | d | d | � } � j | � | j | � | d k r� | j | � n | j | � � j j | � � f d � | _ d
| k r� | j
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call signature::
text(x, y, s, fontdict=None, **kwargs)
Add text in string *s* to axis at location *x*, *y*, data
coordinates.
Keyword arguments:
*fontdict*:
A dictionary to override the default text properties.
If *fontdict* is *None*, the defaults are determined by your rc
parameters.
*withdash*: [ False | True ]
Creates a :class:`~matplotlib.text.TextWithDash` instance
instead of a :class:`~matplotlib.text.Text` instance.
Individual keyword arguments can be used to override any given
parameter::
text(x, y, s, fontsize=12)
The default transform specifies that text is in data coords,
alternatively, you can specify text in axis coords (0,0 is
lower-left and 1,1 is upper-right). The example below places
text in the center of the axes::
text(0.5, 0.5,'matplotlib',
horizontalalignment='center',
verticalalignment='center',
transform = ax.transAxes)
You can put a rectangular box around the text instance (eg. to
set a background color) by using the keyword *bbox*. *bbox* is
a dictionary of :class:`matplotlib.patches.Rectangle`
properties. For example::
text(x, y, s, bbox=dict(facecolor='red', alpha=0.5))
Valid kwargs are :class:`matplotlib.text.Text` properties:
%(Text)s
R R R� R R� RT RU R c s � j j | � S( N( R( R� ( R} ( R/ ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s t clip_onN( R� R2 t TextWithDashR3 R R� R R( Ro R� R5 R� ( R/ RT RU R Rq t withdashR= R� R+ ( ( R/ sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR G s& 0
c sz t j | | � } | j t j � � � j | � | j d � rT | j � j � n � j j
| � � f d � | _ | S( s
call signature::
annotate(s, xy, xytext=None, xycoords='data',
textcoords='data', arrowprops=None, **kwargs)
Keyword arguments:
%(Annotation)s
.. plot:: mpl_examples/pylab_examples/annotation_demo2.py
R� c s � j j | � S( N( R( R� ( R} ( R/ ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s ( R2 t
AnnotationR� R� R� R t has_keyR< R6 R( Ro R� ( R/ R< R= R� ( ( R/ sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt annotate� s
i i c K s� d | k r t d d � � n | j � \ } } | j d | d | � | j | � } | | k pk | | k } t j | j | j � } t j | | g | | g d | | �}
t
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call signature::
axhline(y=0, xmin=0, xmax=1, **kwargs)
Axis Horizontal Line
Draw a horizontal line at *y* from *xmin* to *xmax*. With the
default values of *xmin* = 0 and *xmax* = 1, this line will
always span the horizontal extent of the axes, regardless of
the xlim settings, even if you change them, eg. with the
:meth:`set_xlim` command. That is, the horizontal extent is
in axes coords: 0=left, 0.5=middle, 1.0=right but the *y*
location is in data coordinates.
Return value is the :class:`~matplotlib.lines.Line2D`
instance. kwargs are the same as kwargs to plot, and can be
used to control the line properties. Eg.,
* draw a thick red hline at *y* = 0 that spans the xrange
>>> axhline(linewidth=4, color='r')
* draw a default hline at *y* = 1 that spans the xrange
>>> axhline(y=1)
* draw a default hline at *y* = .5 that spans the the middle half of
the xrange
>>> axhline(y=.5, xmin=0.25, xmax=0.75)
Valid kwargs are :class:`~matplotlib.lines.Line2D` properties,
with the exception of 'transform':
%(Line2D)s
.. seealso::
:meth:`axhspan`
for example plot and source code
R� s& 'transform' is not allowed as a kwarg;s$ axhline generates its own transform.R� R= R� R� ( R RY R� RN R� R� R� R� R R[ R
R� R� R� ( R/ RU R\ R] R= R^ R_ t yyR� R� R{ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt axhline� s -
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c K s� d | k r t d d � � n | j � \ } } | j d | d | � | j | � } | | k pk | | k } t j | j | j � } t j | | g | | g d | | �}
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call signature::
axvline(x=0, ymin=0, ymax=1, **kwargs)
Axis Vertical Line
Draw a vertical line at *x* from *ymin* to *ymax*. With the
default values of *ymin* = 0 and *ymax* = 1, this line will
always span the vertical extent of the axes, regardless of the
ylim settings, even if you change them, eg. with the
:meth:`set_ylim` command. That is, the vertical extent is in
axes coords: 0=bottom, 0.5=middle, 1.0=top but the *x* location
is in data coordinates.
Return value is the :class:`~matplotlib.lines.Line2D`
instance. kwargs are the same as kwargs to plot, and can be
used to control the line properties. Eg.,
* draw a thick red vline at *x* = 0 that spans the yrange
>>> axvline(linewidth=4, color='r')
* draw a default vline at *x* = 1 that spans the yrange
>>> axvline(x=1)
* draw a default vline at *x* = .5 that spans the the middle half of
the yrange
>>> axvline(x=.5, ymin=0.25, ymax=0.75)
Valid kwargs are :class:`~matplotlib.lines.Line2D` properties,
with the exception of 'transform':
%(Line2D)s
.. seealso::
:meth:`axhspan`
for example plot and source code
R� s& 'transform' is not allowed as a kwarg;s$ axvline generates its own transform.R� R= R� R� ( R RX R� RM R� R� R� R� R R[ R
R� R� R� ( R/ RT R^ R_ R= R\ R] t xxR� R� R{ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt axvline� s -
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| _ | j | � | j
d t
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call signature::
axhspan(ymin, ymax, xmin=0, xmax=1, **kwargs)
Axis Horizontal Span.
*y* coords are in data units and *x* coords are in axes (relative
0-1) units.
Draw a horizontal span (rectangle) from *ymin* to *ymax*.
With the default values of *xmin* = 0 and *xmax* = 1, this
always spans the xrange, regardless of the xlim settings, even
if you change them, eg. with the :meth:`set_xlim` command.
That is, the horizontal extent is in axes coords: 0=left,
0.5=middle, 1.0=right but the *y* location is in data
coordinates.
Return value is a :class:`matplotlib.patches.Polygon`
instance.
Examples:
* draw a gray rectangle from *y* = 0.25-0.75 that spans the
horizontal extent of the axes
>>> axhspan(0.25, 0.75, facecolor='0.5', alpha=0.5)
Valid kwargs are :class:`~matplotlib.patches.Polygon` properties:
%(Polygon)s
**Example:**
.. plot:: mpl_examples/pylab_examples/axhspan_demo.py
R= R� ( R� R� R� R� R� RM RN Rc Rd R� R
R� R� R� ( R/ R^ R_ R\ R] R= R� R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt axhspan2
s '"*
c K s� t j | j | j � } | j | | g | | g d | �| j | | g � \ } } | j | | g � \ } } | | f | | f | | f | | f g } t j | | � } | j | � t
| _ | j | � | j
d t
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call signature::
axvspan(xmin, xmax, ymin=0, ymax=1, **kwargs)
Axis Vertical Span.
*x* coords are in data units and *y* coords are in axes (relative
0-1) units.
Draw a vertical span (rectangle) from *xmin* to *xmax*. With
the default values of *ymin* = 0 and *ymax* = 1, this always
spans the yrange, regardless of the ylim settings, even if you
change them, eg. with the :meth:`set_ylim` command. That is,
the vertical extent is in axes coords: 0=bottom, 0.5=middle,
1.0=top but the *y* location is in data coordinates.
Return value is the :class:`matplotlib.patches.Polygon`
instance.
Examples:
* draw a vertical green translucent rectangle from x=1.25 to 1.55 that
spans the yrange of the axes
>>> axvspan(1.25, 1.55, facecolor='g', alpha=0.5)
Valid kwargs are :class:`~matplotlib.patches.Polygon`
properties:
%(Polygon)s
.. seealso::
:meth:`axhspan`
for example plot and source code
R= R� ( R� R� R� R� R� RM RN Rc Rd R� R
R� R� R� ( R/ R\ R] R^ R_ R= R� R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt axvspank
s '"*
Rq t solidc K sz | j d � d
k r$ t d � � n | j | | g | d | �| j | � } | j | � } | j | � } t | � s� | g } n t | � s� | g } n t | � s� | g } n t j | � } t j | � } t j | � } t | � d k r t j
| | j � } n t | � d k r6t j
| | j � } n t | � t | � k rZt d � n t | � t | � k r~t d � n g t
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t | j � | j � � } | j � } | j � } |
| f | | f f } | j | � | j � | S( s�
call signature::
hlines(y, xmin, xmax, colors='k', linestyles='solid', **kwargs)
Plot horizontal lines at each *y* from *xmin* to *xmax*.
Returns the :class:`~matplotlib.collections.LineCollection`
that was added.
Required arguments:
*y*:
a 1-D numpy array or iterable.
*xmin* and *xmax*:
can be scalars or ``len(x)`` numpy arrays. If they are
scalars, then the respective values are constant, else the
widths of the lines are determined by *xmin* and *xmax*.
Optional keyword arguments:
*colors*:
a line collections color argument, either a single color
or a ``len(y)`` list of colors
*linestyles*:
[ 'solid' | 'dashed' | 'dashdot' | 'dotted' ]
**Example:**
.. plot:: mpl_examples/pylab_examples/hline_demo.py
R s^ hlines now uses a collections.LineCollection and not a list of Line2D to draw; see API_CHANGESR= i s& xmin and y are unequal sized sequencess& xmax and y are unequal sized sequencesR t
linestylesR� N( Rl R R' R� RN RM R� RO R� Rh t resizeRQ R Ri t mcollt LineCollectionR� R� R� Rn R� R� ( R/ RU R\ R] R R� R� R= t thisxmint thisxmaxt thisyR� t collt minxt maxxt minyt maxyt corners( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt hlines�
sJ $ =
c K s� | j d � d k r$ t d � � n | j d | d | | g d | � | j | � } | j | � } | j | � } t | � s� | g } n t | � s� | g } n t | � s� | g } n t j | � } t j | � } t j | � } t | � d k rt j
| | j � } n t | � d k r<t j
| | j � } n t | � t | � k r`t d � n t | � t | � k r�t d � n t j
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S(
s
call signature::
vlines(x, ymin, ymax, color='k', linestyles='solid')
Plot vertical lines at each *x* from *ymin* to *ymax*. *ymin*
or *ymax* can be scalars or len(*x*) numpy arrays. If they are
scalars, then the respective values are constant, else the
heights of the lines are determined by *ymin* and *ymax*.
*colors*
a line collections color args, either a single color
or a len(*x*) list of colors
*linestyles*
one of [ 'solid' | 'dashed' | 'dashdot' | 'dotted' ]
Returns the :class:`matplotlib.collections.LineCollection`
that was added.
kwargs are :class:`~matplotlib.collections.LineCollection` properties:
%(LineCollection)s
R s^ vlines now uses a collections.LineCollection and not a list of Line2D to draw; see API_CHANGESR� R� R= i s& ymin and x are unequal sized sequencess& ymax and x are unequal sized sequencesR R� R� N( Rl R R' R� RM RN R� RO R� Rh R� RQ R R� t TRi R� R� R� R� R� Rn R� R� ( R/ RT R^ R_ R R� R� R= t Yt thisxt thisymint thisymaxR� R� R� R� R� R� R� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt vlines�
sL " =
c O s� | j d t � } | j d t � } | j s: | j � n g } x4 | j | | � D] } | j | � | j | � qS W| j d | d | � | S( s
Plot lines and/or markers to the
:class:`~matplotlib.axes.Axes`. *args* is a variable length
argument, allowing for multiple *x*, *y* pairs with an
optional format string. For example, each of the following is
legal::
plot(x, y) # plot x and y using default line style and color
plot(x, y, 'bo') # plot x and y using blue circle markers
plot(y) # plot y using x as index array 0..N-1
plot(y, 'r+') # ditto, but with red plusses
If *x* and/or *y* is 2-dimensional, then the corresponding columns
will be plotted.
An arbitrary number of *x*, *y*, *fmt* groups can be
specified, as in::
a.plot(x1, y1, 'g^', x2, y2, 'g-')
Return value is a list of lines that were added.
The following format string characters are accepted to control
the line style or marker:
================ ===============================
character description
================ ===============================
``'-'`` solid line style
``'--'`` dashed line style
``'-.'`` dash-dot line style
``':'`` dotted line style
``'.'`` point marker
``','`` pixel marker
``'o'`` circle marker
``'v'`` triangle_down marker
``'^'`` triangle_up marker
``'<'`` triangle_left marker
``'>'`` triangle_right marker
``'1'`` tri_down marker
``'2'`` tri_up marker
``'3'`` tri_left marker
``'4'`` tri_right marker
``'s'`` square marker
``'p'`` pentagon marker
``'*'`` star marker
``'h'`` hexagon1 marker
``'H'`` hexagon2 marker
``'+'`` plus marker
``'x'`` x marker
``'D'`` diamond marker
``'d'`` thin_diamond marker
``'|'`` vline marker
``'_'`` hline marker
================ ===============================
The following color abbreviations are supported:
========== ========
character color
========== ========
'b' blue
'g' green
'r' red
'c' cyan
'm' magenta
'y' yellow
'k' black
'w' white
========== ========
In addition, you can specify colors in many weird and
wonderful ways, including full names (``'green'``), hex
strings (``'#008000'``), RGB or RGBA tuples (``(0,1,0,1)``) or
grayscale intensities as a string (``'0.8'``). Of these, the
string specifications can be used in place of a ``fmt`` group,
but the tuple forms can be used only as ``kwargs``.
Line styles and colors are combined in a single format string, as in
``'bo'`` for blue circles.
The *kwargs* can be used to set line properties (any property that has
a ``set_*`` method). You can use this to set a line label (for auto
legends), linewidth, anitialising, marker face color, etc. Here is an
example::
plot([1,2,3], [1,2,3], 'go-', label='line 1', linewidth=2)
plot([1,2,3], [1,4,9], 'rs', label='line 2')
axis([0, 4, 0, 10])
legend()
If you make multiple lines with one plot command, the kwargs
apply to all those lines, e.g.::
plot(x1, y1, x2, y2, antialised=False)
Neither line will be antialiased.
You do not need to use format strings, which are just
abbreviations. All of the line properties can be controlled
by keyword arguments. For example, you can set the color,
marker, linestyle, and markercolor with::
plot(x, y, color='green', linestyle='dashed', marker='o',
markerfacecolor='blue', markersize=12). See
:class:`~matplotlib.lines.Line2D` for details.
The kwargs are :class:`~matplotlib.lines.Line2D` properties:
%(Line2D)s
kwargs *scalex* and *scaley*, if defined, are passed on to
:meth:`~matplotlib.axes.Axes.autoscale_view` to determine
whether the *x* and *y* axes are autoscaled; the default is
*True*.
R� R� ( R8 R R� R� R$ R� Ro R� ( R/ R< R= R� R� R� RD ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR+ L s w
t boc K sh | j s | j � n | j | | | | � } | rD | j | � n | rZ | j | � n | j � | S( sb
call signature::
plot_date(x, y, fmt='bo', tz=None, xdate=True, ydate=False, **kwargs)
Similar to the :func:`~matplotlib.pyplot.plot` command, except
the *x* or *y* (or both) data is considered to be dates, and the
axis is labeled accordingly.
*x* and/or *y* can be a sequence of dates represented as float
days since 0001-01-01 UTC.
Keyword arguments:
*fmt*: string
The plot format string.
*tz*: [ None | timezone string | :class:`tzinfo` instance]
The time zone to use in labeling dates. If *None*, defaults to rc
value.
*xdate*: [ True | False ]
If *True*, the *x*-axis will be labeled with dates.
*ydate*: [ False | True ]
If *True*, the *y*-axis will be labeled with dates.
Note if you are using custom date tickers and formatters, it
may be necessary to set the formatters/locators after the call
to :meth:`plot_date` since :meth:`plot_date` will set the
default tick locator to
:class:`matplotlib.dates.AutoDateLocator` (if the tick
locator is not already set to a
:class:`matplotlib.dates.DateLocator` instance) and the
default tick formatter to
:class:`matplotlib.dates.AutoDateFormatter` (if the tick
formatter is not already set to a
:class:`matplotlib.dates.DateFormatter` instance).
Valid kwargs are :class:`~matplotlib.lines.Line2D` properties:
%(Line2D)s
.. seealso::
:mod:`~matplotlib.dates`
for helper functions
:func:`~matplotlib.dates.date2num`,
:func:`~matplotlib.dates.num2date` and
:func:`~matplotlib.dates.drange`
for help on creating the required floating point
dates.
( R� R� R+ R R� R� ( R/ RT RU R R~ t xdatet ydateR= R> ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt plot_date� s :
c O s� | j s | j � n i | j d d � d 6| j d d
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� d 6| j d d � d 6} | j d | � | j d | � | j } t | _ | j | | � } | | _ | S( s�
call signature::
loglog(*args, **kwargs)
Make a plot with log scaling on the *x* and *y* axis.
:func:`~matplotlib.pyplot.loglog` supports all the keyword
arguments of :func:`~matplotlib.pyplot.plot` and
:meth:`matplotlib.axes.Axes.set_xscale` /
:meth:`matplotlib.axes.Axes.set_yscale`.
Notable keyword arguments:
*basex*/*basey*: scalar > 1
base of the *x*/*y* logarithm
*subsx*/*subsy*: [ None | sequence ]
the location of the minor *x*/*y* ticks; *None* defaults
to autosubs, which depend on the number of decades in the
plot; see :meth:`matplotlib.axes.Axes.set_xscale` /
:meth:`matplotlib.axes.Axes.set_yscale` for details
*nonposx*/*nonposy*: ['mask' | 'clip' ]
non-positive values in *x* or *y* can be masked as
invalid, or clipped to a very small positive number
The remaining valid kwargs are
:class:`~matplotlib.lines.Line2D` properties:
%(Line2D)s
**Example:**
.. plot:: mpl_examples/pylab_examples/log_demo.py
t basexi
t subsxt nonposxt maskt baseyt subsyt nonposyRf N( R� R� R8 R R� R� R R+ ( R/ R< R= R� R� RH R{ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt loglog s '
c O s� | j s | j � n i | j d d � d 6| j d d � d 6| j d d � d 6} | j d | � | j d � | j } t | _ | j | | � } | | _ | S( s�
call signature::
semilogx(*args, **kwargs)
Make a plot with log scaling on the *x* axis.
:func:`semilogx` supports all the keyword arguments of
:func:`~matplotlib.pyplot.plot` and
:meth:`matplotlib.axes.Axes.set_xscale`.
Notable keyword arguments:
*basex*: scalar > 1
base of the *x* logarithm
*subsx*: [ None | sequence ]
The location of the minor xticks; *None* defaults to
autosubs, which depend on the number of decades in the
plot; see :meth:`~matplotlib.axes.Axes.set_xscale` for
details.
*nonposx*: ['mask' | 'clip' ]
non-positive values in *x* can be masked as
invalid, or clipped to a very small positive number
The remaining valid kwargs are
:class:`~matplotlib.lines.Line2D` properties:
%(Line2D)s
.. seealso::
:meth:`loglog`
For example code and figure
R i
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c O s� | j s | j � n i | j d d � d 6| j d d � d 6| j d d � d 6} | j d | � | j d � | j } t | _ | j | | � } | | _ | S( s�
call signature::
semilogy(*args, **kwargs)
Make a plot with log scaling on the *y* axis.
:func:`semilogy` supports all the keyword arguments of
:func:`~matplotlib.pylab.plot` and
:meth:`matplotlib.axes.Axes.set_yscale`.
Notable keyword arguments:
*basey*: scalar > 1
Base of the *y* logarithm
*subsy*: [ None | sequence ]
The location of the minor yticks; *None* defaults to
autosubs, which depend on the number of decades in the
plot; see :meth:`~matplotlib.axes.Axes.set_yscale` for
details.
*nonposy*: ['mask' | 'clip' ]
non-positive values in *y* can be masked as
invalid, or clipped to a very small positive number
The remaining valid kwargs are
:class:`~matplotlib.lines.Line2D` properties:
%(Line2D)s
.. seealso::
:meth:`loglog`
For example code and figure
R i
R R R Rf R N( R� R� R8 R R� R� R R+ ( R/ R< R= R
RH R{ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt semilogy� s &
c K s | j | | | � S( s�
call signature::
acorr(x, normed=True, detrend=mlab.detrend_none, usevlines=True,
maxlags=10, **kwargs)
Plot the autocorrelation of *x*. If *normed* = *True*,
normalize the data by the autocorrelation at 0-th lag. *x* is
detrended by the *detrend* callable (default no normalization).
Data are plotted as ``plot(lags, c, **kwargs)``
Return value is a tuple (*lags*, *c*, *line*) where:
- *lags* are a length 2*maxlags+1 lag vector
- *c* is the 2*maxlags+1 auto correlation vector
- *line* is a :class:`~matplotlib.lines.Line2D` instance
returned by :meth:`plot`
The default *linestyle* is None and the default *marker* is
``'o'``, though these can be overridden with keyword args.
The cross correlation is performed with
:func:`numpy.correlate` with *mode* = 2.
If *usevlines* is *True*, :meth:`~matplotlib.axes.Axes.vlines`
rather than :meth:`~matplotlib.axes.Axes.plot` is used to draw
vertical lines from the origin to the acorr. Otherwise, the
plot style is determined by the kwargs, which are
:class:`~matplotlib.lines.Line2D` properties.
*maxlags* is a positive integer detailing the number of lags
to show. The default value of *None* will return all
:math:`2 imes \mathrm{len}(x) - 1` lags.
The return value is a tuple (*lags*, *c*, *linecol*, *b*)
where
- *linecol* is the
:class:`~matplotlib.collections.LineCollection`
- *b* is the *x*-axis.
.. seealso::
:meth:`~matplotlib.axes.Axes.plot` or
:meth:`~matplotlib.axes.Axes.vlines`
For documentation on valid kwargs.
**Example:**
:func:`~matplotlib.pyplot.xcorr` above, and
:func:`~matplotlib.pyplot.acorr` below.
**Example:**
.. plot:: mpl_examples/pylab_examples/xcorr_demo.py
( t xcorr( R/ RT R= ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt acorr� s =i
c
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call signature::
def xcorr(self, x, y, normed=True, detrend=mlab.detrend_none,
usevlines=True, maxlags=10, **kwargs):
Plot the cross correlation between *x* and *y*. If *normed* =
*True*, normalize the data by the cross correlation at 0-th
lag. *x* and y are detrended by the *detrend* callable
(default no normalization). *x* and *y* must be equal length.
Data are plotted as ``plot(lags, c, **kwargs)``
Return value is a tuple (*lags*, *c*, *line*) where:
- *lags* are a length ``2*maxlags+1`` lag vector
- *c* is the ``2*maxlags+1`` auto correlation vector
- *line* is a :class:`~matplotlib.lines.Line2D` instance
returned by :func:`~matplotlib.pyplot.plot`.
The default *linestyle* is *None* and the default *marker* is
'o', though these can be overridden with keyword args. The
cross correlation is performed with :func:`numpy.correlate`
with *mode* = 2.
If *usevlines* is *True*:
:func:`~matplotlib.pyplot.vlines`
rather than :func:`~matplotlib.pyplot.plot` is used to draw
vertical lines from the origin to the xcorr. Otherwise the
plotstyle is determined by the kwargs, which are
:class:`~matplotlib.lines.Line2D` properties.
The return value is a tuple (*lags*, *c*, *linecol*, *b*)
where *linecol* is the
:class:`matplotlib.collections.LineCollection` instance and
*b* is the *x*-axis.
*maxlags* is a positive integer detailing the number of lags to show.
The default value of *None* will return all ``(2*len(x)-1)`` lags.
**Example:**
:func:`~matplotlib.pyplot.xcorr` above, and
:func:`~matplotlib.pyplot.acorr` below.
**Example:**
.. plot:: mpl_examples/pylab_examples/xcorr_demo.py
s x and y must be equal lengtht modei i s. maglags must be None or strictly positive < %di R t oR R N(
Rh R RO R� t correlateR� t dotR Rj R� R� t
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� s. 8 2
c C s� | j } | j | j � | j g | j D] } t | t j � r* | ^ q* � | j g | j D] } t | t j � r_ | ^ q_ � | j g | j D] } t | t j � r� | ^ q� � | S( s6 return artists that will be used as handles for legend( R� R
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return handles and labels for legend
ax.legend() is equivalent to ::
h, l = ax.get_legend_handles_labels()
ax.legend(h, l)
R t _N( R R� R t
startswithRo ( R/ R Rp t handleR� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt get_legend_handles_labelsb s
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call signature::
legend(*args, **kwargs)
Place a legend on the current axes at location *loc*. Labels are a
sequence of strings and *loc* can be a string or an integer specifying
the legend location.
To make a legend with existing lines::
legend()
:meth:`legend` by itself will try and build a legend using the label
property of the lines/patches/collections. You can set the label of
a line by doing::
plot(x, y, label='my data')
or::
line.set_label('my data').
If label is set to '_nolegend_', the item will not be shown in
legend.
To automatically generate the legend from labels::
legend( ('label1', 'label2', 'label3') )
To make a legend for a list of lines and labels::
legend( (line1, line2, line3), ('label1', 'label2', 'label3') )
To make a legend at a given location, using a location argument::
legend( ('label1', 'label2', 'label3'), loc='upper left')
or::
legend( (line1, line2, line3), ('label1', 'label2', 'label3'), loc=2)
The location codes are
=============== =============
Location String Location Code
=============== =============
'best' 0
'upper right' 1
'upper left' 2
'lower left' 3
'lower right' 4
'right' 5
'center left' 6
'center right' 7
'lower center' 8
'upper center' 9
'center' 10
=============== =============
Users can specify any arbitrary location for the legend using the
*bbox_to_anchor* keyword argument. bbox_to_anchor can be an instance
of BboxBase(or its derivatives) or a tuple of 2 or 4 floats.
For example,
loc = 'upper right', bbox_to_anchor = (0.5, 0.5)
will place the legend so that the upper right corner of the legend at
the center of the axes.
The legend location can be specified in other coordinate, by using the
*bbox_transform* keyword.
The loc itslef can be a 2-tuple giving x,y of the lower-left corner of
the legend in axes coords (*bbox_to_anchor* is ignored).
Keyword arguments:
*prop*: [ None | FontProperties | dict ]
A :class:`matplotlib.font_manager.FontProperties`
instance. If *prop* is a dictionary, a new instance will be
created with *prop*. If *None*, use rc settings.
*numpoints*: integer
The number of points in the legend for line
*scatterpoints*: integer
The number of points in the legend for scatter plot
*scatteroffsets*: list of floats
a list of yoffsets for scatter symbols in legend
*markerscale*: [ None | scalar ]
The relative size of legend markers vs. original. If *None*, use rc
settings.
*frameon*: [ True | False ]
if True, draw a frame. Default is True
*fancybox*: [ None | False | True ]
if True, draw a frame with a round fancybox. If None, use rc
*shadow*: [ None | False | True ]
If *True*, draw a shadow behind legend. If *None*, use rc settings.
*ncol* : integer
number of columns. default is 1
*mode* : [ "expand" | None ]
if mode is "expand", the legend will be horizontally expanded
to fill the axes area (or *bbox_to_anchor*)
*bbox_to_anchor* : an instance of BboxBase or a tuple of 2 or 4 floats
the bbox that the legend will be anchored.
*bbox_transform* : [ an instance of Transform | None ]
the transform for the bbox. transAxes if None.
*title* : string
the legend title
Padding and spacing between various elements use following
keywords parameters. These values are measure in font-size
units. E.g., a fontsize of 10 points and a handlelength=5
implies a handlelength of 50 points. Values from rcParams
will be used if None.
================ ==================================================================
Keyword Description
================ ==================================================================
borderpad the fractional whitespace inside the legend border
labelspacing the vertical space between the legend entries
handlelength the length of the legend handles
handletextpad the pad between the legend handle and text
borderaxespad the pad between the axes and legend border
columnspacing the spacing between columns
================ ==================================================================
**Example:**
.. plot:: mpl_examples/api/legend_demo.py
Also see :ref:`plotting-guide-legend`.
i sD No labeled objects found. Use label='...' kwarg on individual plots.i i t loci s Invalid arguments to legendN( Rh R! R% R& R Ri R R R� R RB R t flattent mlegendt LegendR- ( R/ R< R= R Rp R} R� R" ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt legendy s. �
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call signature::
step(x, y, *args, **kwargs)
Make a step plot. Additional keyword args to :func:`step` are the same
as those for :func:`~matplotlib.pyplot.plot`.
*x* and *y* must be 1-D sequences, and it is assumed, but not checked,
that *x* is uniformly increasing.
Keyword arguments:
*where*: [ 'pre' | 'post' | 'mid' ]
If 'pre', the interval from x[i] to x[i+1] has level y[i+1]
If 'post', that interval has level y[i]
If 'mid', the jumps in *y* occur half-way between the
*x*-values.
t wheret pret postt mids7 'where' argument to step must be 'pre', 'post' or 'mid's steps-R ( R( R) R* ( R8 R R+ ( R/ RT RU R< R= R' ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt step5 s
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} q�d g } n t | � } t | � d k r| | 9} n t | � d k r | | 9} q n� | d k r�| j d | d | d | � | rs| j d � n | d& k r�| j
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t d | � t | � | k r(| | 9} n | d& k rDd& g | } na t t j j | � � } t | � d k r�d d d d g g } n t | � | k r�| | 9} n | d& k r�d& g | } na t t j j | � � } t | � d k rd d d d g g } n t | � | k r"| | 9} n g } | j d& k rv| j | � } | j | � } | d& k rv| j | � } qvn | j d& k r�| j | � } | j | � } |
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t d | � t | | | | | | | � } x� | D]� \ } } } } } } }! | d k r�| | 7} t | � } n | d k r| | 7} t | � } n t j d | | f d | d | d | d | d |! d | � }" d! } |" j | � d" |" j � _ | j |" � | j |" � q�W| j }# | j! t
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d | d$ d& | �n | j! |# � | rF| j# j$ \ }& }' t% j& g | D] } | d k r�| ^ q�� }& | d& k r |& t% j' | � }& n t( |& d% d � }& |& |' f | j# _$ n | r�| j# j) \ }( }) t% j& g | D] } | d k rk| ^ qk� }( |
d& k r�|( t% j' |
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call signature::
bar(left, height, width=0.8, bottom=0, **kwargs)
Make a bar plot with rectangles bounded by:
*left*, *left* + *width*, *bottom*, *bottom* + *height*
(left, right, bottom and top edges)
*left*, *height*, *width*, and *bottom* can be either scalars
or sequences
Return value is a list of
:class:`matplotlib.patches.Rectangle` instances.
Required arguments:
======== ===============================================
Argument Description
======== ===============================================
*left* the x coordinates of the left sides of the bars
*height* the heights of the bars
======== ===============================================
Optional keyword arguments:
=============== ==========================================
Keyword Description
=============== ==========================================
*width* the widths of the bars
*bottom* the y coordinates of the bottom edges of
the bars
*color* the colors of the bars
*edgecolor* the colors of the bar edges
*linewidth* width of bar edges; None means use default
linewidth; 0 means don't draw edges.
*xerr* if not None, will be used to generate
errorbars on the bar chart
*yerr* if not None, will be used to generate
errorbars on the bar chart
*ecolor* specifies the color of any errorbar
*capsize* (default 3) determines the length in
points of the error bar caps
*error_kw* dictionary of kwargs to be passed to
errorbar method. *ecolor* and *capsize*
may be specified here rather than as
independent kwargs.
*align* 'edge' (default) | 'center'
*orientation* 'vertical' | 'horizontal'
*log* [False|True] False (default) leaves the
orientation axis as-is; True sets it to
log scale
=============== ==========================================
For vertical bars, *align* = 'edge' aligns bars by their left
edges in left, while *align* = 'center' interprets these
values as the *x* coordinates of the bar centers. For
horizontal bars, *align* = 'edge' aligns bars by their bottom
edges in bottom, while *align* = 'center' interprets these
values as the *y* coordinates of the bar centers.
The optional arguments *color*, *edgecolor*, *linewidth*,
*xerr*, and *yerr* can be either scalars or sequences of
length equal to the number of bars. This enables you to use
bar as the basis for stacked bar charts, or candlestick plots.
Detail: *xerr* and *yerr* are passed directly to
:meth:`errorbar`, so they can also have shape 2xN for
independent specification of lower and upper errors.
Other optional kwargs:
%(Rectangle)s
**Example:** A stacked bar chart.
.. plot:: mpl_examples/pylab_examples/bar_stacked.py
R t edgecolort linewidtht xerrt yerrt error_kwt ecolort capsizei t alignt edget orientationt verticalRf R� R c S s t | � s | g S| Sd S( N( R� ( RT ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt
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to_rgba_arrayR6 RM R7 RN Rm Ri Rm Rc R R� R� t _interpolation_stepsR� Ro RI t errorbarR� R� RO t amint amaxRn R� R� (* R/ R� Ro Rn R� R= R R, R- R. R/ R0 R1 R2 R3 R5 Rf R� R7 t _leftt _bottomt adjust_ylimt adjust_xlimt nbarsR' t iR< R{ RH R| R} R" t eR� R* t holdstateRT RU R\ R] R^ R_ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt barU s P
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call signature::
barh(bottom, width, height=0.8, left=0, **kwargs)
Make a horizontal bar plot with rectangles bounded by:
*left*, *left* + *width*, *bottom*, *bottom* + *height*
(left, right, bottom and top edges)
*bottom*, *width*, *height*, and *left* can be either scalars
or sequences
Return value is a list of
:class:`matplotlib.patches.Rectangle` instances.
Required arguments:
======== ======================================================
Argument Description
======== ======================================================
*bottom* the vertical positions of the bottom edges of the bars
*width* the lengths of the bars
======== ======================================================
Optional keyword arguments:
=============== ==========================================
Keyword Description
=============== ==========================================
*height* the heights (thicknesses) of the bars
*left* the x coordinates of the left edges of the
bars
*color* the colors of the bars
*edgecolor* the colors of the bar edges
*linewidth* width of bar edges; None means use default
linewidth; 0 means don't draw edges.
*xerr* if not None, will be used to generate
errorbars on the bar chart
*yerr* if not None, will be used to generate
errorbars on the bar chart
*ecolor* specifies the color of any errorbar
*capsize* (default 3) determines the length in
points of the error bar caps
*align* 'edge' (default) | 'center'
*log* [False|True] False (default) leaves the
horizontal axis as-is; True sets it to log
scale
=============== ==========================================
Setting *align* = 'edge' aligns bars by their bottom edges in
bottom, while *align* = 'center' interprets these values as
the *y* coordinates of the bar centers.
The optional arguments *color*, *edgecolor*, *linewidth*,
*xerr*, and *yerr* can be either scalars or sequences of
length equal to the number of bars. This enables you to use
barh as the basis for stacked bar charts, or candlestick
plots.
other optional kwargs:
%(Rectangle)s
R� Ro Rn R� R5 R8 ( RI ( R/ R� Rn Ro R� R= R' ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt barhd s C! c K s6 t j | | | � } | j | d t �| j � | S( s�
call signature::
broken_barh(self, xranges, yrange, **kwargs)
A collection of horizontal bars spanning *yrange* with a sequence of
*xranges*.
Required arguments:
========= ==============================
Argument Description
========= ==============================
*xranges* sequence of (*xmin*, *xwidth*)
*yrange* sequence of (*ymin*, *ywidth*)
========= ==============================
kwargs are
:class:`matplotlib.collections.BrokenBarHCollection`
properties:
%(BrokenBarHCollection)s
these can either be a single argument, ie::
facecolors = 'black'
or a sequence of arguments for the various bars, ie::
facecolors = ('black', 'red', 'green')
**Example:**
.. plot:: mpl_examples/pylab_examples/broken_barh.py
R� ( R� t BrokenBarHCollectionR� R R� ( R/ t xrangest yrangeR= t col( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt broken_barh� s %
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call signature::
stem(x, y, linefmt='b-', markerfmt='bo', basefmt='r-')
A stem plot plots vertical lines (using *linefmt*) at each *x*
location from the baseline to *y*, and places a marker there
using *markerfmt*. A horizontal line at 0 is is plotted using
*basefmt*.
Return value is a tuple (*markerline*, *stemlines*,
*baseline*).
.. seealso::
`this document`__
for details
:file:`examples/pylab_examples/stem_plot.py`
for a demo
__ http://www.mathworks.com/access/helpdesk/help/techdoc/ref/stem.html
i (
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call signature::
pie(x, explode=None, labels=None,
colors=('b', 'g', 'r', 'c', 'm', 'y', 'k', 'w'),
autopct=None, pctdistance=0.6, labeldistance=1.1, shadow=False)
Make a pie chart of array *x*. The fractional area of each
wedge is given by x/sum(x). If sum(x) <= 1, then the values
of x give the fractional area directly and the array will not
be normalized.
Keyword arguments:
*explode*: [ None | len(x) sequence ]
If not *None*, is a len(*x*) array which specifies the
fraction of the radius with which to offset each wedge.
*colors*: [ None | color sequence ]
A sequence of matplotlib color args through which the pie chart
will cycle.
*labels*: [ None | len(x) sequence of strings ]
A sequence of strings providing the labels for each wedge
*autopct*: [ None | format string | format function ]
If not *None*, is a string or function used to label the
wedges with their numeric value. The label will be placed inside
the wedge. If it is a format string, the label will be ``fmt%pct``.
If it is a function, it will be called.
*pctdistance*: scalar
The ratio between the center of each pie slice and the
start of the text generated by *autopct*. Ignored if
*autopct* is *None*; default is 0.6.
*labeldistance*: scalar
The radial distance at which the pie labels are drawn
*shadow*: [ False | True ]
Draw a shadow beneath the pie.
The pie chart will probably look best if the figure and axes are
square. Eg.::
figure(figsize=(8,8))
ax = axes([0.1, 0.1, 0.8, 0.8])
Return value:
If *autopct* is None, return the tuple (*patches*, *texts*):
- *patches* is a sequence of
:class:`matplotlib.patches.Wedge` instances
- *texts* is a list of the label
:class:`matplotlib.text.Text` instances.
If *autopct* is not *None*, return the tuple (*patches*,
*texts*, *autotexts*), where *patches* and *texts* are as
above, and *autotexts* is a list of
:class:`~matplotlib.text.Text` instances for the numeric
labels.
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call signature::
errorbar(x, y, yerr=None, xerr=None,
fmt='-', ecolor=None, elinewidth=None, capsize=3,
barsabove=False, lolims=False, uplims=False,
xlolims=False, xuplims=False)
Plot *x* versus *y* with error deltas in *yerr* and *xerr*.
Vertical errorbars are plotted if *yerr* is not *None*.
Horizontal errorbars are plotted if *xerr* is not *None*.
*x*, *y*, *xerr*, and *yerr* can all be scalars, which plots a
single error bar at *x*, *y*.
Optional keyword arguments:
*xerr*/*yerr*: [ scalar | N, Nx1, or 2xN array-like ]
If a scalar number, len(N) array-like object, or an Nx1 array-like
object, errorbars are drawn +/- value.
If a sequence of shape 2xN, errorbars are drawn at -row1 and
+row2
*fmt*: '-'
The plot format symbol. If *fmt* is *None*, only the
errorbars are plotted. This is used for adding
errorbars to a bar plot, for example.
*ecolor*: [ None | mpl color ]
a matplotlib color arg which gives the color the errorbar lines;
if *None*, use the marker color.
*elinewidth*: scalar
the linewidth of the errorbar lines. If *None*, use the linewidth.
*capsize*: scalar
the size of the error bar caps in points
*barsabove*: [ True | False ]
if *True*, will plot the errorbars above the plot
symbols. Default is below.
*lolims*/*uplims*/*xlolims*/*xuplims*: [ False | True ]
These arguments can be used to indicate that a value gives
only upper/lower limits. In that case a caret symbol is
used to indicate this. lims-arguments may be of the same
type as *xerr* and *yerr*.
All other keyword arguments are passed on to the plot command for the
markers. For example, this code makes big red squares with
thick green edges::
x,y,yerr = rand(3,10)
errorbar(x, y, yerr, marker='s',
mfc='red', mec='green', ms=20, mew=4)
where *mfc*, *mec*, *ms* and *mew* are aliases for the longer
property names, *markerfacecolor*, *markeredgecolor*, *markersize*
and *markeredgewith*.
valid kwargs for the marker properties are
%(Line2D)s
Returns (*plotline*, *caplines*, *barlinecols*):
*plotline*: :class:`~matplotlib.lines.Line2D` instance
*x*, *y* plot markers and/or line
*caplines*: list of error bar cap
:class:`~matplotlib.lines.Line2D` instances
*barlinecols*: list of
:class:`~matplotlib.collections.LineCollection` instances for
the horizontal and vertical error ranges.
**Example:**
.. plot:: mpl_examples/pylab_examples/errorbar_demo.py
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call signature::
boxplot(x, notch=0, sym='+', vert=1, whis=1.5,
positions=None, widths=None, patch_artist=False)
Make a box and whisker plot for each column of *x* or each
vector in sequence *x*. The box extends from the lower to
upper quartile values of the data, with a line at the median.
The whiskers extend from the box to show the range of the
data. Flier points are those past the end of the whiskers.
*x* is an array or a sequence of vectors.
- *notch* = 0 (default) produces a rectangular box plot.
- *notch* = 1 will produce a notched box plot
*sym* (default 'b+') is the default symbol for flier points.
Enter an empty string ('') if you don't want to show fliers.
- *vert* = 1 (default) makes the boxes vertical.
- *vert* = 0 makes horizontal boxes. This seems goofy, but
that's how MATLAB did it.
*whis* (default 1.5) defines the length of the whiskers as
a function of the inner quartile range. They extend to the
most extreme data point within ( ``whis*(75%-25%)`` ) data range.
*bootstrap* (default None) specifies whether to bootstrap the
confidence intervals around the median for notched
boxplots. If bootstrap==None, no bootstrapping is performed,
and notches are calculated using a Gaussian-based asymptotic
approximation (see McGill, R., Tukey, J.W., and Larsen, W.A.,
1978, and Kendall and Stuart, 1967). Otherwise, bootstrap
specifies the number of times to bootstrap the median to
determine it's 95% confidence intervals. Values between 1000
and 10000 are recommended.
*positions* (default 1,2,...,n) sets the horizontal positions of
the boxes. The ticks and limits are automatically set to match
the positions.
*widths* is either a scalar or a vector and sets the width of
each box. The default is 0.5, or ``0.15*(distance between extreme
positions)`` if that is smaller.
- *patch_artist* = False (default) produces boxes with the Line2D artist
- *patch_artist* = True produces boxes with the Patch artist
Returns a dictionary mapping each component of the boxplot
to a list of the :class:`matplotlib.lines.Line2D`
instances created.
**Example:**
.. plot:: pyplots/boxplot_demo.py
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call signatures::
scatter(x, y, s=20, c='b', marker='o', cmap=None, norm=None,
vmin=None, vmax=None, alpha=None, linewidths=None,
verts=None, **kwargs)
Make a scatter plot of *x* versus *y*, where *x*, *y* are
converted to 1-D sequences which must be of the same length, *N*.
Keyword arguments:
*s*:
size in points^2. It is a scalar or an array of the same
length as *x* and *y*.
*c*:
a color. *c* can be a single color format string, or a
sequence of color specifications of length *N*, or a
sequence of *N* numbers to be mapped to colors using the
*cmap* and *norm* specified via kwargs (see below). Note
that *c* should not be a single numeric RGB or RGBA
sequence because that is indistinguishable from an array
of values to be colormapped. *c* can be a 2-D array in
which the rows are RGB or RGBA, however.
*marker*:
can be one of:
======= ==============
Value Description
======= ==============
``'s'`` square
``'o'`` circle
``'^'`` triangle up
``'>'`` triangle right
``'v'`` triangle down
``'<'`` triangle left
``'d'`` diamond
``'p'`` pentagon
``'h'`` hexagon
``'8'`` octagon
``'+'`` plus
``'x'`` cross
======= ==============
The marker can also be a tuple (*numsides*, *style*,
*angle*), which will create a custom, regular symbol.
*numsides*:
the number of sides
*style*:
the style of the regular symbol:
===== =============================================
Value Description
===== =============================================
0 a regular polygon
1 a star-like symbol
2 an asterisk
3 a circle (*numsides* and *angle* is ignored)
===== =============================================
*angle*:
the angle of rotation of the symbol
Finally, *marker* can be (*verts*, 0): *verts* is a
sequence of (*x*, *y*) vertices for a custom scatter
symbol. Alternatively, use the kwarg combination
*marker* = *None*, *verts* = *verts*.
Any or all of *x*, *y*, *s*, and *c* may be masked arrays, in
which case all masks will be combined and only unmasked points
will be plotted.
Other keyword arguments: the color mapping and normalization
arguments will be used only if *c* is an array of floats.
*cmap*: [ None | Colormap ]
A :class:`matplotlib.colors.Colormap` instance or registered
name. If *None*, defaults to rc ``image.cmap``. *cmap* is
only used if *c* is an array of floats.
*norm*: [ None | Normalize ]
A :class:`matplotlib.colors.Normalize` instance is used to
scale luminance data to 0, 1. If *None*, use the default
:func:`normalize`. *norm* is only used if *c* is an array
of floats.
*vmin*/*vmax*:
*vmin* and *vmax* are used in conjunction with norm to
normalize luminance data. If either are None, the min and
max of the color array *C* is used. Note if you pass a
*norm* instance, your settings for *vmin* and *vmax* will
be ignored.
*alpha*: 0 <= scalar <= 1 or None
The alpha value for the patches
*linewidths*: [ None | scalar | sequence ]
If *None*, defaults to (lines.linewidth,). Note that this
is a tuple, and if you set the linewidths argument you
must set it as a sequence of floats, as required by
:class:`~matplotlib.collections.RegularPolyCollection`.
Optional kwargs control the
:class:`~matplotlib.collections.Collection` properties; in
particular:
*edgecolors*:
The string 'none' to plot faces with no outlines
*facecolors*:
The string 'none' to plot unfilled outlines
Here are the standard descriptions of all the
:class:`~matplotlib.collections.Collection` kwargs:
%(Collection)s
A :class:`~matplotlib.collections.Collection` instance is
returned.
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call signature::
hexbin(x, y, C = None, gridsize = 100, bins = None,
xscale = 'linear', yscale = 'linear',
cmap=None, norm=None, vmin=None, vmax=None,
alpha=None, linewidths=None, edgecolors='none'
reduce_C_function = np.mean, mincnt=None, marginals=True
**kwargs)
Make a hexagonal binning plot of *x* versus *y*, where *x*,
*y* are 1-D sequences of the same length, *N*. If *C* is None
(the default), this is a histogram of the number of occurences
of the observations at (x[i],y[i]).
If *C* is specified, it specifies values at the coordinate
(x[i],y[i]). These values are accumulated for each hexagonal
bin and then reduced according to *reduce_C_function*, which
defaults to numpy's mean function (np.mean). (If *C* is
specified, it must also be a 1-D sequence of the same length
as *x* and *y*.)
*x*, *y* and/or *C* may be masked arrays, in which case only
unmasked points will be plotted.
Optional keyword arguments:
*gridsize*: [ 100 | integer ]
The number of hexagons in the *x*-direction, default is
100. The corresponding number of hexagons in the
*y*-direction is chosen such that the hexagons are
approximately regular. Alternatively, gridsize can be a
tuple with two elements specifying the number of hexagons
in the *x*-direction and the *y*-direction.
*bins*: [ None | 'log' | integer | sequence ]
If *None*, no binning is applied; the color of each hexagon
directly corresponds to its count value.
If 'log', use a logarithmic scale for the color
map. Internally, :math:`log_{10}(i+1)` is used to
determine the hexagon color.
If an integer, divide the counts in the specified number
of bins, and color the hexagons accordingly.
If a sequence of values, the values of the lower bound of
the bins to be used.
*xscale*: [ 'linear' | 'log' ]
Use a linear or log10 scale on the horizontal axis.
*scale*: [ 'linear' | 'log' ]
Use a linear or log10 scale on the vertical axis.
*mincnt*: None | a positive integer
If not None, only display cells with more than *mincnt*
number of points in the cell
*marginals*: True|False
if marginals is True, plot the marginal density as
colormapped rectagles along the bottom of the x-axis and
left of the y-axis
*extent*: [ None | scalars (left, right, bottom, top) ]
The limits of the bins. The default assigns the limits
based on gridsize, x, y, xscale and yscale.
Other keyword arguments controlling color mapping and normalization
arguments:
*cmap*: [ None | Colormap ]
a :class:`matplotlib.cm.Colormap` instance. If *None*,
defaults to rc ``image.cmap``.
*norm*: [ None | Normalize ]
:class:`matplotlib.colors.Normalize` instance is used to
scale luminance data to 0,1.
*vmin*/*vmax*: scalar
*vmin* and *vmax* are used in conjunction with *norm* to normalize
luminance data. If either are *None*, the min and max of the color
array *C* is used. Note if you pass a norm instance, your settings
for *vmin* and *vmax* will be ignored.
*alpha*: scalar between 0 and 1, or None
the alpha value for the patches
*linewidths*: [ None | scalar ]
If *None*, defaults to rc lines.linewidth. Note that this
is a tuple, and if you set the linewidths argument you
must set it as a sequence of floats, as required by
:class:`~matplotlib.collections.RegularPolyCollection`.
Other keyword arguments controlling the Collection properties:
*edgecolors*: [ None | mpl color | color sequence ]
If 'none', draws the edges in the same color as the fill color.
This is the default, as it avoids unsightly unpainted pixels
between the hexagons.
If *None*, draws the outlines in the default color.
If a matplotlib color arg or sequence of rgba tuples, draws the
outlines in the specified color.
Here are the standard descriptions of all the
:class:`~matplotlib.collections.Collection` kwargs:
%(Collection)s
The return value is a
:class:`~matplotlib.collections.PolyCollection` instance; use
:meth:`~matplotlib.collection.PolyCollection.get_array` on
this :class:`~matplotlib.collections.PolyCollection` to get
the counts in each hexagon.. If marginals is True, horizontal
bar and vertical bar (both PolyCollections) will be attached
to the return collection as attributes *hbar* and *vbar*
**Example:**
.. plot:: mpl_examples/pylab_examples/hexbin_demo.py
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call signature::
arrow(x, y, dx, dy, **kwargs)
Draws arrow on specified axis from (*x*, *y*) to (*x* + *dx*,
*y* + *dy*).
Optional kwargs control the arrow properties:
%(FancyArrow)s
**Example:**
.. plot:: mpl_examples/pylab_examples/arrow_demo.py
( Rc t
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%(barbs_doc)s
**Example:**
.. plot:: mpl_examples/pylab_examples/barb_demo.py
( R� R� RT t BarbsR� R� t get_offsetsR� ( R/ R< R\ RH ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyt barbs� s
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call signature::
fill(*args, **kwargs)
Plot filled polygons. *args* is a variable length argument,
allowing for multiple *x*, *y* pairs with an optional color
format string; see :func:`~matplotlib.pyplot.plot` for details
on the argument parsing. For example, to plot a polygon with
vertices at *x*, *y* in blue.::
ax.fill(x,y, 'b' )
An arbitrary number of *x*, *y*, *color* groups can be specified::
ax.fill(x1, y1, 'g', x2, y2, 'r')
Return value is a list of :class:`~matplotlib.patches.Patch`
instances that were added.
The same color strings that :func:`~matplotlib.pyplot.plot`
supports are supported by the fill format string.
If you would like to fill below a curve, eg. shade a region
between 0 and *y* along *x*, use :meth:`fill_between`
The *closed* kwarg will close the polygon when *True* (default).
kwargs control the Polygon properties:
%(Polygon)s
**Example:**
.. plot:: mpl_examples/pylab_examples/fill_demo.py
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call signature::
fill_between(x, y1, y2=0, where=None, **kwargs)
Create a :class:`~matplotlib.collections.PolyCollection`
filling the regions between *y1* and *y2* where
``where==True``
*x*
an N length np array of the x data
*y1*
an N length scalar or np array of the y data
*y2*
an N length scalar or np array of the y data
*where*
if None, default to fill between everywhere. If not None,
it is a a N length numpy boolean array and the fill will
only happen over the regions where ``where==True``
*interpolate*
If True, interpolate between the two lines to find the
precise point of intersection. Otherwise, the start and
end points of the filled region will only occur on explicit
values in the *x* array.
*kwargs*
keyword args passed on to the :class:`PolyCollection`
kwargs control the Polygon properties:
%(PolyCollection)s
.. plot:: mpl_examples/pylab_examples/fill_between_demo.py
.. seealso::
:meth:`fill_betweenx`
for filling between two sets of x-values
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call signature::
fill_between(y, x1, x2=0, where=None, **kwargs)
Create a :class:`~matplotlib.collections.PolyCollection`
filling the regions between *x1* and *x2* where
``where==True``
*y*
an N length np array of the y data
*x1*
an N length scalar or np array of the x data
*x2*
an N length scalar or np array of the x data
*where*
if None, default to fill between everywhere. If not None,
it is a a N length numpy boolean array and the fill will
only happen over the regions where ``where==True``
*kwargs*
keyword args passed on to the :class:`PolyCollection`
kwargs control the Polygon properties:
%(PolyCollection)s
.. plot:: mpl_examples/pylab_examples/fill_betweenx_demo.py
.. seealso::
:meth:`fill_between`
for filling between two sets of y-values
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call signature::
imshow(X, cmap=None, norm=None, aspect=None, interpolation=None,
alpha=None, vmin=None, vmax=None, origin=None, extent=None,
**kwargs)
Display the image in *X* to current axes. *X* may be a float
array, a uint8 array or a PIL image. If *X* is an array, *X*
can have the following shapes:
* MxN -- luminance (grayscale, float array only)
* MxNx3 -- RGB (float or uint8 array)
* MxNx4 -- RGBA (float or uint8 array)
The value for each component of MxNx3 and MxNx4 float arrays should be
in the range 0.0 to 1.0; MxN float arrays may be normalised.
An :class:`matplotlib.image.AxesImage` instance is returned.
Keyword arguments:
*cmap*: [ None | Colormap ]
A :class:`matplotlib.cm.Colormap` instance, eg. cm.jet.
If *None*, default to rc ``image.cmap`` value.
*cmap* is ignored when *X* has RGB(A) information
*aspect*: [ None | 'auto' | 'equal' | scalar ]
If 'auto', changes the image aspect ratio to match that of the axes
If 'equal', and *extent* is *None*, changes the axes
aspect ratio to match that of the image. If *extent* is
not *None*, the axes aspect ratio is changed to match that
of the extent.
If *None*, default to rc ``image.aspect`` value.
*interpolation*:
Acceptable values are *None*, 'nearest', 'bilinear',
'bicubic', 'spline16', 'spline36', 'hanning', 'hamming',
'hermite', 'kaiser', 'quadric', 'catrom', 'gaussian',
'bessel', 'mitchell', 'sinc', 'lanczos'
If *interpolation* is *None*, default to rc
``image.interpolation``. See also the *filternorm* and
*filterrad* parameters
*norm*: [ None | Normalize ]
An :class:`matplotlib.colors.Normalize` instance; if
*None*, default is ``normalization()``. This scales
luminance -> 0-1
*norm* is only used for an MxN float array.
*vmin*/*vmax*: [ None | scalar ]
Used to scale a luminance image to 0-1. If either is
*None*, the min and max of the luminance values will be
used. Note if *norm* is not *None*, the settings for
*vmin* and *vmax* will be ignored.
*alpha*: scalar
The alpha blending value, between 0 (transparent) and 1 (opaque)
or *None*
*origin*: [ None | 'upper' | 'lower' ]
Place the [0,0] index of the array in the upper left or lower left
corner of the axes. If *None*, default to rc ``image.origin``.
*extent*: [ None | scalars (left, right, bottom, top) ]
Data limits for the axes. The default assigns zero-based row,
column indices to the *x*, *y* centers of the pixels.
*shape*: [ None | scalars (columns, rows) ]
For raw buffer images
*filternorm*:
A parameter for the antigrain image resize filter. From the
antigrain documentation, if *filternorm* = 1, the filter normalizes
integer values and corrects the rounding errors. It doesn't do
anything with the source floating point values, it corrects only
integers according to the rule of 1.0 which means that any sum of
pixel weights must be equal to 1.0. So, the filter function must
produce a graph of the proper shape.
*filterrad*:
The filter radius for filters that have a radius
parameter, i.e. when interpolation is one of: 'sinc',
'lanczos' or 'blackman'
Additional kwargs are :class:`~matplotlib.artist.Artist` properties:
%(Artist)s
**Example:**
.. plot:: mpl_examples/pylab_examples/image_demo.py
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call signatures::
pcolor(C, **kwargs)
pcolor(X, Y, C, **kwargs)
Create a pseudocolor plot of a 2-D array.
*C* is the array of color values.
*X* and *Y*, if given, specify the (*x*, *y*) coordinates of
the colored quadrilaterals; the quadrilateral for C[i,j] has
corners at::
(X[i, j], Y[i, j]),
(X[i, j+1], Y[i, j+1]),
(X[i+1, j], Y[i+1, j]),
(X[i+1, j+1], Y[i+1, j+1]).
Ideally the dimensions of *X* and *Y* should be one greater
than those of *C*; if the dimensions are the same, then the
last row and column of *C* will be ignored.
Note that the the column index corresponds to the
*x*-coordinate, and the row index corresponds to *y*; for
details, see the :ref:`Grid Orientation
<axes-pcolor-grid-orientation>` section below.
If either or both of *X* and *Y* are 1-D arrays or column vectors,
they will be expanded as needed into the appropriate 2-D arrays,
making a rectangular grid.
*X*, *Y* and *C* may be masked arrays. If either C[i, j], or one
of the vertices surrounding C[i,j] (*X* or *Y* at [i, j], [i+1, j],
[i, j+1],[i+1, j+1]) is masked, nothing is plotted.
Keyword arguments:
*cmap*: [ None | Colormap ]
A :class:`matplotlib.cm.Colormap` instance. If *None*, use
rc settings.
norm: [ None | Normalize ]
An :class:`matplotlib.colors.Normalize` instance is used
to scale luminance data to 0,1. If *None*, defaults to
:func:`normalize`.
*vmin*/*vmax*: [ None | scalar ]
*vmin* and *vmax* are used in conjunction with *norm* to
normalize luminance data. If either are *None*, the min
and max of the color array *C* is used. If you pass a
*norm* instance, *vmin* and *vmax* will be ignored.
*shading*: [ 'flat' | 'faceted' ]
If 'faceted', a black grid is drawn around each rectangle; if
'flat', edges are not drawn. Default is 'flat', contrary to
MATLAB.
This kwarg is deprecated; please use 'edgecolors' instead:
* shading='flat' -- edgecolors='none'
* shading='faceted -- edgecolors='k'
*edgecolors*: [ None | 'none' | color | color sequence]
If *None*, the rc setting is used by default.
If 'none', edges will not be visible.
An mpl color or sequence of colors will set the edge color
*alpha*: 0 <= scalar <= 1 or *None*
the alpha blending value
Return value is a :class:`matplotlib.collection.Collection`
instance.
.. _axes-pcolor-grid-orientation:
The grid orientation follows the MATLAB convention: an
array *C* with shape (*nrows*, *ncolumns*) is plotted with
the column number as *X* and the row number as *Y*, increasing
up; hence it is plotted the way the array would be printed,
except that the *Y* axis is reversed. That is, *C* is taken
as *C*(*y*, *x*).
Similarly for :func:`~matplotlib.pyplot.meshgrid`::
x = np.arange(5)
y = np.arange(3)
X, Y = meshgrid(x,y)
is equivalent to:
X = array([[0, 1, 2, 3, 4],
[0, 1, 2, 3, 4],
[0, 1, 2, 3, 4]])
Y = array([[0, 0, 0, 0, 0],
[1, 1, 1, 1, 1],
[2, 2, 2, 2, 2]])
so if you have::
C = rand( len(x), len(y))
then you need::
pcolor(X, Y, C.T)
or::
pcolor(C.T)
MATLAB :func:`pcolor` always discards the last row and column
of *C*, but matplotlib displays the last row and column if *X* and
*Y* are not specified, or if *X* and *Y* have one more row and
column than *C*.
kwargs can be used to control the
:class:`~matplotlib.collection.PolyCollection` properties:
%(PolyCollection)s
Note: the default *antialiaseds* is taken from
rcParams['patch.antialiased'], which defaults to *True*.
In some cases, particularly if *alpha* is 1,
you may be able to reduce rendering artifacts (light or
dark patch boundaries) by setting it to *False*. An
alternative it to set *edgecolors* to 'face'. Unfortunately,
there seems to be no single combination of parameters that
eliminates artifacts under all conditions.
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call signatures::
pcolormesh(C)
pcolormesh(X, Y, C)
pcolormesh(C, **kwargs)
*C* may be a masked array, but *X* and *Y* may not. Masked
array support is implemented via *cmap* and *norm*; in
contrast, :func:`~matplotlib.pyplot.pcolor` simply does not
draw quadrilaterals with masked colors or vertices.
Keyword arguments:
*cmap*: [ None | Colormap ]
A :class:`matplotlib.cm.Colormap` instance. If None, use
rc settings.
*norm*: [ None | Normalize ]
A :class:`matplotlib.colors.Normalize` instance is used to
scale luminance data to 0,1. If None, defaults to
:func:`normalize`.
*vmin*/*vmax*: [ None | scalar ]
*vmin* and *vmax* are used in conjunction with *norm* to
normalize luminance data. If either are *None*, the min
and max of the color array *C* is used. If you pass a
*norm* instance, *vmin* and *vmax* will be ignored.
*shading*: [ 'flat' | 'faceted' | 'gouraud' ]
If 'faceted', a black grid is drawn around each rectangle; if
'flat', edges are not drawn. Default is 'flat', contrary to
MATLAB.
This kwarg is deprecated; please use 'edgecolors' instead:
* shading='flat' -- edgecolors='None'
* shading='faceted -- edgecolors='k'
*edgecolors*: [ None | 'None' | color | color sequence]
If None, the rc setting is used by default.
If 'None', edges will not be visible.
An mpl color or sequence of colors will set the edge color
*alpha*: 0 <= scalar <= 1 or *None*
the alpha blending value
Return value is a :class:`matplotlib.collection.QuadMesh`
object.
kwargs can be used to control the
:class:`matplotlib.collections.QuadMesh`
properties:
%(QuadMesh)s
.. seealso::
:func:`~matplotlib.pyplot.pcolor`
For an explanation of the grid orientation and the
expansion of 1-D *X* and/or *Y* to 2-D arrays.
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pseudocolor plot of a 2-D array
Experimental; this is a version of pcolor that
does not draw lines, that provides the fastest
possible rendering with the Agg backend, and that
can handle any quadrilateral grid.
Call signatures::
pcolor(C, **kwargs)
pcolor(xr, yr, C, **kwargs)
pcolor(x, y, C, **kwargs)
pcolor(X, Y, C, **kwargs)
C is the 2D array of color values corresponding to quadrilateral
cells. Let (nr, nc) be its shape. C may be a masked array.
``pcolor(C, **kwargs)`` is equivalent to
``pcolor([0,nc], [0,nr], C, **kwargs)``
*xr*, *yr* specify the ranges of *x* and *y* corresponding to the
rectangular region bounding *C*. If::
xr = [x0, x1]
and::
yr = [y0,y1]
then *x* goes from *x0* to *x1* as the second index of *C* goes
from 0 to *nc*, etc. (*x0*, *y0*) is the outermost corner of
cell (0,0), and (*x1*, *y1*) is the outermost corner of cell
(*nr*-1, *nc*-1). All cells are rectangles of the same size.
This is the fastest version.
*x*, *y* are 1D arrays of length *nc* +1 and *nr* +1, respectively,
giving the x and y boundaries of the cells. Hence the cells are
rectangular but the grid may be nonuniform. The speed is
intermediate. (The grid is checked, and if found to be
uniform the fast version is used.)
*X* and *Y* are 2D arrays with shape (*nr* +1, *nc* +1) that specify
the (x,y) coordinates of the corners of the colored
quadrilaterals; the quadrilateral for C[i,j] has corners at
(X[i,j],Y[i,j]), (X[i,j+1],Y[i,j+1]), (X[i+1,j],Y[i+1,j]),
(X[i+1,j+1],Y[i+1,j+1]). The cells need not be rectangular.
This is the most general, but the slowest to render. It may
produce faster and more compact output using ps, pdf, and
svg backends, however.
Note that the the column index corresponds to the x-coordinate,
and the row index corresponds to y; for details, see
the "Grid Orientation" section below.
Optional keyword arguments:
*cmap*: [ None | Colormap ]
A cm Colormap instance from cm. If None, use rc settings.
*norm*: [ None | Normalize ]
An mcolors.Normalize instance is used to scale luminance data to
0,1. If None, defaults to normalize()
*vmin*/*vmax*: [ None | scalar ]
*vmin* and *vmax* are used in conjunction with norm to normalize
luminance data. If either are *None*, the min and max of the color
array *C* is used. If you pass a norm instance, *vmin* and *vmax*
will be *None*.
*alpha*: 0 <= scalar <= 1 or *None*
the alpha blending value
Return value is an image if a regular or rectangular grid
is specified, and a QuadMesh collection in the general
quadrilateral case.
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call signature::
table(cellText=None, cellColours=None,
cellLoc='right', colWidths=None,
rowLabels=None, rowColours=None, rowLoc='left',
colLabels=None, colColours=None, colLoc='center',
loc='bottom', bbox=None):
Add a table to the current axes. Returns a
:class:`matplotlib.table.Table` instance. For finer grained
control over tables, use the :class:`~matplotlib.table.Table`
class and add it to the axes with
:meth:`~matplotlib.axes.Axes.add_table`.
Thanks to John Gill for providing the class and table.
kwargs control the :class:`~matplotlib.table.Table`
properties:
%(Table)s
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call signature::
ax = twinx()
create a twin of Axes for generating a plot with a sharex
x-axis but independent y axis. The y-axis of self will have
ticks on left and the returned axes will have ticks on the
right
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call signature::
ax = twiny()
create a twin of Axes for generating a plot with a shared
y-axis but independent x axis. The x-axis of self will have
ticks on bottom and the returned axes will have ticks on the
top
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call signature::
hist(x, bins=10, range=None, normed=False, cumulative=False,
bottom=None, histtype='bar', align='mid',
orientation='vertical', rwidth=None, log=False, **kwargs)
Compute and draw the histogram of *x*. The return value is a
tuple (*n*, *bins*, *patches*) or ([*n0*, *n1*, ...], *bins*,
[*patches0*, *patches1*,...]) if the input contains multiple
data.
Multiple data can be provided via *x* as a list of datasets
of potentially different length ([*x0*, *x1*, ...]), or as
a 2-D ndarray in which each column is a dataset. Note that
the ndarray form is transposed relative to the list form.
Masked arrays are not supported at present.
Keyword arguments:
*bins*:
Either an integer number of bins or a sequence giving the
bins. If *bins* is an integer, *bins* + 1 bin edges
will be returned, consistent with :func:`numpy.histogram`
for numpy version >= 1.3, and with the *new* = True argument
in earlier versions.
Unequally spaced bins are supported if *bins* is a sequence.
*range*:
The lower and upper range of the bins. Lower and upper outliers
are ignored. If not provided, *range* is (x.min(), x.max()).
Range has no effect if *bins* is a sequence.
If *bins* is a sequence or *range* is specified, autoscaling
is based on the specified bin range instead of the
range of x.
*normed*:
If *True*, the first element of the return tuple will
be the counts normalized to form a probability density, i.e.,
``n/(len(x)*dbin)``. In a probability density, the integral of
the histogram should be 1; you can verify that with a
trapezoidal integration of the probability density function::
pdf, bins, patches = ax.hist(...)
print np.sum(pdf * np.diff(bins))
.. Note:: Until numpy release 1.5, the underlying numpy
histogram function was incorrect with *normed*=*True*
if bin sizes were unequal. MPL inherited that
error. It is now corrected within MPL when using
earlier numpy versions
*weights*
An array of weights, of the same shape as *x*. Each value in
*x* only contributes its associated weight towards the bin
count (instead of 1). If *normed* is True, the weights are
normalized, so that the integral of the density over the range
remains 1.
*cumulative*:
If *True*, then a histogram is computed where each bin
gives the counts in that bin plus all bins for smaller values.
The last bin gives the total number of datapoints. If *normed*
is also *True* then the histogram is normalized such that the
last bin equals 1. If *cumulative* evaluates to less than 0
(e.g. -1), the direction of accumulation is reversed. In this
case, if *normed* is also *True*, then the histogram is normalized
such that the first bin equals 1.
*histtype*: [ 'bar' | 'barstacked' | 'step' | 'stepfilled' ]
The type of histogram to draw.
- 'bar' is a traditional bar-type histogram. If multiple data
are given the bars are aranged side by side.
- 'barstacked' is a bar-type histogram where multiple
data are stacked on top of each other.
- 'step' generates a lineplot that is by default
unfilled.
- 'stepfilled' generates a lineplot that is by default
filled.
*align*: ['left' | 'mid' | 'right' ]
Controls how the histogram is plotted.
- 'left': bars are centered on the left bin edges.
- 'mid': bars are centered between the bin edges.
- 'right': bars are centered on the right bin edges.
*orientation*: [ 'horizontal' | 'vertical' ]
If 'horizontal', :func:`~matplotlib.pyplot.barh` will be
used for bar-type histograms and the *bottom* kwarg will be
the left edges.
*rwidth*:
The relative width of the bars as a fraction of the bin
width. If *None*, automatically compute the width. Ignored
if *histtype* = 'step' or 'stepfilled'.
*log*:
If *True*, the histogram axis will be set to a log scale.
If *log* is *True* and *x* is a 1D array, empty bins will
be filtered out and only the non-empty (*n*, *bins*,
*patches*) will be returned.
*color*:
Color spec or sequence of color specs, one per
dataset. Default (*None*) uses the standard line
color sequence.
*label*:
String, or sequence of strings to match multiple
datasets. Bar charts yield multiple patches per
dataset, but only the first gets the label, so
that the legend command will work as expected::
ax.hist(10+2*np.random.randn(1000), label='men')
ax.hist(12+3*np.random.randn(1000), label='women', alpha=0.5)
ax.legend()
kwargs are used to update the properties of the
:class:`~matplotlib.patches.Patch` instances returned by *hist*:
%(Patch)s
**Example:**
.. plot:: mpl_examples/pylab_examples/histogram_demo.py
RI t
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stepfilleds histtype %s is not recognizedR� R* R� s align kwarg %s is not recognizedR8 R6 s& orientation kwarg %s is not recognizedRn sF hist now uses the rwidth to give relative width and not absolute widthi i i s x must be 1D or 2DsX 2D hist input should be nsamples x nvariables;
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This release fixes a normalization bug in the NumPy histogram
function prior to version 1.5, occuring with non-uniform
bin widths. The returned and plotted value is now a density:
n / (N * bin width),
where n is the bin count and N the total number of points.
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call signature::
psd(x, NFFT=256, Fs=2, Fc=0, detrend=mlab.detrend_none,
window=mlab.window_hanning, noverlap=0, pad_to=None,
sides='default', scale_by_freq=None, **kwargs)
The power spectral density by Welch's average periodogram
method. The vector *x* is divided into *NFFT* length
segments. Each segment is detrended by function *detrend* and
windowed by function *window*. *noverlap* gives the length of
the overlap between segments. The :math:`|\mathrm{fft}(i)|^2`
of each segment :math:`i` are averaged to compute *Pxx*, with a
scaling to correct for power loss due to windowing. *Fs* is the
sampling frequency.
%(PSD)s
*Fc*: integer
The center frequency of *x* (defaults to 0), which offsets
the x extents of the plot to reflect the frequency range used
when a signal is acquired and then filtered and downsampled to
baseband.
Returns the tuple (*Pxx*, *freqs*).
For plotting, the power is plotted as
:math:`10\log_{10}(P_{xx})` for decibels, though *Pxx* itself
is returned.
References:
Bendat & Piersol -- Random Data: Analysis and Measurement
Procedures, John Wiley & Sons (1986)
kwargs control the :class:`~matplotlib.lines.Line2D` properties:
%(Line2D)s
**Example:**
.. plot:: mpl_examples/pylab_examples/psd_demo.py
s dB/Hzt dBi
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call signature::
csd(x, y, NFFT=256, Fs=2, Fc=0, detrend=mlab.detrend_none,
window=mlab.window_hanning, noverlap=0, pad_to=None,
sides='default', scale_by_freq=None, **kwargs)
The cross spectral density :math:`P_{xy}` by Welch's average
periodogram method. The vectors *x* and *y* are divided into
*NFFT* length segments. Each segment is detrended by function
*detrend* and windowed by function *window*. The product of
the direct FFTs of *x* and *y* are averaged over each segment
to compute :math:`P_{xy}`, with a scaling to correct for power
loss due to windowing.
Returns the tuple (*Pxy*, *freqs*). *P* is the cross spectrum
(complex valued), and :math:`10\log_{10}|P_{xy}|` is
plotted.
%(PSD)s
*Fc*: integer
The center frequency of *x* (defaults to 0), which offsets
the x extents of the plot to reflect the frequency range used
when a signal is acquired and then filtered and downsampled to
baseband.
References:
Bendat & Piersol -- Random Data: Analysis and Measurement
Procedures, John Wiley & Sons (1986)
kwargs control the Line2D properties:
%(Line2D)s
**Example:**
.. plot:: mpl_examples/pylab_examples/csd_demo.py
.. seealso:
:meth:`psd`
For a description of the optional parameters.
i
R� s Cross Spectrum Magnitude (dB)i ( R� R� R� t csdRh RQ R+ RO Rc t absoluteR� R� R� R R� R� R Rj RZ R R� Rx ( R/ RT RU R� R� R� R R� R� R� R� R� R= t pxyR� R R R� R+ Rg ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR� � s 0
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call signature::
cohere(x, y, NFFT=256, Fs=2, Fc=0, detrend = mlab.detrend_none,
window = mlab.window_hanning, noverlap=0, pad_to=None,
sides='default', scale_by_freq=None, **kwargs)
:meth:`cohere` the coherence between *x* and *y*. Coherence
is the normalized cross spectral density:
.. math::
C_{xy} = \frac{|P_{xy}|^2}{P_{xx}P_{yy}}
%(PSD)s
*Fc*: integer
The center frequency of *x* (defaults to 0), which offsets
the x extents of the plot to reflect the frequency range used
when a signal is acquired and then filtered and downsampled to
baseband.
The return value is a tuple (*Cxy*, *f*), where *f* are the
frequencies of the coherence vector.
kwargs are applied to the lines.
References:
* Bendat & Piersol -- Random Data: Analysis and Measurement
Procedures, John Wiley & Sons (1986)
kwargs control the :class:`~matplotlib.lines.Line2D`
properties of the coherence plot:
%(Line2D)s
**Example:**
.. plot:: mpl_examples/pylab_examples/cohere_demo.py
R� t Coherence( R� R� R� t cohereR+ R� R� R� R ( R/ RT RU R� R� R� R R� R� R� R� R� R= t cxyR� ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyR # s -
i� c
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call signature::
specgram(x, NFFT=256, Fs=2, Fc=0, detrend=mlab.detrend_none,
window=mlab.window_hanning, noverlap=128,
cmap=None, xextent=None, pad_to=None, sides='default',
scale_by_freq=None, **kwargs)
Compute a spectrogram of data in *x*. Data are split into
*NFFT* length segments and the PSD of each section is
computed. The windowing function *window* is applied to each
segment, and the amount of overlap of each segment is
specified with *noverlap*.
%(PSD)s
*Fc*: integer
The center frequency of *x* (defaults to 0), which offsets
the y extents of the plot to reflect the frequency range used
when a signal is acquired and then filtered and downsampled to
baseband.
*cmap*:
A :class:`matplotlib.cm.Colormap` instance; if *None* use
default determined by rc
*xextent*:
The image extent along the x-axis. xextent = (xmin,xmax)
The default is (0,max(bins)), where bins is the return
value from :func:`mlab.specgram`
*kwargs*:
Additional kwargs are passed on to imshow which makes the
specgram image
Return value is (*Pxx*, *freqs*, *bins*, *im*):
- *bins* are the time points the spectrogram is calculated over
- *freqs* is an array of frequencies
- *Pxx* is a len(times) x len(freqs) array of power
- *im* is a :class:`matplotlib.image.AxesImage` instance
Note: If *x* is real (i.e. non-complex), only the positive
spectrum is shown. If *x* is complex, both positive and
negative parts of the spectrum are shown. This can be
overridden using the *sides* keyword argument.
**Example:**
.. plot:: mpl_examples/pylab_examples/specgram_demo.py
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call signature::
spy(Z, precision=0, marker=None, markersize=None,
aspect='equal', **kwargs)
``spy(Z)`` plots the sparsity pattern of the 2-D array *Z*.
If *precision* is 0, any non-zero value will be plotted;
else, values of :math:`|Z| > precision` will be plotted.
For :class:`scipy.sparse.spmatrix` instances, there is a
special case: if *precision* is 'present', any value present in
the array will be plotted, even if it is identically zero.
The array will be plotted as it would be printed, with
the first index (row) increasing down and the second
index (column) increasing to the right.
By default aspect is 'equal', so that each array element
occupies a square space; set the aspect kwarg to 'auto'
to allow the plot to fill the plot box, or to any scalar
number to specify the aspect ratio of an array element
directly.
Two plotting styles are available: image or marker. Both
are available for full arrays, but only the marker style
works for :class:`scipy.sparse.spmatrix` instances.
If *marker* and *markersize* are *None*, an image will be
returned and any remaining kwargs are passed to
:func:`~matplotlib.pyplot.imshow`; else, a
:class:`~matplotlib.lines.Line2D` object will be returned with
the value of marker determining the marker type, and any
remaining kwargs passed to the
:meth:`~matplotlib.axes.Axes.plot` method.
If *marker* and *markersize* are *None*, useful kwargs include:
* *cmap*
* *alpha*
.. seealso::
:func:`~matplotlib.pyplot.imshow`
For image options.
For controlling colors, e.g. cyan background and red marks,
use::
cmap = mcolors.ListedColormap(['c','r'])
If *marker* or *markersize* is not *None*, useful kwargs include:
* *marker*
* *markersize*
* *color*
Useful values for *marker* include:
* 's' square (default)
* 'o' circle
* '.' point
* ',' pixel
.. seealso::
:func:`~matplotlib.pyplot.plot`
For plotting options
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Plot a matrix or array as an image.
The matrix will be shown the way it would be printed,
with the first row at the top. Row and column numbering
is zero-based.
Argument:
*Z* anything that can be interpreted as a 2-D array
kwargs all are passed to :meth:`~matplotlib.axes.Axes.imshow`.
:meth:`matshow` sets defaults for *extent*, *origin*,
*interpolation*, and *aspect*; use care in overriding the
*extent* and *origin* kwargs, because they interact. (Also,
if you want to change them, you probably should be using
imshow directly in your own version of matshow.)
Returns: an :class:`matplotlib.image.AxesImage` instance.
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Base class for subplots, which are :class:`Axes` instances with
additional methods to facilitate generating and manipulating a set
of :class:`Axes` within a figure.
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*fig* is a :class:`matplotlib.figure.Figure` instance.
*args* is the tuple (*numRows*, *numCols*, *plotNum*), where
the array of subplots in the figure has dimensions *numRows*,
*numCols*, and where *plotNum* is the number of the subplot
being created. *plotNum* starts at 1 in the upper left
corner and increases to the right.
If *numRows* <= *numCols* <= *plotNum* < 10, *args* can be the
decimal integer *numRows* * 100 + *numCols* * 10 + *plotNum*.
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return_allN( RJ R� R� R RF t rowNumt colNumR� R� ( R/ ( ( sB /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/axes.pyRD � s c C s
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set the visible property on ticklabels so xticklabels are
visible only if the subplot is in the last row and yticklabels
are visible only if the subplot is in the first column
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