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This module contains all the 2D line class which can draw with a
variety of line styles, markers and colors.
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Determine if any line segments are within radius of a
point. Returns the list of line segments that are within that
radius.
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A line - the line can have both a solid linestyle connecting all
the vertices, and a marker at each vertex. Additionally, the
drawing of the solid line is influenced by the drawstyle, eg one
can create "stepped" lines in various styles.
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Create a :class:`~matplotlib.lines.Line2D` instance with *x*
and *y* data in sequences *xdata*, *ydata*.
The kwargs are :class:`~matplotlib.lines.Line2D` properties:
%(Line2D)s
See :meth:`set_linestyle` for a decription of the line styles,
:meth:`set_marker` for a description of the markers, and
:meth:`set_drawstyle` for a description of the draw styles.
s xdata must be a sequences ydata must be a sequences lines.linewidths lines.linestyles lines.markers lines.colors lines.markersizes lines.antialiaseds lines.dash_capstyles lines.dash_joinstyles lines.solid_capstyles lines.solid_joinstyleR: g �?N(& R t __init__R t RuntimeErrorR6 R t set_dash_capstylet set_dash_joinstylet set_solid_capstylet set_solid_joinstylet
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Test whether the mouse event occurred on the line. The pick
radius determines the precision of the location test (usually
within five points of the value). Use
:meth:`~matplotlib.lines.Line2D.get_pickradius` or
:meth:`~matplotlib.lines.Line2D.set_pickradius` to view or
modify it.
Returns *True* if any values are within the radius along with
``{'ind': pointlist}``, where *pointlist* is the set of points
within the radius.
TODO: sort returned indices by distance
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ACCEPTS: float distance in points
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return the marker fillstyle
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Set the marker fill style; 'full' means fill the whole marker.
The other options are for half filled markers
ACCEPTS: ['full' | 'left' | 'right' | 'bottom' | 'top']
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Set the markevery property to subsample the plot when using
markers. Eg if ``markevery=5``, every 5-th marker will be
plotted. *every* can be
None
Every point will be plotted
an integer N
Every N-th marker will be plotted starting with marker 0
A length-2 tuple of integers
every=(start, N) will start at point start and plot every N-th marker
ACCEPTS: None | integer | (startind, stride)
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ACCEPTS: float distance in points or callable pick function
``fn(artist, event)``
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Set the x and y data
ACCEPTS: 2D array (rows are x, y) or two 1D arrays
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set the Transformation instance used by this artist
ACCEPTS: a :class:`matplotlib.transforms.Transform` instance
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Return the xdata, ydata.
If *orig* is *True*, return the original data
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Return the xdata.
If *orig* is *True*, return the original data, else the
processed data.
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Return the ydata.
If *orig* is *True*, return the original data, else the
processed data.
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Return the :class:`~matplotlib.path.Path` object associated
with this line.
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Return the *xy* data as a Nx2 numpy array.
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True if line should be drawin with antialiased rendering
ACCEPTS: [True | False]
N( R ( R� t b( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� � s c C s
| | _ d S( sR
Set the color of the line
ACCEPTS: any matplotlib color
N( R ( R� R� ( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� � s c C s
| | _ d S( sA
Set the drawstyle of the plot
'default' connects the points with lines. The steps variants
produce step-plots. 'steps' is equivalent to 'steps-pre' and
is maintained for backward-compatibility.
ACCEPTS: [ 'default' | 'steps' | 'steps-pre' | 'steps-mid' | 'steps-post' ]
N( R2 ( R� R� ( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� � s
c C s
| | _ d S( sV
Set the line width in points
ACCEPTS: float value in points
N( R! ( R� t w( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� � s c C s� xb | j D]W } | j | � r
| j | � t | � t | � k rW | t | � } n d } Pq
q
W| | j k r� | t k r� t | } q� t j d | t | � f � n | d k r� d } n | | _ d S( s�
Set the linestyle of the line (also accepts drawstyles)
================ =================
linestyle description
================ =================
``'-'`` solid
``'--'`` dashed
``'-.'`` dash_dot
``':'`` dotted
``'None'`` draw nothing
``' '`` draw nothing
``''`` draw nothing
================ =================
'steps' is equivalent to 'steps-pre' and is maintained for
backward-compatibility.
.. seealso::
:meth:`set_drawstyle`
To set the drawing style (stepping) of the plot.
ACCEPTS: [ ``'-'`` | ``'--'`` | ``'-.'`` | ``':'`` | ``'None'`` | ``' '`` | ``''`` ]
and any drawstyle in combination with a linestyle, e.g. ``'steps--'``.
R0 s Unrecognized line style %s, %sR7 R8 R6 N( R7 R8 (
t
drawStyleKeyst
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c C sm | | j k r+ | | _ | j | | _ n> t | � rL | | _ d | _ n t j d | t | � f � d S( s�
Set the line marker
========== ==========================
marker description
========== ==========================
``'.'`` point
``','`` pixel
``'o'`` circle
``'v'`` triangle_down
``'^'`` triangle_up
``'<'`` triangle_left
``'>'`` triangle_right
``'1'`` tri_down
``'2'`` tri_up
``'3'`` tri_left
``'4'`` tri_right
``'s'`` square
``'p'`` pentagon
``'*'`` star
``'h'`` hexagon1
``'H'`` hexagon2
``'+'`` plus
``'x'`` x
``'D'`` diamond
``'d'`` thin_diamond
``'|'`` vline
``'_'`` hline
TICKLEFT tickleft
TICKRIGHT tickright
TICKUP tickup
TICKDOWN tickdown
CARETLEFT caretleft
CARETRIGHT caretright
CARETUP caretup
CARETDOWN caretdown
``'None'`` nothing
``' '`` nothing
``''`` nothing
'$...$' render the string using mathtext
========== ==========================
ACCEPTS: [ ``'+'`` | ``'*'`` | ``','`` | ``'.'``
| ``'1'`` | ``'2'`` | ``'3'`` | ``'4'``
| ``'<'`` | ``'>'`` | ``'D'`` | ``'H'``
| ``'^'`` | ``'_'`` | ``'d'`` | ``'h'``
| ``'o'`` | ``'p'`` | ``'s'`` | ``'v'``
| ``'x'`` | ``'|'``
| TICKUP | TICKDOWN | TICKLEFT | TICKRIGHT
| CARETUP | CARETDOWN | CARETLEFT | CARETRIGHT
| ``'None'`` | ``' '`` | ``''`` | '$...$']
t _draw_mathtext_paths Unrecognized marker style %s, %sN( t _markersR� R6 R
R Rf Rg ( R� R� ( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� � s 8 c C s" | d k r d } n | | _ d S( sR
Set the marker edge color
ACCEPTS: any matplotlib color
RO N( R6 RQ ( R� t ec( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� 5 s c C s& | d k r t d } n | | _ d S( s]
Set the marker edge width in points
ACCEPTS: float value in points
s lines.markeredgewidthN( R6 R R5 ( R� t ew( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� ? s
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Set the marker face color.
ACCEPTS: any matplotlib color
RO N( R6 RU ( R� RX ( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� I s c C s" | d k r d } n | | _ d S( s]
Set the alternate marker face color.
ACCEPTS: any matplotlib color
RO N( R6 RT ( R� RX ( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� T s c C s
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Set the marker size in points
ACCEPTS: float
N( R� ( R� t sz( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� _ s c C s | | _ t | _ d S( sH
Set the data np.array for x
ACCEPTS: 1D array
N( R� R� R� ( R� R ( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR� g s c C s | | _ t | _ d S( sH
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ACCEPTS: 1D array
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Set the dash sequence, sequence of dashes with on off ink in
points. If seq is empty or if seq = (None, None), the
linestyle will be set to solid.
ACCEPTS: sequence of on/off ink in points
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Draws mathtext markers '$...$' using TextPath object.
Submitted by tcb
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| j d k S( s return True if line is dashstyles --s -.R4 ( s --s -.R4 ( R� ( R� ( ( sC /opt/alt/python27/lib64/python2.7/site-packages/matplotlib/lines.pyR$ � s ( RD RH RF RJ RL RV Re Rc R\ R^ RX RZ ( s fulls lefts rights bottoms top( Rw s roundRy ( Rz s roundR{ Ng333333�g������ɿg333333�?g������ɿg333333�g������ɿg333333�?g������ɿg333333�g������ɿ(� t __name__t
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Manage the callbacks to maintain a list of selected vertices for
:class:`matplotlib.lines.Line2D`. Derived classes should override
:meth:`~matplotlib.lines.VertexSelector.process_selected` to do
something with the picks.
Here is an example which highlights the selected verts with red
circles::
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.lines as lines
class HighlightSelected(lines.VertexSelector):
def __init__(self, line, fmt='ro', **kwargs):
lines.VertexSelector.__init__(self, line)
self.markers, = self.axes.plot([], [], fmt, **kwargs)
def process_selected(self, ind, xs, ys):
self.markers.set_data(xs, ys)
self.canvas.draw()
fig = plt.figure()
ax = fig.add_subplot(111)
x, y = np.random.rand(2, 30)
line, = ax.plot(x, y, 'bs-', picker=5)
selector = HighlightSelected(line)
plt.show()
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Initialize the class with a :class:`matplotlib.lines.Line2D`
instance. The line should already be added to some
:class:`matplotlib.axes.Axes` instance and should have the
picker property set.
R s' You must first add the line to the Axess2 You must first set the picker property of the linet
pick_eventN(
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Default "do nothing" implementation of the
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*ind* are the indices of the selected vertices. *xs* and *ys*
are the coordinates of the selected vertices.
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