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@header@
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
<tr bgcolor="#7799ee">
<td valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="matplotlib.html"><font color="#ffffff">matplotlib</font></a>.backend_bases</strong></big></big></font></td
><td align=right valign=bottom
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/usr/local/lib/python2.3/site-packages/matplotlib/backend_bases.py">/usr/local/lib/python2.3/site-packages/matplotlib/backend_bases.py</a></font></td></tr></table>
<p><tt>Abstract base classes definine the primitives that renderers and<br>
graphics contexts must implement to serve as a matplotlib backend</tt></p>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#aa55cc">
<td colspan=3 valign=bottom> <br>
<font color="#fffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
<tr><td bgcolor="#aa55cc"><tt> </tt></td><td> </td>
<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="sys.html">sys</a><br>
</td><td width="25%" valign=top></td><td width="25%" valign=top></td><td width="25%" valign=top></td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ee77aa">
<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#Cursors">Cursors</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#FigureCanvasBase">FigureCanvasBase</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#FigureManagerBase">FigureManagerBase</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#GraphicsContextBase">GraphicsContextBase</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#MplEvent">MplEvent</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#NavigationToolbar2">NavigationToolbar2</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#RendererBase">RendererBase</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#Stack">Stack</a>
</font></dt></dl>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="Cursors">class <strong>Cursors</strong></a></font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt># cursors<br> </tt></td></tr>
<tr><td> </td>
<td width="100%">Data and other attributes defined here:<br>
<dl><dt><strong>HAND</strong> = 0</dl>
<dl><dt><strong>MOVE</strong> = 3</dl>
<dl><dt><strong>POINTER</strong> = 1</dl>
<dl><dt><strong>SELECT_REGION</strong> = 2</dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="FigureCanvasBase">class <strong>FigureCanvasBase</strong></a></font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt>The canvas the figure renders into.<br>
<br>
Public attribute<br>
<br>
figure - A Figure instance<br> </tt></td></tr>
<tr><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="FigureCanvasBase-__init__"><strong>__init__</strong></a>(self, figure)</dt></dl>
<dl><dt><a name="FigureCanvasBase-draw"><strong>draw</strong></a>(self)</dt><dd><tt>Render the figure</tt></dd></dl>
<dl><dt><a name="FigureCanvasBase-mpl_connect"><strong>mpl_connect</strong></a>(self, s, func)</dt><dd><tt>Connect event with string s to func. The signature of func is<br>
<br>
def func(event)<br>
<br>
where event is a <a href="#MplEvent">MplEvent</a>. The following events are recognized<br>
<br>
'button_press_event' <br>
'button_release_event' <br>
'motion_notify_event' <br>
<br>
For the three events above, if the mouse is over the axes,<br>
the variable event.inaxes will be set to the axes it is over,<br>
and additionally, the variables event.xdata and event.ydata<br>
will be defined. This is the mouse location in data coords.<br>
See backend_bases.<a href="#MplEvent">MplEvent</a>.<br>
<br>
return value is a connection id that can be used with<br>
mpl_disconnect</tt></dd></dl>
<dl><dt><a name="FigureCanvasBase-mpl_disconnect"><strong>mpl_disconnect</strong></a>(self, cid)</dt><dd><tt>Connect s to func. return an id that can be used with disconnect<br>
Method should return None</tt></dd></dl>
<dl><dt><a name="FigureCanvasBase-print_figure"><strong>print_figure</strong></a>(self, filename, dpi<font color="#909090">=300</font>, facecolor<font color="#909090">='w'</font>, edgecolor<font color="#909090">='w'</font>)</dt><dd><tt>Render the figure to hardcopy. Set the figure patch face and<br>
edge colors. This is useful because some of the GUIs have a<br>
gray figure face color background and you'll probably want to<br>
override this on hardcopy</tt></dd></dl>
<dl><dt><a name="FigureCanvasBase-switch_backends"><strong>switch_backends</strong></a>(self, FigureCanvasClass)</dt><dd><tt>instantiate an instance of FigureCanvasClass<br>
<br>
This is used for backend switching, eg, to instantiate a<br>
FigureCanvasPS from a FigureCanvasGTK. Note, deep copying is<br>
not done, so any changes to one of the instances (eg, setting<br>
figure size or line props), will be reflected in the other</tt></dd></dl>
<hr>
Data and other attributes defined here:<br>
<dl><dt><strong>events</strong> = ('button_press_event', 'button_release_event', 'motion_notify_event')</dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="FigureManagerBase">class <strong>FigureManagerBase</strong></a></font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt>Helper class for matlab mode, wraps everything up into a neat bundle<br>
<br>
Public attibutes<br>
canvas - A FigureCanvas instance<br>
num - The figure number<br> </tt></td></tr>
<tr><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="FigureManagerBase-__init__"><strong>__init__</strong></a>(self, canvas, num)</dt></dl>
<dl><dt><a name="FigureManagerBase-add_axes"><strong>add_axes</strong></a>(self, rect, **kwargs)</dt><dd><tt>Add an axes to the current figure</tt></dd></dl>
<dl><dt><a name="FigureManagerBase-add_subplot"><strong>add_subplot</strong></a>(self, *args, **kwargs)</dt><dd><tt>Add a subplot to the current figure</tt></dd></dl>
<dl><dt><a name="FigureManagerBase-clf"><strong>clf</strong></a>(self)</dt><dd><tt>clear the figure</tt></dd></dl>
<dl><dt><a name="FigureManagerBase-destroy"><strong>destroy</strong></a>(self)</dt></dl>
<dl><dt><a name="FigureManagerBase-get_current_axis"><strong>get_current_axis</strong></a>(self)</dt><dd><tt>Return the current axes</tt></dd></dl>
<dl><dt><a name="FigureManagerBase-set_current_axes"><strong>set_current_axes</strong></a>(self, a)</dt><dd><tt>Set the current axes to be a</tt></dd></dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="GraphicsContextBase">class <strong>GraphicsContextBase</strong></a></font></td></tr>
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="GraphicsContextBase-__init__"><strong>__init__</strong></a>(self)</dt></dl>
<dl><dt><a name="GraphicsContextBase-copy_properties"><strong>copy_properties</strong></a>(self, gc)</dt><dd><tt>Copy properties from gc to self</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_alpha"><strong>get_alpha</strong></a>(self)</dt><dd><tt>Return the alpha value used for blending - not supported on<br>
all backends</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_antialiased"><strong>get_antialiased</strong></a>(self)</dt><dd><tt>Return true if the object shuold try to do antialiased rendering</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_capstyle"><strong>get_capstyle</strong></a>(self)</dt><dd><tt>Return the capstyle as a string in ('butt', 'round', 'projecting')</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_clip_rectangle"><strong>get_clip_rectangle</strong></a>(self)</dt><dd><tt>Return the clip rectangle as (left, bottom, width, height)</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_dashes"><strong>get_dashes</strong></a>(self)</dt><dd><tt>Return the dash information as an offset dashlist tuple The<br>
dash list is a even size list that gives the ink on, ink off<br>
in pixels. See p107 of to postscript BLUEBOOK for more info<br>
<br>
Default value is None</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_joinstyle"><strong>get_joinstyle</strong></a>(self)</dt><dd><tt>Return the line join style as one of ('miter', 'round', 'bevel')</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_linestyle"><strong>get_linestyle</strong></a>(self, style)</dt><dd><tt>Return the linestyle: one of ('solid', 'dashed', 'dashdot',<br>
'dotted').</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_linewidth"><strong>get_linewidth</strong></a>(self)</dt><dd><tt>Return the line width in points as a scalar</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_rgb"><strong>get_rgb</strong></a>(self)</dt><dd><tt>returns a tuple of three floats from 0-1. color can be a<br>
matlab format string, a html hex color string, or a rgb tuple</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_alpha"><strong>set_alpha</strong></a>(self, alpha)</dt><dd><tt>Set the alpha value used for blending - not supported on<br>
all backends</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_antialiased"><strong>set_antialiased</strong></a>(self, b)</dt><dd><tt>True if object should be drawn with antialiased rendering</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_capstyle"><strong>set_capstyle</strong></a>(self, cs)</dt><dd><tt>Set the capstyle as a string in ('butt', 'round', 'projecting')</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_clip_rectangle"><strong>set_clip_rectangle</strong></a>(self, rectangle)</dt><dd><tt>Set the clip rectangle with sequence (left, bottom, width, height)</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_dashes"><strong>set_dashes</strong></a>(self, dash_offset, dash_list)</dt><dd><tt>Set the dash style for the gc. dash offset is the offset<br>
(usually 0). Dash list specifies the on-off sequence as<br>
points</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_foreground"><strong>set_foreground</strong></a>(self, fg, isRGB<font color="#909090">=None</font>)</dt><dd><tt>Set the foreground color. fg can be a matlab format string, a<br>
html hex color string, an rgb unit tuple, or a float between 0<br>
and 1. In the latter case, grayscale is used.<br>
<br>
The GraphicsContext converts colors to rgb internally. If you<br>
know the color is rgb already, you can set isRGB to True to<br>
avoid the performace hit of the conversion</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_graylevel"><strong>set_graylevel</strong></a>(self, frac)</dt><dd><tt>Set the foreground color to be a gray level with frac frac</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_joinstyle"><strong>set_joinstyle</strong></a>(self, js)</dt><dd><tt>Set the join style to be one of ('miter', 'round', 'bevel')</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_linestyle"><strong>set_linestyle</strong></a>(self, style)</dt><dd><tt>Set the linestyle to be one of ('solid', 'dashed', 'dashdot',<br>
'dotted').</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_linewidth"><strong>set_linewidth</strong></a>(self, w)</dt><dd><tt>Set the linewidth in points</tt></dd></dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="MplEvent">class <strong>MplEvent</strong></a></font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt>A matplotlib event. Attach additional attributes as defined in<br>
FigureCanvas.connect. The following attributes are defined and<br>
shown with their default values<br>
name # the event name<br>
canvas # the FigureCanvas instance generating the event<br>
x = None # x position - pixels from left of canvas<br>
y = None # y position - pixels from bottom of canvas<br>
button = None # button pressed None, 1, 2, 3<br>
key = None # the key pressed: None, chr(range(255), shift, win, or control<br>
inaxes = None # the Axes instance if mouse us over axes<br>
xdata = None # x coord of mouse in data coords<br>
ydata = None # y coord of mouse in data coords<br> </tt></td></tr>
<tr><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="MplEvent-__init__"><strong>__init__</strong></a>(self, name, canvas)</dt></dl>
<hr>
Data and other attributes defined here:<br>
<dl><dt><strong>button</strong> = None</dl>
<dl><dt><strong>inaxes</strong> = None</dl>
<dl><dt><strong>x</strong> = None</dl>
<dl><dt><strong>xdata</strong> = None</dl>
<dl><dt><strong>y</strong> = None</dl>
<dl><dt><strong>ydata</strong> = None</dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="NavigationToolbar2">class <strong>NavigationToolbar2</strong></a></font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt>Base class for the navigation cursor, version 2<br>
<br>
backends must implement a canvas that handles connections for<br>
'button_press_event' and 'button_release_event'. See<br>
FigureCanvas.connect for more information<br>
<br>
<br>
They must also define<br>
<br>
* save_figure - save the current figure<br>
<br>
* set_cursor - if you want the pointer icon to change<br>
<br>
* _init_toolbar - create your toolbar widget<br>
<br>
* draw_rubberband (optional) : draw the zoom to rect<br>
"rubberband" rectangle<br>
<br>
* press : (optional) whenever a mouse button is pressed, you'll be<br>
notified with the event<br>
<br>
* release : (optional) whenever a mouse button is released,<br>
you'll be notified with the event<br>
<br>
* dynamic_update (optional) dynamically update the window while<br>
navigating<br>
<br>
* set_message (optional) - display message<br>
<br>
That's it, we'll do the rest!<br> </tt></td></tr>
<tr><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="NavigationToolbar2-__init__"><strong>__init__</strong></a>(self, canvas)</dt></dl>
<dl><dt><a name="NavigationToolbar2-back"><strong>back</strong></a>(self, *args)</dt><dd><tt>move back up the view lim stack</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-drag_pan"><strong>drag_pan</strong></a>(self, event)</dt><dd><tt>the drag callback in pan/zoom mode</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-draw"><strong>draw</strong></a>(self)</dt><dd><tt>redraw the canvases, update the locators</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-draw_rubberband"><strong>draw_rubberband</strong></a>(self, event, x0, y0, x1, y1)</dt><dd><tt>draw a rectangle rubberband to indicate zoom limits</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-dynamic_update"><strong>dynamic_update</strong></a>(self)</dt></dl>
<dl><dt><a name="NavigationToolbar2-forward"><strong>forward</strong></a>(self, *args)</dt><dd><tt>move forward in the view lim stack</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-home"><strong>home</strong></a>(self, *args)</dt><dd><tt>restore the original view</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-mouse_move"><strong>mouse_move</strong></a>(self, event)</dt></dl>
<dl><dt><a name="NavigationToolbar2-pan"><strong>pan</strong></a>(self, *args)</dt><dd><tt>Activate the pan/zoom tool. pan with left button, zoom with right</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-press"><strong>press</strong></a>(self, event)</dt><dd><tt>this will be called whenver a mouse button is pressed</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-press_pan"><strong>press_pan</strong></a>(self, event)</dt><dd><tt>the press mouse button in pan/zoom mode callback</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-press_zoom"><strong>press_zoom</strong></a>(self, event)</dt><dd><tt>the press mouse button in zoom to rect mode callback</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-push_current"><strong>push_current</strong></a>(self)</dt><dd><tt>push the current view limits onto the stack</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-release"><strong>release</strong></a>(self, event)</dt><dd><tt>this will be called whenever mouse button is released</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-release_pan"><strong>release_pan</strong></a>(self, event)</dt><dd><tt>the release mouse button callback in pan/zoom mode</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-release_zoom"><strong>release_zoom</strong></a>(self, event)</dt><dd><tt>the release mouse button callback in zoom to rect mode</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-save_figure"><strong>save_figure</strong></a>(self, *args)</dt><dd><tt>save the current figure</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-set_cursor"><strong>set_cursor</strong></a>(self, cursor)</dt><dd><tt>Set the current cursor to one of the backend_bases.<a href="#Cursors">Cursors</a><br>
enums values</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-set_message"><strong>set_message</strong></a>(self, s)</dt><dd><tt>display a message on toolbar or in status bar</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-update"><strong>update</strong></a>(self)</dt><dd><tt>reset the axes stack</tt></dd></dl>
<dl><dt><a name="NavigationToolbar2-zoom"><strong>zoom</strong></a>(self, *args)</dt><dd><tt>activate zoom to rect mode</tt></dd></dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="RendererBase">class <strong>RendererBase</strong></a></font></td></tr>
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="RendererBase-close_group"><strong>close_group</strong></a>(self, s)</dt><dd><tt>close a grouping element with label s</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_arc"><strong>draw_arc</strong></a>(self, gcEdge, gcFace, x, y, width, height, angle1, angle2)</dt><dd><tt>Draw an arc centered at x,y with width and height and angles<br>
from 0.0 to 360.0<br>
<br>
If gcFace is not None, fill the rectangle with it. gcEdge<br>
is a GraphicsContext instance</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_image"><strong>draw_image</strong></a>(self, x, y, im, origin, bbox)</dt><dd><tt>Draw the Image instance into the current axes; x is the<br>
distance in pixels from the left hand side of the canvas. y is<br>
the distance from the origin. That is, if origin is upper, y<br>
is the distance from top. If origin is lower, y is the<br>
distance from bottom<br>
<br>
origin is 'upper' or 'lower'<br>
<br>
bbox is a matplotlib.transforms.BBox instance for clipping, or<br>
None</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_line"><strong>draw_line</strong></a>(self, gc, x1, y1, x2, y2)</dt><dd><tt>Draw a single line from x1,y1 to x2,y2</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_line_collection"><strong>draw_line_collection</strong></a>(self, segments, transform, clipbox, colors, linewidths, antialiaseds, offsets, transOffset)</dt><dd><tt>This is a function for optimized line drawing. If you need to<br>
draw many line segments with similar properties, it is faster<br>
to avoid the overhead of all the object creation etc. The<br>
lack of total configurability is compensated for with<br>
efficiency. Hence we don't use a GC and many of the line<br>
props it supports. See matplotlib.collections for more<br>
details<br>
<br>
sements is a sequence of ( line0, line1, line2), where linen =<br>
(x0, y0), (x1, y1), ... (xm, ym). Each line can be a<br>
different length<br>
<br>
transform is used to Transform the lines<br>
<br>
clipbox is a xmin, ymin, width, height clip rect<br>
<br>
colors is a tuple of RGBA tuples<br>
<br>
linewidths is a tuple of linewidths<br>
<br>
antialiseds is a tuple of ones or zeros indicating whether the<br>
segment should be aa or not<br>
<br>
offsets, if not None, is a list of x,y offsets to translate<br>
the lines by after transoff is used to transform the offset<br>
coords<br>
<br>
This function is intended to be overridden by the backend<br>
level in extension code for backends that want fast line<br>
collection drawing. Here is is implemented using native<br>
backend calls and may be slow</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_lines"><strong>draw_lines</strong></a>(self, gc, x, y)</dt><dd><tt>x and y are equal length arrays, draw lines connecting each<br>
point in x, y</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_point"><strong>draw_point</strong></a>(self, gc, x, y)</dt><dd><tt>Draw a single point at x,y</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_poly_collection"><strong>draw_poly_collection</strong></a>(self, verts, transform, clipbox, facecolors, edgecolors, linewidths, antialiaseds, offsets, transOffset)</dt><dd><tt>Draw a polygon collection<br>
<br>
verts are a sequence of polygon vectors, where each polygon<br>
vector is a sequence of x,y tuples of vertices<br>
<br>
facecolors and edgecolors are a sequence of RGBA tuples<br>
linewidths are a sequence of linewidths<br>
antialiaseds are a sequence of 0,1 integers whether to use aa</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_polygon"><strong>draw_polygon</strong></a>(self, gc, rgbFace, points)</dt><dd><tt>Draw a polygon. points is a len vertices tuple, each element<br>
giving the x,y coords a vertex<br>
<br>
If rgbFace is not None, fill the poly with it. gc<br>
is a GraphicsContext instance</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_rectangle"><strong>draw_rectangle</strong></a>(self, gcEdge, gcFace, x, y, width, height)</dt><dd><tt>Draw a rectangle with lower left at x,y with width and height.<br>
<br>
If gcFace is not None, fill the rectangle with it. gcEdge<br>
is a GraphicsContext instance</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_regpoly_collection"><strong>draw_regpoly_collection</strong></a>(self, clipbox, offsets, transOffset, verts, sizes, facecolors, edgecolors, linewidths, antialiaseds)</dt><dd><tt>Draw a regular poly collection<br>
<br>
offsets is a sequence is x,y tuples and transOffset maps this<br>
to display coords<br>
<br>
verts are the vertices of the regular polygon at the origin<br>
<br>
sizes are the area of the circle that circumscribes the<br>
polygon in points^2<br>
<br>
facecolors and edgecolors are a sequence of RGBA tuples<br>
linewidths are a sequence of linewidths<br>
antialiaseds are a sequence of 0,1 integers whether to use aa</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_text"><strong>draw_text</strong></a>(self, gc, x, y, s, prop, angle, ismath<font color="#909090">=False</font>)</dt><dd><tt>Draw string s at x,y (display coords) with font properties<br>
instance prop at angle in degrees</tt></dd></dl>
<dl><dt><a name="RendererBase-flipy"><strong>flipy</strong></a>(self)</dt><dd><tt>return true if y small numbers are top for renderer</tt></dd></dl>
<dl><dt><a name="RendererBase-get_canvas_width_height"><strong>get_canvas_width_height</strong></a>(self)</dt><dd><tt>return the canvas width and height in display coords</tt></dd></dl>
<dl><dt><a name="RendererBase-get_text_extent"><strong>get_text_extent</strong></a>(self, text)</dt><dd><tt>Get the text extent in window coords</tt></dd></dl>
<dl><dt><a name="RendererBase-get_text_width_height"><strong>get_text_width_height</strong></a>(self, s, fontsize, ismath<font color="#909090">=False</font>)</dt><dd><tt>get the width and height in display coords of the string s<br>
with fontsize in points</tt></dd></dl>
<dl><dt><a name="RendererBase-new_gc"><strong>new_gc</strong></a>(self)</dt><dd><tt>Return an instance of a <a href="#GraphicsContextBase">GraphicsContextBase</a></tt></dd></dl>
<dl><dt><a name="RendererBase-open_group"><strong>open_group</strong></a>(self, s)</dt><dd><tt>open a grouping element with label s</tt></dd></dl>
<dl><dt><a name="RendererBase-points_to_pixels"><strong>points_to_pixels</strong></a>(self, points)</dt><dd><tt>convert points to display units; unless your backend doesn't<br>
have dpi, eg, postscript, you need to overrride this function</tt></dd></dl>
<dl><dt><a name="RendererBase-strip_math"><strong>strip_math</strong></a>(self, s)</dt></dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="Stack">class <strong>Stack</strong></a></font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt>Implement a stack where elements can be pushed on and you can move<br>
back and forth. But no pop. Should mimib home / back / forward<br>
in a browser<br> </tt></td></tr>
<tr><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="Stack-__call__"><strong>__call__</strong></a>(self)</dt><dd><tt>return the current element, or None</tt></dd></dl>
<dl><dt><a name="Stack-__init__"><strong>__init__</strong></a>(self)</dt></dl>
<dl><dt><a name="Stack-back"><strong>back</strong></a>(self)</dt><dd><tt>move the position back and return the current element</tt></dd></dl>
<dl><dt><a name="Stack-clear"><strong>clear</strong></a>(self)</dt><dd><tt>empty the stack</tt></dd></dl>
<dl><dt><a name="Stack-empty"><strong>empty</strong></a>(self)</dt></dl>
<dl><dt><a name="Stack-forward"><strong>forward</strong></a>(self)</dt><dd><tt>move the position forward and return the current element</tt></dd></dl>
<dl><dt><a name="Stack-home"><strong>home</strong></a>(self)</dt><dd><tt>push the first element onto the top of the stack</tt></dd></dl>
<dl><dt><a name="Stack-push"><strong>push</strong></a>(self, o)</dt><dd><tt>push object onto stack at current position - all elements<br>
occurring later than the current position are discarded</tt></dd></dl>
</td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#eeaa77">
<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
<tr><td bgcolor="#eeaa77"><tt> </tt></td><td> </td>
<td width="100%"><dl><dt><a name="-error_msg"><strong>error_msg</strong></a>(msg, *args, **kwargs)</dt><dd><tt>Alert an error condition with message</tt></dd></dl>
</td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#55aa55">
<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr>
<tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td>
<td width="100%"><strong>False</strong> = False<br>
<strong>Float</strong> = Float64<br>
<strong>True</strong> = True<br>
<strong>colorConverter</strong> = <matplotlib.colors.ColorConverter instance><br>
<strong>cursors</strong> = <matplotlib.backend_bases.Cursors instance><br>
<strong>division</strong> = _Feature((2, 2, 0, 'alpha', 2), (3, 0, 0, 'alpha', 0), 8192)<br>
<strong>log</strong> = <UFunc: 'log'><br>
<strong>pi</strong> = 3.1415926535897931<br>
<strong>sqrt</strong> = <UFunc: 'sqrt'></td></tr></table>
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