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  • Committer: Package Import Robot
  • Author(s): Andrew Starr-Bochicchio
  • Date: 2014-06-01 17:04:08 UTC
  • mfrom: (7.2.5 sid)
  • Revision ID: package-import@ubuntu.com-20140601170408-m86xvdjd83a4qon0
Tags: 4.4.1-1ubuntu1
* Merge from Debian unstable. Remaining Ubuntu changes:
 - Let the binary-predeb target work on the usr/lib/python* directory
   as we don't have usr/share/pyshared anymore.

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examples/demo/shell/add_tool.py
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"""This example demonstrates customizing a plot object with a plot tool
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using the chaco.shell subpackage.
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The functions in the chaco.shell package allow us to quickly generate plots
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with some basic interactivity without using the object-oriented core of Chaco.
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"""
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# Major library imports
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from numpy import linspace, meshgrid, sin
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# Enthought library imports
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from chaco.shell import show, title, pcolor, colormap, curplot
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from chaco.default_colormaps import jet
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# Crate some scalar data
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xs = linspace(0,10,200)
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ys = linspace(0,20,400)
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x,y = meshgrid(xs,ys)
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z = sin(x)*y
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# Create a pseudo-color-map
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pcolor(x, y, z, name='sin_x_times_y')
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# Change the color mapping
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colormap(jet)
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# Add some titles
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title("pseudo colormap image plot")
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# From the current plot object, grab the first plot
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img_plot = curplot().plots['sin_x_times_y'][0]
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# Add a custom tool - in this case, an ImageInspector
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from chaco.tools.api import ImageInspectorTool, ImageInspectorOverlay
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tool = ImageInspectorTool(img_plot)
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img_plot.tools.append(tool)
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overlay = ImageInspectorOverlay(img_plot, image_inspector=tool,
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                                bgcolor="white", border_visible=True)
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img_plot.overlays.append(overlay)
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# If running this from the command line and outside of a wxPython
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# application or process, the show() command is necessary to keep
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# the plot from disappearing instantly.  If a wxPython mainloop
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# is already running, then this command is not necessary.
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show()