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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/tutorials/tutorial8.py
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"""Tutorial 8. Putting two plots on the screen
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This tutorial sets up for showing how Chaco allows easily opening multiple
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views into a single dataspace, which is demonstrated in later tutorials.
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"""
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from scipy import arange
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from scipy.special import jn
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from enable.api import ComponentEditor
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from traits.api import HasTraits, Instance
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from traitsui.api import Item, View
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from chaco.api import create_line_plot, HPlotContainer
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from chaco.tools.api import PanTool
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class PlotExample(HasTraits):
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    container = Instance(HPlotContainer)
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    traits_view = View(Item('container', editor=ComponentEditor(),
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                            show_label=False, width=800, height=600),
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                       title="Chaco Tutorial")
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    def _container_default(self):
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        x = arange(-5.0, 15.0, 20.0/100)
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        y = jn(0, x)
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        left_plot = create_line_plot((x,y), bgcolor="white",
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                                     add_grid=True, add_axis=True)
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        left_plot.tools.append(PanTool(left_plot))
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        self.left_plot = left_plot
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        y = jn(1, x)
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        right_plot = create_line_plot((x,y), bgcolor="white",
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                                      add_grid=True, add_axis=True)
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        right_plot.tools.append(PanTool(right_plot))
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        right_plot.y_axis.orientation = "right"
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        self.right_plot = right_plot
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        # Tone down the colors on the grids
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        right_plot.hgrid.line_color = (0.3,0.3,0.3,0.5)
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        right_plot.vgrid.line_color = (0.3,0.3,0.3,0.5)
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        left_plot.hgrid.line_color = (0.3,0.3,0.3,0.5)
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        left_plot.vgrid.line_color = (0.3,0.3,0.3,0.5)
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        container = HPlotContainer(spacing=20, padding=50, bgcolor="lightgray")
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        container.add(left_plot)
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        container.add(right_plot)
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        return container
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demo = PlotExample()
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if __name__ == "__main__":
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    demo.configure_traits()