from numpy import linspace, sin from enthought.chaco.api import ArrayPlotData, Plot from enthought.chaco.tools.api import PanTool, ZoomTool from enthought.enable.component_editor import ComponentEditor from enthought.traits.api import Enum, HasTraits, Instance from enthought.traits.ui.api import Item, View class PlotEditor(HasTraits): plot = Instance(Plot) plot_type = Enum("scatter", "line") orientation = Enum("horizontal", "vertical") traits_view = View(Item('orientation', label="Orientation"), Item('plot', editor=ComponentEditor(), show_label=False), width=500, height=500, resizable=True, title="Chaco Plot") def __init__(self, *args, **kw): HasTraits.__init__(self, *args, **kw) # Create the data and the PlotData object x = linspace(-14, 14, 100) y = sin(x) * x**3 plotdata = ArrayPlotData(x = x, y = y) # Create the scatter plot plot = Plot(plotdata) plot.plot(("x", "y"), type=self.plot_type, color="blue") plot.tools.append(PanTool(plot)) plot.tools.append(ZoomTool(plot)) self.plot = plot def _orientation_changed(self): if self.orientation == "vertical": self.plot.orientation = "v" else: self.plot.orientation = "h" if __name__ == "__main__": # Create the two plots scatter = PlotEditor(plot_type = "scatter") line = PlotEditor(plot_type = "line") # Hook up their ranges scatter.plot.range2d = line.plot.range2d # Bring up both plots by calling edit_traits(). (We call configure_traits() # on the second one so that the application main loop stays running.) line.edit_traits() scatter.configure_traits()