

.. _sphx_glr_gallery_user_interfaces_embedding_in_wx3_sgskip.py:


================
Embedding In Wx3
================

Copyright (C) 2003-2004 Andrew Straw, Jeremy O'Donoghue and others

License: This work is licensed under the PSF. A copy should be included
with this source code, and is also available at
http://www.python.org/psf/license.html

This is yet another example of using matplotlib with wx.  Hopefully
this is pretty full-featured:

  - both matplotlib toolbar and WX buttons manipulate plot
  - full wxApp framework, including widget interaction
  - XRC (XML wxWidgets resource) file to create GUI (made with XRCed)

This was derived from embedding_in_wx and dynamic_image_wxagg.

Thanks to matplotlib and wx teams for creating such great software!




.. code-block:: python

    from __future__ import print_function

    # matplotlib requires wxPython 2.8+
    # set the wxPython version in lib\site-packages\wx.pth file
    # or if you have wxversion installed un-comment the lines below
    #import wxversion
    #wxversion.ensureMinimal('2.8')

    import sys
    import time
    import os
    import gc
    import matplotlib
    matplotlib.use('WXAgg')
    import matplotlib.cm as cm
    import matplotlib.cbook as cbook
    from matplotlib.backends.backend_wxagg import Toolbar, FigureCanvasWxAgg
    from matplotlib.figure import Figure
    import numpy as np

    import wx
    import wx.xrc as xrc

    ERR_TOL = 1e-5  # floating point slop for peak-detection


    matplotlib.rc('image', origin='lower')


    class PlotPanel(wx.Panel):
        def __init__(self, parent):
            wx.Panel.__init__(self, parent, -1)

            self.fig = Figure((5, 4), 75)
            self.canvas = FigureCanvasWxAgg(self, -1, self.fig)
            self.toolbar = Toolbar(self.canvas)  # matplotlib toolbar
            self.toolbar.Realize()
            # self.toolbar.set_active([0,1])

            # Now put all into a sizer
            sizer = wx.BoxSizer(wx.VERTICAL)
            # This way of adding to sizer allows resizing
            sizer.Add(self.canvas, 1, wx.LEFT | wx.TOP | wx.GROW)
            # Best to allow the toolbar to resize!
            sizer.Add(self.toolbar, 0, wx.GROW)
            self.SetSizer(sizer)
            self.Fit()

        def init_plot_data(self):
            a = self.fig.add_subplot(111)

            x = np.arange(120.0) * 2 * np.pi / 60.0
            y = np.arange(100.0) * 2 * np.pi / 50.0
            self.x, self.y = np.meshgrid(x, y)
            z = np.sin(self.x) + np.cos(self.y)
            self.im = a.imshow(z, cmap=cm.RdBu)  # , interpolation='nearest')

            zmax = np.max(z) - ERR_TOL
            ymax_i, xmax_i = np.nonzero(z >= zmax)
            if self.im.origin == 'upper':
                ymax_i = z.shape[0] - ymax_i
            self.lines = a.plot(xmax_i, ymax_i, 'ko')

            self.toolbar.update()  # Not sure why this is needed - ADS

        def GetToolBar(self):
            # You will need to override GetToolBar if you are using an
            # unmanaged toolbar in your frame
            return self.toolbar

        def OnWhiz(self, evt):
            self.x += np.pi / 15
            self.y += np.pi / 20
            z = np.sin(self.x) + np.cos(self.y)
            self.im.set_array(z)

            zmax = np.max(z) - ERR_TOL
            ymax_i, xmax_i = np.nonzero(z >= zmax)
            if self.im.origin == 'upper':
                ymax_i = z.shape[0] - ymax_i
            self.lines[0].set_data(xmax_i, ymax_i)

            self.canvas.draw()

        def onEraseBackground(self, evt):
            # this is supposed to prevent redraw flicker on some X servers...
            pass


    class MyApp(wx.App):
        def OnInit(self):
            xrcfile = cbook.get_sample_data('embedding_in_wx3.xrc',
                                            asfileobj=False)
            print('loading', xrcfile)

            self.res = xrc.XmlResource(xrcfile)

            # main frame and panel ---------

            self.frame = self.res.LoadFrame(None, "MainFrame")
            self.panel = xrc.XRCCTRL(self.frame, "MainPanel")

            # matplotlib panel -------------

            # container for matplotlib panel (I like to make a container
            # panel for our panel so I know where it'll go when in XRCed.)
            plot_container = xrc.XRCCTRL(self.frame, "plot_container_panel")
            sizer = wx.BoxSizer(wx.VERTICAL)

            # matplotlib panel itself
            self.plotpanel = PlotPanel(plot_container)
            self.plotpanel.init_plot_data()

            # wx boilerplate
            sizer.Add(self.plotpanel, 1, wx.EXPAND)
            plot_container.SetSizer(sizer)

            # whiz button ------------------
            whiz_button = xrc.XRCCTRL(self.frame, "whiz_button")
            whiz_button.Bind(wx.EVT_BUTTON, self.plotpanel.OnWhiz)

            # bang button ------------------
            bang_button = xrc.XRCCTRL(self.frame, "bang_button")
            bang_button.Bind(wx.EVT_BUTTON, self.OnBang)

            # final setup ------------------
            sizer = self.panel.GetSizer()
            self.frame.Show(1)

            self.SetTopWindow(self.frame)

            return True

        def OnBang(self, event):
            bang_count = xrc.XRCCTRL(self.frame, "bang_count")
            bangs = bang_count.GetValue()
            bangs = int(bangs) + 1
            bang_count.SetValue(str(bangs))

    if __name__ == '__main__':
        app = MyApp(0)
        app.MainLoop()

**Total running time of the script:** ( 0 minutes  0.000 seconds)



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     :download:`Download Python source code: embedding_in_wx3_sgskip.py <embedding_in_wx3_sgskip.py>`



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