Beispiel: wxPython Balkendiagramme

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gerold
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Beispiel: wxPython Balkendiagramme

Beitragvon gerold » Dienstag 15. Mai 2007, 11:06

Dieses Beispiel soll eine Möglichkeit aufzeigen, wie man mit wxPython Balkendiagramme erstellen kann.

Bild

Code: Alles auswählen

#!/usr/bin/env python
# -*- coding: iso-8859-15 -*-

import wx
import wx.lib.plot as plot


wx.SetDefaultPyEncoding("iso-8859-15")


class MyFrame(wx.Frame):
   
    def __init__(
        self, parent = None, id = -1, title = "Example", size = wx.Size(500, 500)
    ):
        wx.Frame.__init__(self, parent, id, title, size = size)
       
        panel = wx.Panel(self)
       
        vbox_main = wx.BoxSizer(wx.VERTICAL)
        panel.SetSizer(vbox_main)
       
        vbox = wx.BoxSizer(wx.VERTICAL)
        vbox_main.Add(vbox, 1, wx.ALL | wx.EXPAND, 5)
       
        #----------------------------------------------------------------------
        #
        # Beispiel: Horizontale Balken
        #
        #----------------------------------------------------------------------
        hor_canvas = plot.PlotCanvas(panel)
        vbox.Add(hor_canvas, 1, wx.EXPAND | wx.ALL, 5)
       
        hor_lines = (
            plot.PolyLine(((0, 1), (10, 1)), colour = "green", legend = u" Jänner", width = 10),
            plot.PolyLine(((0, 2), (20, 2)), colour = "blue", legend = u" Februar", width = 10),
            plot.PolyLine(((0, 3), (30, 3)), colour = "gray", legend = u" März", width = 10),
            plot.PolyLine(((0, 4), (10, 4)), colour = "yellow", legend = u" April", width = 10),
            plot.PolyLine(((0, 5), (20, 5)), colour = "magenta", legend = u" Mai", width = 10),
            plot.PolyLine(((0, 6), (20, 6)), colour = "orange", legend = u" Juni", width = 10),
            plot.PolyLine(((0, 7), (10, 7)), colour = "brown", legend = u" Juli", width = 10),
        )
       
        hor_graphics = plot.PlotGraphics(
            objects = hor_lines, title = u"Monatsübersicht horizontal", xLabel = u"Anzahl Verkäufe",
            yLabel = u"Monate"
        )
       
        hor_canvas.SetFont(wx.Font(10,wx.SWISS,wx.NORMAL,wx.NORMAL))
        hor_canvas.SetFontSizeAxis(10)
        hor_canvas.SetFontSizeLegend(7)
        hor_canvas.SetEnableLegend(True)
        hor_canvas.SetXSpec('auto')
        hor_canvas.SetYSpec('auto')
       
        hor_canvas.Draw(hor_graphics, yAxis = (0, 8))
       
       
        #----------------------------------------------------------------------
        #
        # Beispiel: Vertikale Balken
        #
        #----------------------------------------------------------------------
        vert_canvas = plot.PlotCanvas(panel)
        vbox.Add(vert_canvas, 1, wx.EXPAND | wx.ALL, 5)
       
        vert_lines = (
            plot.PolyLine(((1, 0), (1, 10)), colour = "green", legend = u" Jänner", width = 10),
            plot.PolyLine(((2, 0), (2, 20)), colour = "blue", legend = u" Februar", width = 10),
            plot.PolyLine(((3, 0), (3, 30)), colour = "gray", legend = u" März", width = 10),
            plot.PolyLine(((4, 0), (4, 10)), colour = "yellow", legend = u" April", width = 10),
            plot.PolyLine(((5, 0), (5, 20)), colour = "magenta", legend = u" Mai", width = 10),
            plot.PolyLine(((6, 0), (6, 20)), colour = "orange", legend = u" Juni", width = 10),
            plot.PolyLine(((7, 0), (7, 10)), colour = "brown", legend = u" Juli", width = 10),
        )
       
        vert_graphics = plot.PlotGraphics(
            objects = vert_lines, title = u"Monatsübersicht vertikal", xLabel = u"Monate",
            yLabel = u"Anzahl Verkäufe"
        )
       
        vert_canvas.SetFont(wx.Font(10,wx.SWISS,wx.NORMAL,wx.NORMAL))
        vert_canvas.SetFontSizeAxis(10)
        vert_canvas.SetFontSizeLegend(7)
        vert_canvas.SetEnableLegend(True)
        vert_canvas.SetXSpec('auto')
        vert_canvas.SetYSpec('auto')
       
        vert_canvas.Draw(vert_graphics, xAxis = (0, 8))


def main():
    """Testing"""
   
    app = wx.PySimpleApp()
    f = MyFrame()
    f.Center()
    f.Show()
    app.MainLoop()


if __name__ == "__main__":
    main()

mfg
Gerold
:-)

Stichworte: Diagramm Graph Balken Balkendiagramm
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