Psst.. new poll here.
Psst.. new forums here.
Microsoft is blocking us again (TY IP Reputation!) so dont bother with any of their useless mail servers here and just use oauth login instead. Thank the nice Russians for causing that. :)
Paste
Pasted as Python by eliben ( 17 years ago )
#!/usr/bin/python
# -*-coding: cp1251 -*-
import os
import pprint
import random
import sys
import wx
import matplotlib
matplotlib.use('WXAgg')
from matplotlib.figure import Figure
from matplotlib.backends.backend_wxagg import (
FigureCanvasWxAgg as FigCanvas,
NavigationToolbar2WxAgg as NavigationToolbar)
import numpy as np
import pylab
class DataGen(object):
def __init__(self, init=50):
self.data = self.init = init
def next(self):
self._recalc_data()
return self.data
def _recalc_data(self):
delta = random.uniform(-0.5, 0.5)
r = random.random()
if r > 0.9:
self.data += delta * 15
elif r > 0.8:
delta += (0.5 if self.init > self.data else -0.5)
self.data += delta
else:
self.data += delta
# ?????? ????????? ??????, ????? ?? ?????? ????? ???????? 50
class DataGen2(object):
def __init__(self, init=50):
self.data2=self.init2=init
def next(self):
self._recalc_data2()
return self.data2
def _recalc_data2(self):
self.data2=50
class GraphFrame(wx.Frame):
title = 'Demo: dynamic matplotlib graph'
def __init__(self):
wx.Frame.__init__(self, None, -1, self.title, size=(600, 600))
self.datagen = DataGen()
self.data = [self.datagen.next()]
# ??? ??? ???????? ?????? ??? ??????? ???????
self.datagen2 = DataGen2()
self.data2 = [self.datagen2.next()]
self.paused = False
self.create_menu()
self.create_status_bar()
self.create_main_panel()
self.redraw_timer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.on_redraw_timer, self.redraw_timer)
self.redraw_timer.Start(100)
def create_menu(self):
self.menubar = wx.MenuBar()
menu_file = wx.Menu()
m_expt = menu_file.Append(-1, "&Save plot Ctrl-S", "Save plot to file")
self.Bind(wx.EVT_MENU, self.on_save_plot, m_expt)
menu_file.AppendSeparator()
m_exit = menu_file.Append(-1, "E&xit Ctrl-X", "Exit")
self.Bind(wx.EVT_MENU, self.on_exit, m_exit)
self.menubar.Append(menu_file, "&File")
self.SetMenuBar(self.menubar)
def create_main_panel(self):
self.panel = wx.Panel(self)
self.init_plot()
self.canvas = FigCanvas(self.panel, -1, self.fig)
self.pause_button = wx.Button(self.panel, -1, "Pause")
self.Bind(wx.EVT_BUTTON, self.on_pause_button, self.pause_button)
self.Bind(wx.EVT_UPDATE_UI, self.on_update_pause_button, self.pause_button)
self.hbox1 = wx.BoxSizer(wx.HORIZONTAL)
self.hbox1.Add(self.pause_button, border=5, flag=wx.ALL | wx.ALIGN_CENTER_VERTICAL)
self.vbox = wx.BoxSizer(wx.VERTICAL)
self.vbox.Add(self.canvas, 1, flag=wx.LEFT | wx.TOP | wx.GROW)
self.vbox.Add(self.hbox1, 0, flag=wx.ALIGN_LEFT | wx.TOP)
self.panel.SetSizer(self.vbox)
self.vbox.Fit(self)
def create_status_bar(self):
self.statusbar = self.CreateStatusBar()
def init_plot(self):
self.dpi = 100
self.fig = Figure((3.0, 3.0), dpi=self.dpi)
self.axes = self.fig.add_subplot(311)
self.axes.set_axis_bgcolor('black')
self.axes.set_title('Very important random data', size=12)
self.axes2 = self.fig.add_subplot(313)
self.axes2.set_axis_bgcolor('black')
self.axes2.set_title('Very important random data', size=12)
pylab.setp(self.axes.get_xticklabels(), fontsize=8)
pylab.setp(self.axes.get_yticklabels(), fontsize=8)
self.plot_data = self.axes.plot(
self.data,
linewidth=1,
color=(1, 1, 0),
)[0]
# ??? ??? ?????? ??? ??????? ???????
self.plot_data2 = self.axes2.plot(
self.data2,
linewidth=1,
color=(1, 0, 0),
)[0]
# ? ??? ??? ???????? draw_plot ? ????????? ?? ????(((
def draw_plot(self):
self.axes.set_xbound(lower=0, upper=50)
self.axes.set_ybound(lower=0, upper=100)
self.axes.grid(True, color='gray')
pylab.setp(self.axes.get_xticklabels(), visible=True)
self.plot_data.set_xdata(np.arange(len(self.data)))
self.plot_data.set_ydata(np.array(self.data))
self.axes2.set_xbound(lower=0, upper=50)
self.axes2.set_ybound(lower=0, upper=100)
self.axes2.grid(True, color='gray')
pylab.setp(self.axes2.get_xticklabels(), visible=True)
self.plot_data2.set_xdata(np.arange(len(self.data2)))
self.plot_data2.set_ydata(np.array(self.data2))
self.canvas.draw()
def on_pause_button(self, event):
self.paused = not self.paused
def on_update_pause_button(self, event):
label = "Resume" if self.paused else "Pause"
self.pause_button.SetLabel(label)
def on_cb_grid(self, event):
self.draw_plot()
def on_cb_xlab(self, event):
self.draw_plot()
def on_save_plot(self, event):
file_choices = "PNG (*.png)|*.png"
dlg = wx.FileDialog(
self,
message="Save plot as...",
defaultDir=os.getcwd(),
defaultFile="plot.png",
wildcard=file_choices,
style=wx.SAVE)
if dlg.ShowModal() == wx.ID_OK:
path = dlg.GetPath()
self.canvas.print_figure(path, dpi=self.dpi)
self.flash_status_message("Saved to %s" % path)
def on_redraw_timer(self, event):
if not self.paused:
self.data.append(self.datagen.next())
self.data2.append(self.datagen2.next())
self.draw_plot()
def on_exit(self, event):
self.Destroy()
def flash_status_message(self, msg, flash_len_ms=1500):
self.statusbar.SetStatusText(msg)
self.timeroff = wx.Timer(self)
self.Bind(
wx.EVT_TIMER,
self.on_flash_status_off,
self.timeroff)
self.timeroff.Start(flash_len_ms, oneShot=True)
def on_flash_status_off(self, event):
self.statusbar.SetStatusText('')
if __name__ == '__main__':
app = wx.PySimpleApp()
app.frame = GraphFrame()
app.frame.Show()
app.MainLoop()
Revise this Paste