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import sys
import time, os, sys
from numpy import arange, sin, cos, exp, pi, linspace, ones, random
import wx
from wxmplot.plotframe import PlotFrame
class TestFrame(wx.Frame):
def __init__(self, parent=None, *args,**kwds):
kwds["style"] = wx.DEFAULT_FRAME_STYLE|wx.RESIZE_BORDER|wx.TAB_TRAVERSAL
wx.Frame.__init__(self, parent, -1, '',
wx.DefaultPosition, wx.Size(-1,-1), **kwds)
self.SetTitle(" WXMPlot Plotting Demo")
self.SetFont(wx.Font(12,wx.SWISS,wx.NORMAL,wx.BOLD,False))
menu = wx.Menu()
menu_exit = menu.Append(-1, "E&xit", "Terminate the program")
menuBar = wx.MenuBar()
menuBar.Append(menu, "&File");
self.SetMenuBar(menuBar)
self.Bind(wx.EVT_MENU, self.OnExit, menu_exit)
self.Bind(wx.EVT_CLOSE, self.OnExit)
self.plotframe = None
self.create_data()
framesizer = wx.BoxSizer(wx.VERTICAL)
panel = wx.Panel(self, -1, size=(-1, -1))
panelsizer = wx.BoxSizer(wx.VERTICAL)
panelsizer.Add( wx.StaticText(panel, -1, 'wxmplot PlotPanel examples '),
0, wx.ALIGN_LEFT|wx.LEFT|wx.EXPAND, 10)
b10 = wx.Button(panel, -1, 'Example #1', size=(-1,-1))
b20 = wx.Button(panel, -1, 'Example #2', size=(-1,-1))
b22 = wx.Button(panel, -1, 'Plot with 2 axes', size=(-1,-1))
b31 = wx.Button(panel, -1, 'Plot with Errorbars', size=(-1,-1))
b32 = wx.Button(panel, -1, 'SemiLog Plot', size=(-1,-1))
b40 = wx.Button(panel, -1, 'Start Timed Plot', size=(-1,-1))
b50 = wx.Button(panel, -1, 'Stop Timed Plot', size=(-1,-1))
b60 = wx.Button(panel, -1, 'Plot 500,000 points', size=(-1,-1))
bmany1 = wx.Button(panel, -1, 'Plot 20 traces (delay_draw=False)', size=(-1,-1))
bmany2 = wx.Button(panel, -1, 'Plot 20 traces (delay_draw=True)', size=(-1,-1))
bmany3 = wx.Button(panel, -1, 'Plot 20 traces (use plot_many())', size=(-1,-1))
b10.Bind(wx.EVT_BUTTON,self.onPlot1)
b20.Bind(wx.EVT_BUTTON,self.onPlot2)
b22.Bind(wx.EVT_BUTTON,self.onPlot2Axes)
b31.Bind(wx.EVT_BUTTON,self.onPlotErr)
b32.Bind(wx.EVT_BUTTON,self.onPlotSLog)
b40.Bind(wx.EVT_BUTTON,self.onStartTimer)
b50.Bind(wx.EVT_BUTTON,self.onStopTimer)
b60.Bind(wx.EVT_BUTTON,self.onPlotBig)
bmany1.Bind(wx.EVT_BUTTON,self.onPlotMany_Slow)
bmany2.Bind(wx.EVT_BUTTON,self.onPlotMany_Delay)
bmany3.Bind(wx.EVT_BUTTON,self.onPlotMany_Fast)
panelsizer.Add(b10, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(b20, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(b22, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(b31, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(b32, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(b40, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(b50, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(b60, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(bmany1, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(bmany2, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(bmany3, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panel.SetSizer(panelsizer)
panelsizer.Fit(panel)
framesizer.Add(panel, 0, wx.ALIGN_LEFT|wx.EXPAND,2)
self.SetSizer(framesizer)
framesizer.Fit(self)
self.Bind(wx.EVT_TIMER, self.onTimer)
self.timer = wx.Timer(self)
self.Refresh()
def create_data(self):
self.count = 0
self.x = x = arange(0.0,25.0,0.1)
self.y1 = 4*cos(2*pi*(x-1)/5.7)/(6+x) + 2*sin(2*pi*(x-1)/2.2)/(10)
self.y2 = sin(2*pi*x/30.0)
self.y3 = -pi + 2*(x/10. + exp(-(x-3)/5.0))
self.y4 = exp(0.01 + 0.5*x ) / (x+2)
self.y5 = 3000 * self.y3
self.npts = len(self.x)
self.bigx = linspace(0, 2500, 500000)
self.bigy = (sin(pi*self.bigx/140.0) +
cos(pi*self.bigx/277.0) +
cos(pi*self.bigx/820.0))
self.many_dlist = [(self.x, self.y1)]
for i in range(19):
self.many_dlist.append((self.x, sin(2*(i+1)*x/23.0)))
def ShowPlotFrame(self, do_raise=True, clear=True):
"make sure plot frame is enabled, and visible"
if self.plotframe is None:
self.plotframe = PlotFrame(self)
self.has_plot = False
try:
self.plotframe.Show()
except RuntimeError:
self.plotframe = PlotFrame(self)
self.plotframe.Show()
if do_raise:
self.plotframe.Raise()
if clear:
self.plotframe.panel.clear()
self.plotframe.reset_config()
def onPlot1(self,event=None):
self.ShowPlotFrame()
self.plotframe.plot(self.x,self.y1)
self.plotframe.oplot(self.x,self.y2)
self.plotframe.write_message("Plot 1")
def onPlot2(self,event=None):
self.ShowPlotFrame()
x = arange(100)
y1 = cos(pi*x/72)
y2 = sin(pi*x/23)
self.plotframe.plot(x, y1, color='red')
self.plotframe.oplot(x, y2, color='green3', marker='+')
self.plotframe.write_message("Plot 2")
def onPlotErr(self,event=None):
self.ShowPlotFrame()
npts = 81
x = linspace(0, 40.0, npts)
y = 0.4 * cos(x/2.0) + random.normal(scale=0.03, size=npts)
dy = 0.03 * (ones(npts) + random.normal(scale=0.2, size=npts))
self.plotframe.plot(x, y, dy=dy, color='red', linewidth=0,
xlabel='x', ylabel='y', marker='o',
title='Plot with error bars')
self.plotframe.write_message("Errorbars!")
def onPlot2Axes(self,event=None):
self.ShowPlotFrame()
self.plotframe.plot( self.x,self.y2, color='black',style='dashed')
self.plotframe.oplot(self.x,self.y5, color='red', side='right')
self.plotframe.write_message("Plot with 2 axes")
def onPlotSLog(self,event=None):
self.ShowPlotFrame()
self.plotframe.plot( self.x,self.y4,ylog_scale=True,
color='black',style='dashed')
self.plotframe.write_message("Semi Log Plot")
def onPlotBig(self,event=None):
self.ShowPlotFrame()
t0 = time.time()
self.plotframe.plot(self.bigx, self.bigy, marker='+', linewidth=0)
dt = time.time()-t0
self.plotframe.write_message(
"Plot array with npts=%i, elapsed time=%8.3f s" % (len(self.bigx),dt))
def onPlotMany_Slow(self, event=None):
self.ShowPlotFrame()
dlist = self.many_dlist
t0 = time.time()
opts = dict(title='Plot 20 traces without delay_draw',
show_legend=True, xlabel='x')
self.plotframe.plot(dlist[0][0], dlist[0][1], **opts)
for tdat in dlist[1:]:
self.plotframe.oplot(tdat[0], tdat[1])
dt = time.time()-t0
self.plotframe.write_message(
"Plot 20 traces without delay_draw, time=%8.3f s" % (dt))
def onPlotMany_Delay(self, event=None):
self.ShowPlotFrame()
dlist = self.many_dlist
t0 = time.time()
opts0 = dict(title='Plot 20 traces with delay_draw',
show_legend=True, xlabel='x', new=True, delay_draw=True)
opts1 = dict(new=False, delay_draw=True)
for i, tdat in enumerate(dlist):
opts = opts0 if i == 0 else opts1
if i == len(dlist)-1: opts['delay_draw'] = False
self.plotframe.oplot(tdat[0], tdat[1], **opts)
dt = time.time()-t0
self.plotframe.write_message(
"Plot 20 traces with delay_draw, time=%8.3f s" % (dt))
def onPlotMany_Fast(self, event=None):
self.ShowPlotFrame()
dlist = self.many_dlist
t0 = time.time()
opts = dict(title='Plot 20 traces using plot_many()',
show_legend=True, xlabel='x')
self.plotframe.plot_many(dlist, **opts)
dt = time.time()-t0
self.plotframe.write_message(
"Plot 20 traces with plot_many(), time=%8.3f s" % (dt))
def report_memory(i):
pid = os.getpid()
if os.name == 'posix':
mem = os.popen("ps -o rss -p %i" % pid).readlines()[1].split()[0]
else:
mem = 0
return int(mem)
def onStartTimer(self,event=None):
self.count = 0
self.up_count = 0
self.n_update = 1
self.datrange = None
self.time0 = time.time()
self.start_mem= self.report_memory()
self.timer.Start(10)
def onStopTimer(self,event=None):
self.timer.Stop()
def onTimer(self, event):
# print 'timer ', self.count, time.time()
self.count += 1
n = self.count
if n < 2:
self.ShowPlotFrame(do_raise=False, clear=False)
return
if n <= 3:
self.plotframe.plot(self.x[:n], self.y1[:n])# , grid=False)
else:
self.plotframe.update_line(0, self.x[:n], self.y1[:n], update_limits=True, draw=True)
etime = time.time() - self.time0
rate = n / max(0.004, etime)
s = " %i / %i points in %8.2f sec: %8.2f draws/sec" % (n,self.npts,etime, rate)
self.plotframe.write_message(s)
if n >= self.npts:
self.timer.Stop()
def OnAbout(self, event):
dlg = wx.MessageDialog(self, "This sample program shows some\n"
"examples of WXMPlot PlotFrame.\n"
"message dialog.",
"About WXMPlot test", wx.OK | wx.ICON_INFORMATION)
dlg.ShowModal()
dlg.Destroy()
def OnExit(self, event):
try:
if self.plotframe != None: self.plotframe.onExit()
except:
pass
self.Destroy()
if __name__ == '__main__':
app = wx.App()
f = TestFrame(None,-1)
f.Show(True)
app.MainLoop()
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