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import time, os, sys
from random import shuffle
import numpy as np
import wx
from wxmplot import ImageFrame
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 Image Scroll")
self.SetFont(wx.Font(12,wx.SWISS,wx.NORMAL,wx.BOLD,False))
menu = wx.Menu()
self.arrays = []
self.imageframe = None
framesizer = wx.BoxSizer(wx.VERTICAL)
panel = wx.Panel(self, -1, size=(-1, -1))
panelsizer = wx.BoxSizer(wx.VERTICAL)
panelsizer.Add( wx.StaticText(panel, -1, 'Show Images'),
0, wx.LEFT|wx.EXPAND, 10)
btn = wx.Button(panel, -1, 'start scrolling', size=(-1,-1))
btn.Bind(wx.EVT_BUTTON,self.onScrollImages)
btn2 = wx.Button(panel, -1, 'stop scrolling', size=(-1,-1))
btn2.Bind(wx.EVT_BUTTON,self.onStop)
self.msg = wx.StaticText(panel, label='000 images in 00.0000 seconds ', size=(500, -1))
panelsizer.Add(btn, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(btn2, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panelsizer.Add(self.msg, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER|wx.LEFT, 5)
panel.SetSizer(panelsizer)
panelsizer.Fit(panel)
framesizer.Add(panel, 0, wx.EXPAND, 2)
self.SetSizer(framesizer)
framesizer.Fit(self)
self.create_data()
self.ShowImageFrame()
self.count = 0
self.Bind(wx.EVT_TIMER, self.onTimer)
self.timer = wx.Timer(self)
self.Refresh()
def create_data(self):
nx = ny = 1001
print("Creating 240 images..")
for xoff in np.linspace(-2.5, 2.5, 20):
y, x = np.mgrid[-10+xoff:10+xoff:nx*1j, -10:10:nx*1j]
for xscale in (4.5, 5.0, 6.0):
for yscale in (0.8, 1.0, 1.1, 1.2):
dat = np.sin(x*x/xscale + y*y/yscale)/(1 + (x+y)*(x+y))
dat += np.random.normal(scale=0.12, size=(nx, ny))
self.arrays.append(dat)
shuffle(self.arrays)
print("Built %d arrays, shape=%s" % (len(self.arrays), repr(dat.shape)))
def ShowImageFrame(self):
if self.imageframe is None:
self.imageframe = ImageFrame(self)
try:
self.imageframe.Show()
except RuntimeError:
self.imageframe = Imageframe(self)
self.imageframe.Show()
self.imageframe.display(self.arrays[0])
self.imageframe.Raise()
def onTimer(self, event):
self.count += 1
message = " %d images in %.3f sec" % (self.count,
time.time()-self.t0)
self.msg.SetLabel(message)
wx.CallAfter(self.imageframe.panel.update_image,
self.arrays[self.count % len(self.arrays)])
def onScrollImages(self,event=None):
self.ShowImageFrame()
self.count = 0
self.t0 = time.time()
self.timer.Start(10)
def onStop(self,event=None):
self.timer.Stop()
if __name__ == '__main__':
app = wx.App()
f = TestFrame(None,-1)
f.Show(True)
app.MainLoop()
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