def __init__(self, parent, ID, **kws):
kws["style"] = wx.DEFAULT_FRAME_STYLE | wx.RESIZE_BORDER | wx.TAB_TRAVERSAL
wx.Frame.__init__(self, parent, ID, '', wx.DefaultPosition,
wx.Size(-1, -1), **kws)
self.SetTitle("wxmplot StripChart Demo")
self.tmin = 15.0
self.SetFont(wx.Font(12, wx.SWISS, wx.NORMAL, wx.BOLD, False))
menu = wx.Menu()
ID_EXIT = wx.NewId()
ID_TIMER = wx.NewId()
menu_exit = menu.Append(ID_EXIT, "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)
sbar = self.CreateStatusBar(2, wx.CAPTION)
sfont = sbar.GetFont()
sfont.SetWeight(wx.BOLD)
sfont.SetPointSize(11)
sbar.SetFont(sfont)
self.SetStatusWidths([-3, -1])
self.SetStatusText('', 0)
mainsizer = wx.BoxSizer(wx.VERTICAL)
btnpanel = wx.Panel(self, -1)
btnsizer = wx.BoxSizer(wx.HORIZONTAL)
b_on = wx.Button(btnpanel, -1, 'Start', size=(-1, -1))
b_off = wx.Button(btnpanel, -1, 'Stop', size=(-1, -1))
b_on.Bind(wx.EVT_BUTTON, self.onStartTimer)
b_off.Bind(wx.EVT_BUTTON, self.onStopTimer)
tlabel = wx.StaticText(btnpanel, -1, ' Time range:')
self.time_range = FloatCtrl(btnpanel,
size=(100, -1),
value=abs(self.tmin),
precision=1)
btnsizer.Add(b_on, 0, wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
btnsizer.Add(b_off, 0, wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
btnsizer.Add(
tlabel, 1,
wx.GROW | wx.ALL | wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
btnsizer.Add(self.time_range, 0,
wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
btnpanel.SetSizer(btnsizer)
btnsizer.Fit(btnpanel)
self.plotpanel = PlotPanel(self, messenger=self.write_message)
self.plotpanel.BuildPanel()
self.plotpanel.set_xlabel('Time from Present (s)')
mainsizer.Add(btnpanel, 0,
wx.GROW | wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
mainsizer.Add(
self.plotpanel, 1,
wx.GROW | wx.ALL | wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
self.SetSizer(mainsizer)
mainsizer.Fit(self)
self.Bind(wx.EVT_TIMER, self.onTimer)
self.timer = wx.Timer(self)
self.count = 0
self.Refresh()
wx.CallAfter(self.onStartTimer)
class StripChartFrame(wx.Frame):
def __init__(self, parent, ID, **kws):
kws["style"] = wx.DEFAULT_FRAME_STYLE | wx.RESIZE_BORDER | wx.TAB_TRAVERSAL
wx.Frame.__init__(self, parent, ID, '', wx.DefaultPosition,
wx.Size(-1, -1), **kws)
self.SetTitle("wxmplot StripChart Demo")
self.tmin = 15.0
self.SetFont(wx.Font(12, wx.SWISS, wx.NORMAL, wx.BOLD, False))
menu = wx.Menu()
ID_EXIT = wx.NewId()
ID_TIMER = wx.NewId()
menu_exit = menu.Append(ID_EXIT, "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)
sbar = self.CreateStatusBar(2, wx.CAPTION)
sfont = sbar.GetFont()
sfont.SetWeight(wx.BOLD)
sfont.SetPointSize(11)
sbar.SetFont(sfont)
self.SetStatusWidths([-3, -1])
self.SetStatusText('', 0)
mainsizer = wx.BoxSizer(wx.VERTICAL)
btnpanel = wx.Panel(self, -1)
btnsizer = wx.BoxSizer(wx.HORIZONTAL)
b_on = wx.Button(btnpanel, -1, 'Start', size=(-1, -1))
b_off = wx.Button(btnpanel, -1, 'Stop', size=(-1, -1))
b_on.Bind(wx.EVT_BUTTON, self.onStartTimer)
b_off.Bind(wx.EVT_BUTTON, self.onStopTimer)
tlabel = wx.StaticText(btnpanel, -1, ' Time range:')
self.time_range = FloatCtrl(btnpanel,
size=(100, -1),
value=abs(self.tmin),
precision=1)
btnsizer.Add(b_on, 0, wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
btnsizer.Add(b_off, 0, wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
btnsizer.Add(
tlabel, 1,
wx.GROW | wx.ALL | wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
btnsizer.Add(self.time_range, 0,
wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
btnpanel.SetSizer(btnsizer)
btnsizer.Fit(btnpanel)
self.plotpanel = PlotPanel(self, messenger=self.write_message)
self.plotpanel.BuildPanel()
self.plotpanel.set_xlabel('Time from Present (s)')
mainsizer.Add(btnpanel, 0,
wx.GROW | wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
mainsizer.Add(
self.plotpanel, 1,
wx.GROW | wx.ALL | wx.ALIGN_LEFT | wx.ALIGN_CENTER | wx.LEFT, 0)
self.SetSizer(mainsizer)
mainsizer.Fit(self)
self.Bind(wx.EVT_TIMER, self.onTimer)
self.timer = wx.Timer(self)
self.count = 0
self.Refresh()
wx.CallAfter(self.onStartTimer)
def write_message(self, msg, panel=0):
"""write a message to the Status Bar"""
self.SetStatusText(msg, panel)
def onStartTimer(self, event=None):
self.count = 0
t0, y0 = next_data()
self.ylist = [y0]
self.tlist = [t0]
self.tmin_last = -10000
self.time0 = time.time()
self.timer.Start(50)
def onStopTimer(self, event=None):
self.timer.Stop()
def onTimer(self, event):
self.count += 1
etime = time.time() - self.time0
self.tmin = float(self.time_range.GetValue())
t1, y1 = next_data()
self.tlist.append(t1)
self.ylist.append(y1)
tdat = np.array(self.tlist) - t1
mask = np.where(tdat > -abs(self.tmin))
ydat = np.array(self.ylist)
n = len(self.ylist)
if n <= 2:
self.plotpanel.plot(tdat, ydat)
else:
self.plotpanel.update_line(0, tdat, ydat, draw=True)
self.write_message(" %i points in %8.4f s" % (n, etime))
lims = self.plotpanel.get_viewlimits()
try:
ymin, ymax = ydat[mask].min(), ydat[mask].max()
except:
ymin, ymax = ydat.min(), ydat.max()
tmin = max(int(min(tdat)) - 1.0, -self.tmin)
if (ymin < lims[2] or ymax > lims[3] or tmin != self.tmin_last
or time.time() - self.last_update > 2):
self.tmin_last = tmin
self.last_update = time.time()
self.plotpanel.set_xylims((tmin, 0, ymin, ymax))
def OnAbout(self, event):
dlg = wx.MessageDialog(self, "wxmplot example: stripchart app",
"About WXMPlot test",
wx.OK | wx.ICON_INFORMATION)
dlg.ShowModal()
dlg.Destroy()
def OnExit(self, event):
self.Destroy()