def plotDataVersusData(self,
xData,
xBounds,
yData,
yBounds,
name,
connectPoints,
windowSize=None):
if not windowSize: windowSize = self.windowSize
if len(xData) == 0:
print 'X Data stream', name, 'empty: skipping plot'
return
if len(yData) == 0:
print 'Y Data stream', name, 'empty: skipping plot'
return
(xLower, xUpper) = self.getBounds(xData, xBounds)
(yLower, yUpper) = self.getBounds(yData, yBounds)
# if len(self.plotWindows) > self.plotWindowIdx:
# w = self.plotWindows[self.plotWindowIdx]
# w.reopenWindow(windowSize, windowSize,
# xLower, xUpper, yLower, yUpper, name)
# self.plotWindowIdx += 1
# else:
w = gw.GraphingWindow(windowSize, windowSize, xLower, xUpper, yLower,
yUpper, name)
self.plotWindows.append(w)
if connectPoints:
w.graphContinuousSet(xData, yData)
else:
w.graphPointSet(xData, yData)
def plot(self,
start=0,
end=100,
newWindow='Signal value versus time',
color='blue',
parent=None,
ps=None,
xminlabel=0,
xmaxlabel=0,
yOrigin=None): # bkph
"""
Make a plot of this signal.
:param start: first value to plot; defaults to 0
:param end: last value to plot; defaults to 100; must be > start
:param newWindow: makes a new window with this value as title,
unless the value is False, in which case it plots the signal
in the currently active plotting window
:param color: string specifying color of plot; all simple
color names work
:param parent: An instance of ``tk.tk``. You probably should
just leave this at the default unless you're making plots
from another application.
:param ps: If not ``None``, then it should be a pathname;
we'll write a postscript version of this graph to that path.
"""
samples = [self.sample(i) for i in range(start, end)]
if len(samples) == 0:
raise Exception, 'Plot range is empty'
if yOrigin == None:
minY = min(samples)
else:
minY = yOrigin
maxY = max(samples)
if maxY == minY:
margin = 1.0
else:
# margin = (maxY - minY) * 0.05
margin = 0 # override bkph
if newWindow == True or newWindow == False:
title = 'Signal value vs time'
else:
title = newWindow
if parent:
# Make a window under a different tk parent
w = gw.GraphingWindow(\
graphwidth, graphheight, start, end,
minY-margin, maxY+margin, title, parent,
xminlabel = xminlabel, xmaxlabel = xmaxlabel) # bkph
else:
# Use this class's tk instance
if newWindow or Signal.__w == None:
Signal.__w = gw.GraphingWindow(\
graphwidth, graphheight, start, end,
minY-margin, maxY+margin, title,
xminlabel = xminlabel, xmaxlabel = xmaxlabel) # bkph
w = Signal.__w
def sam(n):
if n >= start:
return samples[n - start]
else:
raise Exception
w.graphDiscrete(sam, color)
if ps:
w.postscript(ps)