[Pybrainsim-activity] SF.net SVN: pybrainsim:[88] trunk/src/Experiment.py

[<rg...@us...>]

Revision: 88
          http://pybrainsim.svn.sourceforge.net/pybrainsim/?rev=88&view=rev
Author:   rgoj
Date:     2009-08-05 13:03:11 +0000 (Wed, 05 Aug 2009)

Log Message:
-----------
* Calculating epoch time points
* Added a commented out line that allows plotting of an ERP signal instead of the continous signal

Modified Paths:
--------------
    trunk/src/Experiment.py

Modified: trunk/src/Experiment.py
===================================================================
--- trunk/src/Experiment.py	2009-08-05 13:01:36 UTC (rev 87)
+++ trunk/src/Experiment.py	2009-08-05 13:03:11 UTC (rev 88)
@@ -35,7 +35,10 @@
         self.baseline = baseline
         self.epochDuration = epochDuration
 
-        self.timePoints = list(arange( 1.0/self.samplingFrequency, self.duration + 1.0/self.samplingFrequency, 1.0/self.samplingFrequency ))
+        timeStep = 1.0/self.samplingFrequency
+        self.timePoints = list(arange( timeStep, self.duration + timeStep, timeStep ))
+        epochStartTime = - timeStep * (self.baseline // timeStep)
+        self.epochTimePoints = list(arange( epochStartTime, self.epochDuration + epochStartTime, timeStep))
 
     def setSamplingFrequency(self, samplingFrequency):
         self.samplingFrequency = samplingFrequency
@@ -76,7 +79,6 @@
     def getRecordingSlice(self, sliceStart, sliceDuration, sliceChannel=0):
         startIndex = self.findNearestTimeIndex(sliceStart)
         endIndex = self.findNearestTimeIndex(sliceStart + sliceDuration)
-        #print str(startIndex) + "   " + str(endIndex)
         return self.recording[sliceChannel][startIndex:endIndex]
 
     def getERP(self, stimulusNumber=0):
@@ -94,6 +96,7 @@
 
     def plotRecording(self):
         plot(self.timePoints, self.recording[0], linewidth=1.0)
+        #plot(self.epochTimePoints, self.getERP(), linewidth=1.0)
 
         xlabel('Time (s)')
         ylabel('Amplitude')


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