Changeset 337 for trunk/src/signals.py

Timestamp:

11/13/08 15:41:12 (4 years ago)

Author:

emuller

Message:

shotnoise_fromspikes fixed
AnalogSignal?.time_slice was changed to not assume t_start=0.0

Files:

• trunk/src/signals.py (modified) (1 diff)

trunk/src/signals.py

@@ -2288 +2288 @@
             t_stop  - end of the new SpikeTrain, in ms.
         """
-        signal = self.signal[numpy.floor(t_start/self.dt):numpy.floor(t_stop/self.dt)]
-        return AnalogSignal(signal, self.dt, t_start, t_stop)
+        assert t_start>self.t_start
+        assert t_stop<=self.t_stop
+        assert t_stop>t_start
+
+        t = self.time_axis()
+        i_start = numpy.searchsorted(t,t_start,'right')-1
+        i_stop = numpy.searchsorted(t,t_stop,'right')-1
+
+        signal = self.signal[i_start:i_stop]
+        result = AnalogSignal(signal, self.dt, 0.0, t_stop-t_start)
+        result.time_offset(t_start)
+        return result
 
     def threshold_detection(self, threshold=None, format=None):