Minimum number of track chunks

jobovy · Feb 2, 2016 · 52b6357 · 52b6357
1 parent 75c6823
commit 52b6357
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diff --git a/galpy/df_src/streamdf.py b/galpy/df_src/streamdf.py
@@ -850,6 +850,7 @@ def _determine_stream_track(self,nTrackChunks):
             self._nTrackChunks= int(numpy.floor(self._deltaAngleTrack/0.15))+1
         else:
             self._nTrackChunks= nTrackChunks
+        if self._nTrackChunks < 3: self._nTrackChunks= 3
         if not hasattr(self,'nInterpolatedTrackChunks'):
             self.nInterpolatedTrackChunks= 1001
         dt= self._deltaAngleTrack\

diff --git a/galpy/df_src/streamgapdf.py b/galpy/df_src/streamgapdf.py
@@ -772,6 +772,7 @@ def _determine_impact_coordtransform(self,deltaAngleTrackImpact,
             self._nTrackChunksImpact= int(numpy.floor(self._deltaAngleTrackImpact/0.15))+1
         else:
             self._nTrackChunksImpact= nTrackChunksImpact
+        if self._nTrackChunksImpact < 3: self._nTrackChunksImpact= 3
         dt= self._deltaAngleTrackImpact\
             /self._progenitor_Omega_along_dOmega\
             /self._sigMeanSign*self._gap_sigMeanSign