Use existing backend to get the trajectory from the process.

[closes #218] [ref OpenBioSim/biosimspace_tutorials#17]
OpenBioSim · Dec 7, 2023 · d3e74dd · d3e74dd
1 parent fe41a76
commit d3e74dd
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/python/BioSimSpace/Sandpit/Exscientia/Trajectory/_trajectory.py b/python/BioSimSpace/Sandpit/Exscientia/Trajectory/_trajectory.py
@@ -921,9 +921,9 @@ def nFrames(self):
             The number of trajectory frames.
         """
 
-        # First get the current MDTraj object.
+        # First get the current trajectory object using the existing backend.
         if self._process is not None and self._process.isRunning():
-            self._trajectory = self.getTrajectory()
+            self._trajectory = self.getTrajectory(format=self._backend)
 
         # There is no trajectory.
         if self._trajectory is None:

diff --git a/python/BioSimSpace/Trajectory/_trajectory.py b/python/BioSimSpace/Trajectory/_trajectory.py
@@ -921,9 +921,9 @@ def nFrames(self):
             The number of trajectory frames.
         """
 
-        # First get the current MDTraj object.
+        # First get the current trajectory object using the existing backend.
         if self._process is not None and self._process.isRunning():
-            self._trajectory = self.getTrajectory()
+            self._trajectory = self.getTrajectory(format=self._backend)
 
         # There is no trajectory.
         if self._trajectory is None: