ImageDifferenceTask: Raise if doUseRegister and not doSelectSources

lsst · Oct 5, 2015 · 181c4a1 · 181c4a1
1 parent 5626528
commit 181c4a1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/python/lsst/pipe/tasks/imageDifference.py b/python/lsst/pipe/tasks/imageDifference.py
@@ -173,6 +173,10 @@ def validate(self):
             raise ValueError("Cannot run source measurement without source detection.")
         if self.doMerge and not self.doDetection:
             raise ValueError("Cannot run source merging without source detection.")
+        if self.doUseRegister and not self.doSelectSources:
+            raise ValueError("doUseRegister=True and doSelectSources=False. " +
+                             "Cannot run RegisterTask without selecting sources.")
+
 
 class ImageDifferenceTaskRunner(pipeBase.TaskRunner):
     @staticmethod