Raise if catalog for source selection is empty

lsst · May 16, 2024 · 62961ba · 62961ba
1 parent 0603fd7
commit 62961ba
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/python/lsst/meas/algorithms/sourceSelector.py b/python/lsst/meas/algorithms/sourceSelector.py
@@ -113,6 +113,9 @@ def run(self, sourceCat, sourceSelectedField=None, matches=None, exposure=None):
             if not sourceCat.isContiguous():
                 raise RuntimeError("Input catalogs for source selection must be contiguous.")
 
+        if len(sourceCat) == 0:
+            raise RuntimeError("Input catalog for source selection is empty.")
+
         result = self.selectSources(sourceCat=sourceCat,
                                     exposure=exposure,
                                     matches=matches)