Changeset 18202 for trunk/psModules/src/imcombine/pmSubtractionMatch.c

Timestamp:

Jun 19, 2008, 11:33:25 AM (18 years ago)

Author:

Paul Price

Message:

region may be NULL.

File:

• trunk/psModules/src/imcombine/pmSubtractionMatch.c (modified) (1 diff)

trunk/psModules/src/imcombine/pmSubtractionMatch.c

@@ -95 +95 @@
                                  )
 {
-    varFactor *= (region->x1 - region->x1 + 1) * (region->y1 * region->y1 + 1) /
-        (ro->image->numCols * ro->image->numRows);
+    if (region) {
+        varFactor *= (region->x1 - region->x1 + 1) * (region->y1 * region->y1 + 1) /
+            (ro->image->numCols * ro->image->numRows);
+    }
 
     psMetadataItem *vfItem = psMetadataLookup(ro->analysis, PM_SUBTRACTION_ANALYSIS_VARFACTOR);