Index: trunk/psphot/src/psphotFindFootprints.c
===================================================================
--- trunk/psphot/src/psphotFindFootprints.c	(revision 24274)
+++ trunk/psphot/src/psphotFindFootprints.c	(revision 25755)
@@ -1,5 +1,5 @@
 # include "psphotInternal.h"
 
-bool psphotFindFootprints (pmDetections *detections, psImage *significance, pmReadout *readout, psMetadata *recipe, const int pass, psImageMaskType maskVal) {
+bool psphotFindFootprints (pmDetections *detections, psImage *significance, pmReadout *readout, psMetadata *recipe, const float threshold, const int pass, psImageMaskType maskVal) {
 
     bool status;
@@ -9,17 +9,4 @@
     int npixMin = psMetadataLookupS32(&status, recipe, "FOOTPRINT_NPIXMIN");
     PS_ASSERT (status, false);
-
-    float FOOTPRINT_NSIGMA_LIMIT;
-    if (pass == 1) {
-        FOOTPRINT_NSIGMA_LIMIT = psMetadataLookupS32(&status, recipe, "FOOTPRINT_NSIGMA_LIMIT");
-    } else {
-        FOOTPRINT_NSIGMA_LIMIT = psMetadataLookupS32(&status, recipe, "FOOTPRINT_NSIGMA_LIMIT_2");
-    }
-    PS_ASSERT (status, false);
-
-    // XXX do we need to use the same threshold here as for peaks?  does it make sense for
-    // these to be different?
-
-    float threshold = PS_SQR(FOOTPRINT_NSIGMA_LIMIT);
 
     int growRadius = 0;