Index: trunk/ppSim/src/ppSimSequenceFlat.c
===================================================================
--- trunk/ppSim/src/ppSimSequenceFlat.c	(revision 16500)
+++ trunk/ppSim/src/ppSimSequenceFlat.c	(revision 19080)
@@ -1,9 +1,11 @@
 # include "ppSimSequence.h"
 
-bool ppSimSequenceFlat (FILE *simfile, FILE *inject, psMetadata *sequence, int nSeq, psRandom *rng, const char *path, const char *basename, const char *injectCommand) {
+bool ppSimSequenceFlat (FILE *simfile, FILE *inject, psMetadata *sequence, int nSeq, psRandom *rng, const char *path, const char *basename, char *camera, const char *injectCommand) {
 
     bool status;
 
-    char *camera = psMetadataLookupStr (&status, sequence, "CAMERA");
+    if (camera == NULL) {
+	camera = psMetadataLookupStr (&status, sequence, "CAMERA");
+    }
 
     // determine the filters & exposure times