Index: trunk/ppStack/src/ppStackReadout.c
===================================================================
--- trunk/ppStack/src/ppStackReadout.c	(revision 14851)
+++ trunk/ppStack/src/ppStackReadout.c	(revision 14852)
@@ -13,7 +13,8 @@
 #define WCS_TOLERANCE 0.001             // Tolerance for WCS
 
-#define CONVOLUTION_FILES
-#define REJECTION_FILES
-#define INSPECTION_FILES
+#define NO_CONVOLUTION                  // Don't perform convolutions?
+#define CONVOLUTION_FILES               // Write convolutions?
+#define REJECTION_FILES                 // Write rejection mask?
+#define INSPECTION_FILES                // Write inspection mask?
 
 bool ppStackReadout(pmConfig *config, const pmFPAview *view)
@@ -85,4 +86,6 @@
 #endif
         totExposure += exposure;        // Total exposure time
+
+#ifdef NO_CONVOLVE
         // Generate convolved version of input
         pmReadout *convolved = pmReadoutAlloc(NULL); // Convolved version of input readout
@@ -99,4 +102,7 @@
             return false;
         }
+#else
+        convolved = psMemIncrRefCounter(ro);
+#endif
 
 #ifdef CONVOLUTION_FILES