Index: trunk/ppMerge/src/ppMergeOptions.h
===================================================================
--- trunk/ppMerge/src/ppMergeOptions.h	(revision 7073)
+++ trunk/ppMerge/src/ppMergeOptions.h	(revision 9325)
@@ -22,6 +22,9 @@
     bool scale;                         // Scale by the background before combining?
     bool exptime;                       // Normalise by the exposure time?
+    bool shutter;                       // Generate shutter correction?
     unsigned int sample;                // Sampling factor for measuring the background
-    psStatsOptions background;          // Statistic to use to measure the background
+    psStatsOptions mean;                // Statistic to use to measure the mean
+    psStatsOptions stdev;               // Statistic to use to measure the stdev
+    int shutterSize;                    // Size for shutter measurement regions
     ppOnOff onOff;                      // On/off pairs?
     pmCombineParams *combine;           // Combination parameters