Index: trunk/psModules/src/camera/pmReadoutStack.h
===================================================================
--- trunk/psModules/src/camera/pmReadoutStack.h	(revision 16600)
+++ trunk/psModules/src/camera/pmReadoutStack.h	(revision 17228)
@@ -4,4 +4,7 @@
 #include "pmHDU.h"
 #include "pmFPA.h"
+
+#define PM_READOUT_STACK_ANALYSIS_COUNT "STACK.COUNT" // Name for count image in analysis metadata
+#define PM_READOUT_STACK_ANALYSIS_SIGMA "STACK.SIGMA" // Name for sigma image in analysis metadata
 
 /// Update an output readout (for a stack) with the correct col0,row0 and the image size
@@ -21,4 +24,11 @@
     );
 
+/// Return an image from analysis metadata, produced while stacking
+psImage *pmReadoutAnalysisImage(pmReadout *readout, // Readout containing image
+                                const char *name, // Name of image in analysis metadata
+                                int numCols, int numRows, // Expected size of image
+                                psElemType type, // Expected type of image
+                                double init // Initial value
+    );
 
 #endif