Index: trunk/psModules/src/imcombine/pmSubtractionKernels.h
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionKernels.h	(revision 14455)
+++ trunk/psModules/src/imcombine/pmSubtractionKernels.h	(revision 14521)
@@ -6,4 +6,5 @@
 /// Type of subtraction kernel
 typedef enum {
+    PM_SUBTRACTION_KERNEL_NONE,         ///< Nothing --- an error
     PM_SUBTRACTION_KERNEL_POIS,         ///< Pan-STARRS Optimal Image Subtraction --- delta functions
     PM_SUBTRACTION_KERNEL_ISIS,         ///< Traditional kernel --- gaussians modified by polynomials
@@ -91,3 +92,8 @@
     );
 
+/// Return the appropriate type from a string
+pmSubtractionKernelsType pmSubtractionKernelsTypeFromString(const char *string // String name for kernel type
+    );
+
+
 #endif