Index: trunk/psModules/src/objects/pmSource.c
===================================================================
--- trunk/psModules/src/objects/pmSource.c	(revision 37245)
+++ trunk/psModules/src/objects/pmSource.c	(revision 37321)
@@ -176,4 +176,7 @@
     source->parent = NULL;
     source->tmpPtr = NULL;
+    source->chipNum = -1;
+    source->chipX = -1000;
+    source->chipY = -1000;
     source->imageID = -1;
     source->nFrames = 0;
Index: trunk/psModules/src/objects/pmSource.h
===================================================================
--- trunk/psModules/src/objects/pmSource.h	(revision 37245)
+++ trunk/psModules/src/objects/pmSource.h	(revision 37321)
@@ -127,4 +127,7 @@
     pmSource *parent;			///< reference to the master source from which this is derived
     psPtr *tmpPtr;                      ///< pointer that may be used to store data in a particular module. e.g. psphotKronIterate.
+    short chipNum;                      ///< camera dependent of chip suppling pixels for fullforce source
+    short chipX;                        ///< chip space X coord of fullforce source
+    short chipY;                        ///< chip space Y coord of fullforce source
     int imageID;
     psU16 nFrames;
Index: trunk/psModules/src/objects/pmSourceIO_CMF.c.in
===================================================================
--- trunk/psModules/src/objects/pmSourceIO_CMF.c.in	(revision 37245)
+++ trunk/psModules/src/objects/pmSourceIO_CMF.c.in	(revision 37321)
@@ -221,4 +221,12 @@
 	  @>PS1_V4@               psMetadataAdd (row, PS_LIST_TAIL, "LENS_E2_SH_PSF",   PS_DATA_F32, "shear polarizability element (objects)",     source->lensingPSF->shear->e2); 
 	}
+
+        // if lensing params exist also include the backmapped chipID and chip coordinates
+	if (source->lensingPSF && source->lensingPSF->shear) {
+            @>PS1_V4@               psMetadataAdd (row, PS_LIST_TAIL, "SRC_CHIP_NUM",   PS_DATA_S16, "id of warp input chip",     source->chipNum); 
+            @>PS1_V4@               psMetadataAdd (row, PS_LIST_TAIL, "SRC_CHIP_X",    PS_DATA_S16, "x coord in warp input chip",     source->chipX); 
+            @>PS1_V4@               psMetadataAdd (row, PS_LIST_TAIL, "SRC_CHIP_Y",    PS_DATA_S16, "y coord in warp input chip",     source->chipY); 
+            @>PS1_V4@               psMetadataAdd (row, PS_LIST_TAIL, "PADDING3",      PS_DATA_S16, "more padding", 0);
+        }
 
         @>PS1_V2,PS1_SV?,>PS1_DV1@ psMetadataAdd (row, PS_LIST_TAIL, "MOMENTS_R1",       PS_DATA_F32, "first radial moment",                        moments.Mrf);