Index: branches/eam_branches/psphot.20100506/src/psphotStackImageLoop.c
===================================================================
--- branches/eam_branches/psphot.20100506/src/psphotStackImageLoop.c	(revision 27875)
+++ branches/eam_branches/psphot.20100506/src/psphotStackImageLoop.c	(revision 27876)
@@ -14,6 +14,10 @@
     pmReadout *readout;
 
-    pmFPAfile *input = psMetadataLookupPtr (&status, config->files, "PSPHOT.INPUT");
-    if (!status) {
+    pmFPAfile *inputRaw = psMetadataLookupPtr (&status, config->files, "PSPHOT.STACK.INPUT.RAW");
+    pmFPAfile *inputCnv = psMetadataLookupPtr (&status, config->files, "PSPHOT.STACK.INPUT.CNV");
+
+    pmFPAfile *input = inputRaw ? inputRaw : inputCnv;
+
+    if (!input) {
         psError(PSPHOT_ERR_PROG, false, "Can't find input data!");
         return false;
@@ -29,10 +33,10 @@
         psLogMsg ("psphot", 4, "Chip %d: %x %x\n", view->chip, chip->file_exists, chip->process);
         if (! chip->process || ! chip->file_exists) { continue; }
-        if (!pmFPAfileIOChecks (config, view, PM_FPA_BEFORE)) ESCAPE ("failed input for Chip in psphotStack.");
+        // if (!pmFPAfileIOChecks (config, view, PM_FPA_BEFORE)) ESCAPE ("failed input for Chip in psphotStack.");
 
         // there is now only a single chip (multiple readouts?). loop over it and process
         while ((cell = pmFPAviewNextCell (view, input->fpa, 1)) != NULL) {
             psLogMsg ("psphot", 5, "Cell %d: %x %x\n", view->cell, cell->file_exists, cell->process);
-	    if (!pmFPAfileIOChecks (config, view, PM_FPA_BEFORE)) ESCAPE ("failed input for Cell in psphotStack.");
+	    // if (!pmFPAfileIOChecks (config, view, PM_FPA_BEFORE)) ESCAPE ("failed input for Cell in psphotStack.");
 
             // process each of the readouts
@@ -41,6 +45,5 @@
                 if (! readout->data_exists) { continue; }
 
-# if (0)		
-		// uncomment to generate matched psfs
+		// PSF matching
 		if (!psphotStackMatchPSFs (config, view)) {
                     psError(psErrorCodeLast(), false, "failure in psphotStackMatchPSFs for chip %d, cell %d, readout %d\n", view->chip, view->cell, view->readout);
@@ -48,5 +51,4 @@
                     return false;
 		}
-# endif
 
 		// XXX for now, we assume there is only a single chip in the PHU: