Index: trunk/ppStack/src/ppStackArguments.c
===================================================================
--- trunk/ppStack/src/ppStackArguments.c	(revision 28617)
+++ trunk/ppStack/src/ppStackArguments.c	(revision 30620)
@@ -1,11 +1,2 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <pslib.h>
-#include <psmodules.h>
-
 #include "ppStack.h"
 
@@ -189,11 +180,31 @@
     psMetadataAddStr(arguments, PS_LIST_TAIL, "-temp-mask", 0, "Suffix for temporary masks", NULL);
     psMetadataAddStr(arguments, PS_LIST_TAIL, "-temp-variance", 0, "Suffix for temporary variance maps", NULL);
-    psMetadataAddBool(arguments, PS_LIST_TAIL, "-temp-delete", 0,
-                      "Delete temporary files on completion?", false);
+    psMetadataAddBool(arguments, PS_LIST_TAIL, "-temp-delete", 0, "Delete temporary files on completion?", false);
     psMetadataAddS32(arguments, PS_LIST_TAIL, "-threads", 0, "Number of threads to use", 0);
     psMetadataAddBool(arguments, PS_LIST_TAIL, "-visual", 0, "visualisation", false);
 
+    psMetadataAddStr(arguments, PS_LIST_TAIL, "-stack_id",   0, "stack ID",        NULL);
+    psMetadataAddStr(arguments, PS_LIST_TAIL, "-skycell_id", 0, "skycell ID",      NULL);
+    psMetadataAddStr(arguments, PS_LIST_TAIL, "-tess_id",    0, "tessellation ID", NULL);
+
     if (argc == 1) {
         usage(argv[0], arguments, config);
+    }
+
+    // stack-type : used to define the stack for PSPS
+    if ((argNum = psArgumentGet (argc, argv, "-stack-type"))) {
+	if (argc <= argNum+1) {
+	    psErrorStackPrint(stderr, "Expected to see an argument for -stack-type");
+	    exit(PS_EXIT_CONFIG_ERROR);
+	}
+        psArgumentRemove (argNum, &argc, argv);
+	if (strcasecmp(argv[argNum], "NIGHTLY") && strcasecmp(argv[argNum], "DEEP") && strcasecmp(argv[argNum], "BEST_IQ")) {
+	    psErrorStackPrint(stderr, "Invalid option for -stack-type %s (must be one of NIGHTLY_STACK, DEEP_STACK, IQ_STACK)", argv[argNum]);
+	    exit(PS_EXIT_CONFIG_ERROR);
+	}
+	psMetadataAddStr (arguments, PS_LIST_TAIL, "STACK_TYPE", PS_META_REPLACE, "Stack Type", argv[argNum]);
+        psArgumentRemove (argNum, &argc, argv);
+    } else { 
+	psMetadataAddStr (arguments, PS_LIST_TAIL, "STACK_TYPE", PS_META_REPLACE, "Stack Type", "DEEP_STACK");
     }