Index: trunk/ppSkycell/src/ppSkycellArguments.c
===================================================================
--- trunk/ppSkycell/src/ppSkycellArguments.c	(revision 35852)
+++ trunk/ppSkycell/src/ppSkycellArguments.c	(revision 36356)
@@ -52,4 +52,5 @@
     psMetadataAddStr(arguments, PS_LIST_TAIL, "-masks", 0, "Filename with input masks", NULL);
     psMetadataAddStr(arguments, PS_LIST_TAIL, "-wcsref", 0, "Filename with WCS references", NULL);
+    psMetadataAddS16(arguments, PS_LIST_TAIL, "-exptimeOrder", 0, "Order of exptime scaling", 0);
     if (argc == 1 || !psArgumentParse(arguments, &argc, argv) || argc != 2) {
         usage(argv[0], arguments, data);
@@ -59,4 +60,5 @@
     data->masksName = psMemIncrRefCounter(psMetadataLookupStr(NULL, arguments, "-masks"));
     data->wcsrefName = psMemIncrRefCounter(psMetadataLookupStr(NULL, arguments, "-wcsref"));
+    data->exptimeOrder = psMetadataLookupS16(NULL,arguments,"-exptimeOrder");
     
     data->outRoot = psStringCopy(argv[1]);