Index: branches/eam_branches/relphot.20210521/src/args.c
===================================================================
--- branches/eam_branches/relphot.20210521/src/args.c	(revision 41644)
+++ branches/eam_branches/relphot.20210521/src/args.c	(revision 41646)
@@ -401,4 +401,29 @@
     remove_argument (N, &argc, argv);
     GRID_MEANFILE = strcreate (argv[N]); // used by relphot -averages and relphot -apply-offsets
+    remove_argument (N, &argc, argv);
+  }
+
+  GRID_BIN_GPC1 = 16;
+  if ((N = get_argument (argc, argv, "-grid-bin-gpc1"))) {
+    remove_argument (N, &argc, argv);
+    GRID_BIN_GPC1 = atof (argv[N]);
+    remove_argument (N, &argc, argv);
+  }
+  GRID_BIN_GPC2 = 16;
+  if ((N = get_argument (argc, argv, "-grid-bin-gpc2"))) {
+    remove_argument (N, &argc, argv);
+    GRID_BIN_GPC2 = atof (argv[N]);
+    remove_argument (N, &argc, argv);
+  }
+  GRID_BIN_HSC = 8;
+  if ((N = get_argument (argc, argv, "-grid-bin-hsc"))) {
+    remove_argument (N, &argc, argv);
+    GRID_BIN_HSC = atof (argv[N]);
+    remove_argument (N, &argc, argv);
+  }
+  GRID_BIN_CFH = 8;
+  if ((N = get_argument (argc, argv, "-grid-bin-cfh"))) {
+    remove_argument (N, &argc, argv);
+    GRID_BIN_CFH = atof (argv[N]);
     remove_argument (N, &argc, argv);
   }