Index: trunk/Ohana/src/opihi/cmd.data/mcreate.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/mcreate.c	(revision 9275)
+++ trunk/Ohana/src/opihi/cmd.data/mcreate.c	(revision 38062)
@@ -3,20 +3,32 @@
 int mcreate (int argc, char **argv) {
   
-  int Nx, Ny;
+  int N;
   Buffer *buf;
 
+  int Nz = 0;
+  if ((N = get_argument (argc, argv, "-nz"))) {
+    remove_argument (N, &argc, argv);
+    Nz = atoi (argv[N]);
+    remove_argument (N, &argc, argv);
+  }
+
   if (argc != 4) {
-    gprint (GP_ERR, "USAGE: mcreate <buffer> Nx Ny\n");
+    gprint (GP_ERR, "USAGE: mcreate <buffer> Nx Ny [-nz Nz]\n");
     return (FALSE);
   }
 
   if ((buf = SelectBuffer (argv[1], ANYBUFFER, TRUE)) == NULL) return (FALSE);
-  Nx = atof (argv[2]);
-  Ny = atof (argv[3]);
+  int Nx = atof (argv[2]);
+  int Ny = atof (argv[3]);
 
   /* I should encapsulate this in a create_default_buffer */
   gfits_free_matrix (&buf[0].matrix);
   gfits_free_header (&buf[0].header);
-  CreateBuffer (buf, Nx, Ny, -32, 1.0, 0.0);
+
+  if (Nz) {
+    CreateBuffer3D (buf, Nx, Ny, Nz, -32, 1.0, 0.0);
+  } else {
+    CreateBuffer (buf, Nx, Ny, -32, 1.0, 0.0);
+  }
   return (TRUE);
 }