--- trunk/SHAPES/visualizerCmd.c	2004/06/24 19:06:47	1300
+++ trunk/SHAPES/visualizerCmd.c	2004/06/28 23:05:25	1315
@@ -40,6 +40,7 @@ void clear_given (struct gengetopt_args_info *args_inf
   args_info->shape_given = 0 ;
   args_info->output_given = 0 ;
   args_info->grid_given = 0 ;
+  args_info->range_given = 0 ;
 }
 
 static
@@ -48,6 +49,7 @@ void clear_args (struct gengetopt_args_info *args_info
   args_info->shape_arg = NULL;
   args_info->output_arg = NULL;
   args_info->grid_arg = 101 ;
+  args_info->range_arg = 10 ;
 }
 
 void
@@ -68,6 +70,7 @@ cmdline_parser_print_help (void)
   printf("%s\n","  -s, --shape=filename   shape file name");
   printf("%s\n","  -o, --output=filename  output file name");
   printf("%s\n","  -g, --grid=INT         number of grid points in each coordinate  (default=\n                           `101')");
+  printf("%s\n","  -r, --range=DOUBLE     the sample range for the points in Angstroms (Ex: 10 =\n                            -10 to 10)  (default=`10')");
 }
 
 void
@@ -162,11 +165,12 @@ cmdline_parser_internal (int argc, char * const *argv,
         { "shape",	1, NULL, 's' },
         { "output",	1, NULL, 'o' },
         { "grid",	1, NULL, 'g' },
+        { "range",	1, NULL, 'r' },
         { NULL,	0, NULL, 0 }
       };
 
       stop_char = 0;
-      c = getopt_long (argc, argv, "hVs:o:g:", long_options, &option_index);
+      c = getopt_long (argc, argv, "hVs:o:g:r:", long_options, &option_index);
 
       if (c == -1) break;	/* Exit from `while (1)' loop.  */
 
@@ -223,7 +227,20 @@ cmdline_parser_internal (int argc, char * const *argv,
           args_info->grid_arg = strtol (optarg,&stop_char,0);
           break;
 
+        case 'r':	/* the sample range for the points in Angstroms (Ex: 10 = -10 to 10).  */
+          if (local_args_info.range_given)
+            {
+              fprintf (stderr, "%s: `--range' (`-r') option given more than once%s\n", CMDLINE_PARSER_PACKAGE, (additional_error ? additional_error : ""));
+              goto failure;
+            }
+          if (args_info->range_given && ! override)
+            continue;
+          local_args_info.range_given = 1;
+          args_info->range_given = 1;
+          args_info->range_arg = strtod (optarg, NULL);
+          break;
 
+
         case 0:	/* Long option with no short option */
 
         case '?':	/* Invalid option.  */