1 files changed, 6 insertions, 0 deletions
diff --git a/bin/chroma-sim b/bin/chroma-sim
index 9b4a536..8b0e44b 100755
--- a/bin/chroma-sim
+++ b/bin/chroma-sim
@@ -39,12 +39,18 @@ if __name__ == '__main__':
     parser.add_option('--save-photons-end', action='store_true',
                       dest='save_photons_end',
                       help='save final photons to disk', default=False)
+    parser.add_option('--debug', dest='debug', 
+                      action='store_true', default=False,
+                      help='Start python debugger on exception')
 
     options, args = parser.parse_args()
 
     if len(args) < 1:
         sys.exit(parser.format_help())
 
+    if options.debug:
+        enable_debug_on_crash()
+
     module_name, function_name = args[0].rsplit('.', 1)
 
     try: