# HG changeset patch
# User Nicolas Saunier <nicolas.saunier@polymtl.ca>
# Date 1322264699 18000
# Node ID c06379f25ab844bd348d208246feed685df2eac3
# Parent  d70e9b36889c607aeed2e2edb9e99ce5a24a35cb
utilities for user types

diff -r d70e9b36889c -r c06379f25ab8 python/moving.py
--- a/python/moving.py	Fri Nov 25 18:38:54 2011 -0500
+++ b/python/moving.py	Fri Nov 25 18:44:59 2011 -0500
@@ -413,9 +413,11 @@
 userTypeNames = ['car',
                  'pedestrian',
                  'twowheels',
-                 'bus'
+                 'bus',
                  'truck']
 
+userType2Num = utils.inverseEnumeration(userTypeNames)
+
 class MovingObject(STObject):
     '''Class for moving objects
     i.e. with a trajectory and a geometry (volume) (constant)
diff -r d70e9b36889c -r c06379f25ab8 python/utils.py
--- a/python/utils.py	Fri Nov 25 18:38:54 2011 -0500
+++ b/python/utils.py	Fri Nov 25 18:44:59 2011 -0500
@@ -10,6 +10,16 @@
 
 delimiterChar = '%';
 
+#########################
+# Enumerations
+#########################
+
+def inverseEnumeration(l):
+    'Returns the dictionary that provides for each element in the input list its index in the input list'
+    result = {}
+    for i,x in enumerate(l):
+        result[x] = i
+    return result
 
 #########################
 # CLI utils