--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/display-trajectories.py	Fri Jun 14 10:34:11 2013 -0400
@@ -0,0 +1,46 @@
+#! /usr/bin/env python
+
+import sys,getopt
+
+import storage, cvutils, utils
+
+from numpy.linalg.linalg import inv
+from numpy import loadtxt
+
+options, args = getopt.getopt(sys.argv[1:], 'hi:d:t:o:f:',['help']) 
+# alternative long names are a pain to support ,'video-filename=','database-filename=', 'type='
+
+options = dict(options)
+
+print options, args
+
+if '--help' in options.keys() or '-h' in options.keys() or len(sys.argv) == 1:
+    print('Usage: '+sys.argv[0]+' --help|-h -i video-filename -d database-filename [-t object_type] [-o image2world_homography] [-f first_frame]\n'
+          +'Or   : '+sys.argv[0]+' [-t object_type] config_file.cfg\n\n'
+          'Order matters between positional and named arguments\n'
+          'object_type can be feature or object')
+    sys.exit()
+
+objectType = 'feature'
+if '-t' in options.keys():
+    objectType = options['-t']
+
+if len(args)>0: # consider there is a configuration file
+    params = utils.TrackingParameters()
+    params.loadConfigFile(args[0])
+    videoFilename = params.videoFilename
+    databaseFilename = params.databaseFilename
+    homography = inv(params.homography)
+    firstFrameNum = params.firstFrameNum
+else:
+    videoFilename = options['-i']
+    databaseFilename = options['-d']
+    homography = None
+    if '-o' in options.keys():
+        homography = inv(loadtxt(options['-o']))            
+    firstFrameNum = 0
+    if '-f' in options.keys():
+        firstFrameNum = int(options['-f'])
+
+objects = storage.loadTrajectoriesFromSqlite(databaseFilename, objectType)
+cvutils.displayTrajectories(videoFilename, objects, homography, firstFrameNum)