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comparison python/display-trajectories.py @ 236:eb4525853030

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added script to display trajectories
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 06 Jul 2012 01:03:52 -0400
parents
children 93c26e45efd8
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235:584613399513 236:eb4525853030
1 #! /usr/bin/env python
2
3 import sys,getopt
4
5 import storage
6 import cvutils
7
8 from numpy.linalg.linalg import inv
9 from numpy.lib.npyio import loadtxt
10
11 options, args = getopt.getopt(sys.argv[1:], 'hi:d:t:o:f:',['help'])
12 # alternative long names are a pain to support ,'video-filename=','database-filename=', 'type='
13 # todo parse the cfg file (problem, python ConfigParser needs section headers)
14 options = dict(options)
15
16 if '--help' in options.keys() or '-h' in options.keys() or len(sys.argv) == 1 or not '-i' in options.keys() or not '-d' in options.keys():
17 print('Usage: {0} --help|-h -i video-filename -d database-filename [-t object_type] [-o image2world_homography] [-f first_frame]'.format(sys.argv[0]))
18 sys.exit()
19
20 objectType = 'feature'
21 if '-t' in options.keys():
22 objectType = options['-t']
23
24 objects = storage.loadTrajectoriesFromSqlite(options['-d'], objectType)
25
26 homography = None
27 if '-o' in options.keys():
28 homography = inv(loadtxt(options['-o']))
29 firstFrameNum = 0
30 if '-f' in options.keys():
31 firstFrameNum = int(options['-f'])
32
33 cvutils.displayTrajectories(options['-i'], objects, homography, firstFrameNum)