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annotate 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
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children 93c26e45efd8
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236
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1 #! /usr/bin/env python
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2
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3 import sys,getopt
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4
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5 import storage
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6 import cvutils
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7
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8 from numpy.linalg.linalg import inv
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9 from numpy.lib.npyio import loadtxt
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10
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11 options, args = getopt.getopt(sys.argv[1:], 'hi:d:t:o:f:',['help'])
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12 # alternative long names are a pain to support ,'video-filename=','database-filename=', 'type='
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13 # todo parse the cfg file (problem, python ConfigParser needs section headers)
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14 options = dict(options)
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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():
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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]))
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18 sys.exit()
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19
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20 objectType = 'feature'
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21 if '-t' in options.keys():
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22 objectType = options['-t']
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23
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24 objects = storage.loadTrajectoriesFromSqlite(options['-d'], objectType)
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25
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26 homography = None
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27 if '-o' in options.keys():
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28 homography = inv(loadtxt(options['-o']))
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29 firstFrameNum = 0
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30 if '-f' in options.keys():
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31 firstFrameNum = int(options['-f'])
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32
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33 cvutils.displayTrajectories(options['-i'], objects, homography, firstFrameNum)