Mercurial Hosting > traffic-intelligence
view scripts/display-trajectories.py @ 347:7b865f4174aa
updated script to display trajectories with argparse module
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Wed, 26 Jun 2013 17:28:45 -0400 |
parents | dc2e68e936c7 |
children | a50a69e04c2a |
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#! /usr/bin/env python import sys, argparse import storage, cvutils, utils from numpy.linalg.linalg import inv from numpy import loadtxt parser = argparse.ArgumentParser(description='The program displays feature or object trajectories overlaid over the video frames.', epilog = 'Either the configuration filename or the other parameters (at least video and database filenames) need to be provided.') parser.add_argument('--cfg', dest = 'configFilename', help = 'name of the configuration file') parser.add_argument('-d', dest = 'databaseFilename', help = 'name of the Sqlite database file') parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file') parser.add_argument('-t', dest = 'trajectoryType', help = 'type of trajectories to display', choices = ['feature', 'object'], default = 'feature') parser.add_argument('-o', dest = 'homography', help = 'name of the image to world homography') parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', default = 0, type = int) args = parser.parse_args() if args.configFilename: # consider there is a configuration file params = utils.TrackingParameters() params.loadConfigFile(args.configFilename) videoFilename = params.videoFilename databaseFilename = params.databaseFilename homography = inv(params.homography) firstFrameNum = params.firstFrameNum else: videoFilename = args.videoFilename databaseFilename = args.databaseFilename homography = None if args.homography: homography = inv(loadtxt(args.homography)) firstFrameNum = args.firstFrameNum objects = storage.loadTrajectoriesFromSqlite(databaseFilename, args.trajectoryType) cvutils.displayTrajectories(videoFilename, objects, homography, firstFrameNum)