Mercurial Hosting > traffic-intelligence
view scripts/play-synced-videos.py @ 826:8b74a5176549
explicitly computed the probabilities for predicted trajectories
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Mon, 27 Jun 2016 23:27:05 -0400 |
parents | 41558145e131 |
children | 14e4ad7c7420 |
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#! /usr/bin/env python import sys, argparse, os.path import cvutils, utils from metadata import createDatabase, Site, VideoSequence from datetime import datetime, timedelta parser = argparse.ArgumentParser(description='The program displays several views of the same site synchronously.') parser.add_argument('-i', dest = 'metadataFilename', help = 'name of the metadata file', required = True) parser.add_argument('-n', dest = 'siteId', help = 'site id or site name', required = True) parser.add_argument('-t', dest = 'startTime', help = 'time to start playing (format %Y-%m-%d %H:%M:%S, eg 2011-06-22 10:00:39)', required = True) parser.add_argument('--fps', dest = 'frameRate', help = 'approximate frame rate to replay', default = -1, type = float) parser.add_argument('-r', dest = 'rescale', help = 'rescaling factor for the displayed image', default = 1., type = float) parser.add_argument('-s', dest = 'step', help = 'display every s image', default = 1, type = int) args = parser.parse_args() session = createDatabase(args.metadataFilename) if str.isdigit(args.siteId): site = session.query(Site).filter(Site.idx == int(args.siteId)).first() else: site = session.query(Site).filter(Site.description.like('%'+args.siteId+'%')).first() if site is None: print('Site {} was not found in {}. Exiting'.format(args.siteId, args.metadataFilename)) sys.exit() dirname = os.path.split(args.metadataFilename)[0] startTime = datetime.strptime(args.startTime, utils.datetimeFormat) videoSequences = session.query(VideoSequence).filter(VideoSequence.site == site).filter(VideoSequence.startTime <= startTime).all() videoSequences = [v for v in videoSequences if v.containsInstant(startTime)] filenames = [dirname+os.path.sep+v.getVideoSequenceFilename() for v in videoSequences] firstFrameNums = [v.getFrameNum(startTime) for v in videoSequences] cvutils.playVideo(filenames, [v.cameraView.description for v in videoSequences], firstFrameNums, args.frameRate, rescale = args.rescale, step = args.step)