Mercurial > hg > nsaunier > traffic-intelligence

comparison c/feature-based-tracking.cpp @ 168:6ec7f6c61daf

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small steps for feature grouping
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 30 Sep 2011 19:27:27 -0400
parents ed2de414e5f6
children 5f705809d37a
comparison
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167:ed2de414e5f6 168:6ec7f6c61daf
266 // create views for first and last instants for each trajectory 266 // create views for first and last instants for each trajectory
267 // CREATE VIEW IF NOT EXISTS trajectory_first_instants AS select trajectory_id, min(frame_number) as first_instant from positions group by trajectory_id 267 // CREATE VIEW IF NOT EXISTS trajectory_first_instants AS select trajectory_id, min(frame_number) as first_instant from positions group by trajectory_id
268 // CREATE VIEW IF NOT EXISTS trajectory_last_instants AS select trajectory_id, max(frame_number) as last_instant from positions group by trajectory_id 268 // CREATE VIEW IF NOT EXISTS trajectory_last_instants AS select trajectory_id, max(frame_number) as last_instant from positions group by trajectory_id
269 //select trajectory_id from trajectory_first_instants where first_instant = 49 269 //select trajectory_id from trajectory_first_instants where first_instant = 49
270 270
271 271 trajectoryDB->createViewInstants("first");
272 272 trajectoryDB->createViewInstants("last");
273
274 // main loop
275 // TODO version que l'on peut interrompre ?
276 for (int frameNum = params.frame1; ((frameNum-params.frame1 < params.nFrames) || (params.nFrames < 0)); frameNum++) {
277 vector<int> ids;
278 cout << "frame " << frameNum << " " << trajectoryDB->trajectoryIdStartingAt(ids, frameNum) << endl;
279 BOOST_FOREACH(int i, ids)
280 cout << i << " ";
281 cout << endl;
282 }
273 283
274 trajectoryDB->endTransaction(); 284 trajectoryDB->endTransaction();
275 trajectoryDB->disconnect(); 285 trajectoryDB->disconnect();
276 } 286 }
277 287