Mercurial Hosting > traffic-intelligence
view scripts/examples.sql @ 627:82e9f78a4714
added test for location for trajectories
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
---|---|
date | Mon, 16 Feb 2015 08:41:14 +0100 |
parents | d44eba0db517 |
children |
line wrap: on
line source
# get object id, first and last frame numbers, length and number of features select OF.object_id, min(P.frame_number) as frame1, max(P.frame_number) as frame2, max(P.frame_number)-min(P.frame_number) as length, count(OF.trajectory_id) as nfeatures from positions P, objects_features OF where P.trajectory_id = OF.trajectory_id group by OF.object_id order by nfeatures asc;