Mercurial Hosting > traffic-intelligence
changeset 1157:173b7926734e
clarifying categorize method
| author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
|---|---|
| date | Wed, 21 Oct 2020 10:38:30 -0400 |
| parents | f7fbe624fff7 |
| children | 7eb972942f22 |
| files | trafficintelligence/events.py |
| diffstat | 1 files changed, 6 insertions(+), 3 deletions(-) [+] |
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--- a/trafficintelligence/events.py Fri Sep 25 11:56:59 2020 -0400 +++ b/trafficintelligence/events.py Wed Oct 21 10:38:30 2020 -0400 @@ -224,9 +224,12 @@ def categorize(self, velocityAngleTolerance, parallelAngleTolerance, headonCollisionCourseAngleTolerance = None): '''Computes the interaction category by instant - velocityAngleTolerance and parallelAngleTolerance in radian - velocityAngleTolerance: indicates the angle threshold for rear and head on (180-velocityAngleTolerance), as well as the maximum collision course angle for head on - velocityAngleTolerance: indicates the angle between velocity vector (average for parallel) and position vector''' + all 3 angle arguments in radian + velocityAngleTolerance: indicates the angle threshold for rear and head on (180-velocityAngleTolerance), as well as the maximum collision course angle for head on (if headonCollisionCourseAngleTolerance is None) + parallelAngleTolerance: indicates the angle between velocity vector (average for parallel) and position vector + + an instant may not be categorized if it matches the side definition (angle) + but the distance is growing (at least one user is probably past the point of trajectory crossing)''' parallelAngleToleranceCosine = np.cos(parallelAngleTolerance) if headonCollisionCourseAngleTolerance is None: headonCollisionCourseAngleTolerance = velocityAngleTolerance