/
trajectory_utils.py
41 lines (33 loc) · 1.11 KB
/
trajectory_utils.py
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# -*- coding: utf-8 -*-
from .trajectory import Trajectory
from .trajectory_collection import TrajectoryCollection
def convert_time_ranges_to_segments(traj, time_ranges):
"""
Extracts trajectory segments for the specified time ranges.
Parameters
----------
traj : Trajectory/TrajectoryCollection
Trajectory or TrajectoryCollection from which to extract the time_ranges
time_ranges : list
List of TimeRangeWithTrajId objects
Returns
-------
list
Extracted trajectory segements
"""
if isinstance(traj, Trajectory):
handle_collection = False
elif isinstance(traj, TrajectoryCollection):
handle_collection = True
else:
raise TypeError
segments = []
for time_range in time_ranges:
try:
if handle_collection:
segments.append(traj.get_trajectory(time_range.traj_id).get_segment_between(time_range.t_0, time_range.t_n))
else:
segments.append(traj.get_segment_between(time_range.t_0, time_range.t_n))
except ValueError:
pass
return segments