Function reference • motrack

All functions

add_random_direction(): Add random direction

annotate_aperture(): Draw bitmap image as ggplot2 annotation and cover rest with filled colour

annotate_image(): Draw bitmap image as ggplot2 annotation

bounce_off_circle(): Check for circular arena bouncing and recalculate directions

bounce_off_others(): Check for inter-object bouncing and recalculate directions

bounce_off_square(): Check for square-arena bouncing and recalculate directions

bounce_pair(): Calculate collsion vectors for two objects

cur_speed(): Get current speed

default_settings(): Default settings for position/trajectory code

extrapolate_moment(): Extrapolates object positions based on current state and time

generate_positions_random(): Random object positions

is_distance_at_least(): Tests inter-object distances

is_valid_position(): Is the object a valid position

is_valid_trajectory(): Is the object a valid trajectory

load_trajectory(): Load trajectory from file

make_random_trajectory(): Create random trajectory

motrack: motrack package

new_settings(): Creates a custom copy of settings

plot_position(): Plot object positions

plot_trajectory(): Plot object trajectories

position8c: Example position

render_trajectory_video(): Render video from trajectory

save_trajectory(): Save trajectory to file

simplify_trajectory(): Simplify trajectory

step_direct(): Simple trajectory step function

step_vonmises(): Von Mises trajectory step function

step_waitandmove(): Wait and move step function

step_zigzag(): Zigzag trajectory step function

trajectory8c: Example trajectory

validate_object_direction_change(): Check direction changes for single object trajectory

validate_trajectory(): Sanity check for trajectory