Coordinate transformations + centroid #75
Merged
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This PR introduced a couple of user-facing new functions:
translate_coords
map_to_polar
map_to_cartesian
add_centroid
As well as a bunch of internal functions:
calculate_centroid_x
calculate_centroid_y
translate_coords_keypoint
translate_coords_vector
cartesian_to_rho
cartesian_to_theta
polar_to_x
polar_to_y
rad_to_deg
deg_to_rad
constrain_angles_radians