libpysal.cg.get_point_at_angle_and_dist¶
- libpysal.cg.get_point_at_angle_and_dist(ray, angle, dist)[source]¶
Returns the point at a distance and angle relative to the origin of a ray.
- Parameters:
- ray
libpysal.cg.Ray The ray to which
angleanddistare relative.- angle
float The angle relative to
rayat whichpointis located.- dist
float The distance from the origin of
rayat whichpointis located.
- ray
- Returns:
- point
libpysal.cg.Point The point at
distandanglerelative to the origin ofray.
- point
Examples
>>> ray = Ray(Point((0, 0)), Point((1, 0))) >>> pt = get_point_at_angle_and_dist(ray, math.pi, 1.0) >>> isinstance(pt, Point) True
>>> round(pt[0], 8) -1.0
>>> round(pt[1], 8) 0.0