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.
get_point_at_angle_and_dist(Ray, number, number) -> Point
- Parameters
- ray
the
ray
which
the
angle
and
distance
are
relative
to
- angle
the
angle
relative
to
the
ray
at
which
the
point
is
located
- dist
the
distance
from
the
ray
origin
at
which
the
point
is
located
- ray
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