def test_project_point_plane(point, point_plane, normal_plane, point_expected,
dist_expected):
plane = Plane(point_plane, normal_plane)
point_projected = plane.project_point(point)
distance_signed = plane.distance_point_signed(point)
assert point_projected.is_close(point_expected)
assert math.isclose(distance_signed, dist_expected)
"""
Point-Plane Projection
======================
Project a point onto a plane.
"""
from skspatial.objects import Plane
from skspatial.objects import Point
from skspatial.objects import Vector
from skspatial.plotting import plot_3d
plane = Plane(point=[0, 0, 2], normal=[1, 0, 2])
point = Point([5, 9, 3])
point_projected = plane.project_point(point)
vector_projection = Vector.from_points(point, point_projected)
plot_3d(
plane.plotter(lims_x=(0, 10), lims_y=(0, 15), alpha=0.3),
point.plotter(s=75, c='k'),
point_projected.plotter(c='r', s=75, zorder=3),
vector_projection.plotter(point=point, c='k', linestyle='--'),
)