def test_vertices_primitives():
# Tests the default vertices of all the built in primitive shapes.
l_primitives = [(fp.prim_square, (4, 3)), (fp.prim_box, (8, 3)),
(fp.prim_star, np.shape(fp.prim_star()), -3, 3,
-0.666666666667),
(fp.prim_rhombicuboctahedron,
np.shape(fp.prim_rhombicuboctahedron()), -4, 4, 0)]
for func, shape, min, max, mean in l_primitives:
vertices, _ = func()
npt.assert_equal(vertices.shape, shape)
npt.assert_equal(np.mean(vertices), mean)
npt.assert_equal(vertices.min(), min)
npt.assert_equal(vertices.max(), max)
vertices, _ = fp.prim_star(3)
npt.assert_equal(vertices.shape, (12, 3))
npt.assert_equal(np.mean(vertices), .11111111)
npt.assert_equal(vertices.min(), -3)
npt.assert_equal(vertices.max(), 3)
def test_vertices_primitives():
# Tests the default vertices of all the built in primitive shapes.
l_primitives = [(fp.prim_square, (4, 3), -.5, .5, 0),
(fp.prim_box, (8, 3), -.5, .5, 0),
(fp.prim_tetrahedron, (4, 3), -.5, .5, 0),
(fp.prim_star, (10, 3), -3, 3, -0.0666666666),
(fp.prim_rhombicuboctahedron, (24, 3), -4, 4, 0)]
for func, shape, e_min, e_max, e_mean in l_primitives:
vertices, _ = func()
npt.assert_equal(vertices.shape, shape)
npt.assert_almost_equal(np.mean(vertices), e_mean)
npt.assert_equal(vertices.min(), e_min)
npt.assert_equal(vertices.max(), e_max)
vertices, _ = fp.prim_star(3)
npt.assert_equal(vertices.shape, (12, 3))
npt.assert_almost_equal(abs(np.mean(vertices)), .11111111)
npt.assert_equal(vertices.min(), -3)
npt.assert_equal(vertices.max(), 3)
import numpy as np
from fury import window, utils, actor, primitive
import itertools
vertices, triangles = primitive.prim_star()
colors = 255 * np.random.rand(*vertices.shape)
point_actor = actor.point(vertices, point_radius=0.01, colors=colors / 255.)
# this does not work
#colors = np.array([255, 0. , 0.])
# this does work
colors = np.array([[255, 0., 0.], [255, 0., 0.], [255, 0., 0.], [255, 0., 0.],
[255, 0., 0.], [255, 0., 0.], [255, 0., 0.], [255, 0., 0.]])
frustum_actor = utils.get_actor_from_primitive(vertices=vertices,
triangles=triangles,
colors=colors,
backface_culling=False)
scene = window.Scene()
scene.add(point_actor)
scene.add(actor.axes())
scene.add(frustum_actor)
# frustum_actor.GetProperty().SetOpacity(0.3)
scene.set_camera(position=(10, 5, 7), focal_point=(0, 0, 0))
window.show(scene, size=(600, 600), reset_camera=False)