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try:
from . import generic as g
except BaseException:
import generic as g
class VisualTest(g.unittest.TestCase):
def test_face_subset_texture_visuals(self):
m = g.get_mesh("fuze.obj", force="mesh")
face_index = g.np.random.choice(len(m.faces), len(m.triangles) // 2)
idx = m.faces[g.np.unique(face_index)].flatten()
ori = m.visual.uv[idx]
check = m.visual.face_subset(face_index).uv
tree = g.spatial.cKDTree(ori)
distances, _index = tree.query(check, k=1)
assert distances.max() < 1e-8
def test_face_subset_color_visuals(self):
import trimesh
m = g.get_mesh("torus.STL")
vertex_colors = g.np.random.randint(0, 255, size=(len(m.vertices), 3))
m.visual = trimesh.visual.ColorVisuals(mesh=m, vertex_colors=vertex_colors)
face_index = g.np.random.choice(len(m.faces), len(m.triangles) // 2)
idx = m.faces[g.np.unique(face_index)].flatten()
ori = m.visual.vertex_colors[idx]
check = m.visual.face_subset(face_index).vertex_colors
tree = g.spatial.cKDTree(ori)
distances, _index = tree.query(check, k=1)
assert distances.max() < 1e-8
# def test_face_subset_vertex_color(self):
# import trimesh
# m = g.get_mesh('torus.STL')
#
# vertex_colors = trimesh.visual.VertexColor(mesh=m, vertex_color=)
# m.visual = trimesh.visual.VertexColor(mesh=m, colors=vertex_colors)
#
# face_index = g.np.random.choice(len(m.faces), len(m.triangles) // 2)
# idx = m.faces[g.np.unique(face_index)].flatten()
#
# ori = m.visual.vertex_colors[idx]
# check = m.visual.face_subset(face_index).vertex_colors
#
# tree = g.spatial.cKDTree(ori)
# distances, index = tree.query(check, k=1)
# assert distances.max() < 1e-8
def test_face_maintain_order(self):
# chose a mesh that has the same number of vs and vts
# to prevent conflict without unmerging when maintain_order=True
mesh1 = g.get_mesh("capsule.obj", process=False, maintain_order=True)
mesh2 = g.get_mesh("capsule.obj", process=False, maintain_order=False)
colors1 = mesh1.visual.to_color()
colors2 = mesh2.visual.to_color()
g.np.testing.assert_allclose(colors1.vertex_colors, colors2.vertex_colors)
if __name__ == "__main__":
g.trimesh.util.attach_to_log()
g.unittest.main()
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