def test_import_hetero_empty(self, scene_paths, out_dir, hetero_mesh_path):
"""Test that imports empty mesh when importing heterogeneous mesh with empty handler"""
mesh = usd.import_meshes(
hetero_mesh_path, ['/Root'],
heterogeneous_mesh_handler=usd.heterogeneous_mesh_handler_empty)
for attr in mesh:
assert len(attr[0]) == 0
def import_kitchen_set(kitchen_set_usd):
# The Kitchen Set example organizes assets in a particular way. Since we want to import complete objects and not
# not each separate part of an object, we'll find all the paths that are named :code:`Geom`:
scene_paths = usd.get_scene_paths(kitchen_set_usd, r'.*/Geom$')
# The meshes in this dataset have a heterogeneous topology, meaning the number of vertices
# for each polygon varies. To deal with those, we'll pass in a handler function that will
# homogenize those meshes to homogenous triangle meshes.
usd_meshes = usd.import_meshes(
file_path=kitchen_set_usd,
scene_paths=scene_paths,
heterogeneous_mesh_handler=usd.heterogeneous_mesh_handler_naive_homogenize
)
return usd_meshes
def test_import_hetero_fail(self, scene_paths, out_dir, hetero_mesh_path):
"""Test that import fails when importing heterogeneous mesh without handler"""
with pytest.raises(usd.NonHomogeneousMeshError):
usd.import_meshes(hetero_mesh_path, ['/Root'])
