def subdivision(v, f, level=1):
for _ in range(level):
# subdivision
v, f = igl.upsample(v, f)
# normalize
v /= np.linalg.norm(v, axis=1)[:, np.newaxis]
return v, f
def run(self):
geo = self.get_input_geometry_ref(0)
if geo is None:
return
if geo.getNumFaces() == 0 or geo.getNumVertexes() == 0:
return
itera = self.get_property("Iteration")
if itera == 0:
return
mesh = geo.getTriangulateMesh()
v = mesh.points()
f = mesh.face_vertex_indices()
mt = self.get_property("Method")
if mt == "Upsample":
for i in range(itera):
v, f = igl.upsample(v, f)
elif mt == "Loop":
for i in range(itera):
v, f = igl.loop(v, f)
self.geo = Mesh()
self.geo.addVertices(v)
self.geo.addFaces(f)
def test_upsample(self):
nv, nf = igl.upsample(self.v1, self.f1)
self.assertEqual(nv.dtype, self.v1.dtype)
self.assertEqual(nf.dtype, self.f1.dtype)
self.assertEqual(nv.shape[1], self.v1.shape[1])
self.assertEqual(nf.shape[1], self.f1.shape[1])
def test_upsample(self):
nv, nf = igl.upsample(self.v1, self.f1)
self.assertEqual(nv.dtype, self.v1.dtype)
self.assertEqual(nf.dtype, self.f1.dtype)
self.assertEqual(nv.shape[1], self.v1.shape[1])
self.assertEqual(nf.shape[1], self.f1.shape[1])
self.assertTrue(nv.flags.c_contiguous)
self.assertTrue(nf.flags.c_contiguous)