531 lines
20 KiB
Python
531 lines
20 KiB
Python
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import unittest
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import openmesh
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class DeleteFaceTriangleMesh(unittest.TestCase):
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def test_delete_half_triangle_mesh_cube_no_edge_status(self):
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self.mesh = openmesh.TriMesh()
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self.vhandle = []
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# Add some vertices
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, -1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, -1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, 1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, 1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, -1, -1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, -1, -1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, 1, -1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, 1, -1)))
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# Add six faces to form a cube
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face_vhandles = []
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[3])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[2])
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face_vhandles.append(self.vhandle[3])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[7])
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face_vhandles.append(self.vhandle[6])
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face_vhandles.append(self.vhandle[5])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[7])
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face_vhandles.append(self.vhandle[5])
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face_vhandles.append(self.vhandle[4])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[4])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[4])
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face_vhandles.append(self.vhandle[5])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[2])
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[5])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[2])
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face_vhandles.append(self.vhandle[5])
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face_vhandles.append(self.vhandle[6])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[3])
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face_vhandles.append(self.vhandle[2])
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face_vhandles.append(self.vhandle[6])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[3])
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face_vhandles.append(self.vhandle[6])
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face_vhandles.append(self.vhandle[7])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[3])
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face_vhandles.append(self.vhandle[7])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[7])
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face_vhandles.append(self.vhandle[4])
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self.mesh.add_face(face_vhandles)
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# Test setup:
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#
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# 3 ======== 2
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# / /|
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# / / | z
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# 0 ======== 1 | |
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# | | | | y
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# | 7 | 6 | /
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# | | / | /
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# | |/ |/
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# 4 ======== 5 -------> x
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# Check setup
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self.assertEqual(self.mesh.n_edges(), 18)
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self.assertEqual(self.mesh.n_halfedges(), 36)
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self.assertEqual(self.mesh.n_vertices(), 8)
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self.assertEqual(self.mesh.n_faces(), 12)
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# =====================================================
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# Now we delete half of the mesh
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# =====================================================
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self.mesh.request_face_status()
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self.mesh.request_vertex_status()
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self.mesh.request_halfedge_status()
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n_face_to_delete = self.mesh.n_faces() / 2
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# Check the variable
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self.assertEqual(n_face_to_delete, 6)
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for i in range(int(n_face_to_delete)):
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self.mesh.delete_face(self.mesh.face_handle(i))
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# =====================================================
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# Check config afterwards
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# =====================================================
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self.assertEqual(self.mesh.n_edges(), 18)
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self.assertEqual(self.mesh.n_halfedges(), 36)
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self.assertEqual(self.mesh.n_vertices(), 8)
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self.assertEqual(self.mesh.n_faces(), 12)
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# =====================================================
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# Cleanup and recheck
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# =====================================================
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self.mesh.garbage_collection()
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self.assertEqual(self.mesh.n_edges(), 18)
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self.assertEqual(self.mesh.n_halfedges(), 36)
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self.assertEqual(self.mesh.n_vertices(), 8)
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self.assertEqual(self.mesh.n_faces(), 6)
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def test_delete_half_triangle_mesh_cube_with_edge_status(self):
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self.mesh = openmesh.TriMesh()
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self.vhandle = []
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# Add some vertices
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, -1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, -1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, 1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, 1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, -1, -1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, -1, -1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, 1, -1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, 1, -1)))
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# Add six faces to form a cube
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face_vhandles = []
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[3])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[2])
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face_vhandles.append(self.vhandle[3])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[7])
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face_vhandles.append(self.vhandle[6])
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face_vhandles.append(self.vhandle[5])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[7])
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face_vhandles.append(self.vhandle[5])
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face_vhandles.append(self.vhandle[4])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[4])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[4])
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face_vhandles.append(self.vhandle[5])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[2])
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[5])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[2])
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face_vhandles.append(self.vhandle[5])
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face_vhandles.append(self.vhandle[6])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[3])
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face_vhandles.append(self.vhandle[2])
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face_vhandles.append(self.vhandle[6])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[3])
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face_vhandles.append(self.vhandle[6])
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face_vhandles.append(self.vhandle[7])
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self.mesh.add_face(face_vhandles)
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#=======================
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face_vhandles = []
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[3])
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face_vhandles.append(self.vhandle[7])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[7])
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face_vhandles.append(self.vhandle[4])
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self.mesh.add_face(face_vhandles)
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# Test setup:
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#
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# 3 ======== 2
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# / /|
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# / / | z
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# 0 ======== 1 | |
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# | | | | y
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# | 7 | 6 | /
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# | | / | /
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# | |/ |/
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# 4 ======== 5 -------> x
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# Check setup
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self.assertEqual(self.mesh.n_edges(), 18)
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self.assertEqual(self.mesh.n_halfedges(), 36)
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self.assertEqual(self.mesh.n_vertices(), 8)
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self.assertEqual(self.mesh.n_faces(), 12)
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# =====================================================
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# Now we delete half of the mesh
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# =====================================================
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self.mesh.request_face_status()
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self.mesh.request_vertex_status()
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self.mesh.request_edge_status()
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self.mesh.request_halfedge_status()
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n_face_to_delete = self.mesh.n_faces() / 2
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# Check the variable
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self.assertEqual(n_face_to_delete, 6)
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for i in range(int(n_face_to_delete)):
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self.mesh.delete_face(self.mesh.face_handle(i))
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# =====================================================
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# Check config afterwards
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# =====================================================
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self.assertEqual(self.mesh.n_edges(), 18)
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self.assertEqual(self.mesh.n_halfedges(), 36)
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self.assertEqual(self.mesh.n_vertices(), 8)
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self.assertEqual(self.mesh.n_faces(), 12)
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# =====================================================
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# Cleanup and recheck
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# =====================================================
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self.mesh.garbage_collection()
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self.assertEqual(self.mesh.n_edges(), 13)
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self.assertEqual(self.mesh.n_vertices(), 8)
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self.assertEqual(self.mesh.n_faces(), 6)
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def test_deletete_half_poly_mesh_cube_without_edge_status(self):
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self.mesh = openmesh.PolyMesh()
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self.vhandle = []
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# Add some vertices
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, -1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, -1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, 1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, 1, 1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, -1, -1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, -1, -1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, 1, -1)))
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self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, 1, -1)))
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# Add six faces to form a cube
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face_vhandles = []
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[2])
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face_vhandles.append(self.vhandle[3])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[7])
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face_vhandles.append(self.vhandle[6])
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face_vhandles.append(self.vhandle[5])
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face_vhandles.append(self.vhandle[4])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[1])
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face_vhandles.append(self.vhandle[0])
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face_vhandles.append(self.vhandle[4])
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face_vhandles.append(self.vhandle[5])
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self.mesh.add_face(face_vhandles)
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face_vhandles = []
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face_vhandles.append(self.vhandle[2])
|
||
|
|
face_vhandles.append(self.vhandle[1])
|
||
|
|
face_vhandles.append(self.vhandle[5])
|
||
|
|
face_vhandles.append(self.vhandle[6])
|
||
|
|
self.mesh.add_face(face_vhandles)
|
||
|
|
|
||
|
|
face_vhandles = []
|
||
|
|
face_vhandles.append(self.vhandle[3])
|
||
|
|
face_vhandles.append(self.vhandle[2])
|
||
|
|
face_vhandles.append(self.vhandle[6])
|
||
|
|
face_vhandles.append(self.vhandle[7])
|
||
|
|
self.mesh.add_face(face_vhandles)
|
||
|
|
|
||
|
|
face_vhandles = []
|
||
|
|
face_vhandles.append(self.vhandle[0])
|
||
|
|
face_vhandles.append(self.vhandle[3])
|
||
|
|
face_vhandles.append(self.vhandle[7])
|
||
|
|
face_vhandles.append(self.vhandle[4])
|
||
|
|
self.mesh.add_face(face_vhandles)
|
||
|
|
|
||
|
|
# Test setup:
|
||
|
|
#
|
||
|
|
# 3 ======== 2
|
||
|
|
# / /|
|
||
|
|
# / / | z
|
||
|
|
# 0 ======== 1 | |
|
||
|
|
# | | | | y
|
||
|
|
# | 7 | 6 | /
|
||
|
|
# | | / | /
|
||
|
|
# | |/ |/
|
||
|
|
# 4 ======== 5 -------> x
|
||
|
|
|
||
|
|
# Check setup
|
||
|
|
self.assertEqual(self.mesh.n_edges(), 12)
|
||
|
|
self.assertEqual(self.mesh.n_halfedges(), 24)
|
||
|
|
self.assertEqual(self.mesh.n_vertices(), 8)
|
||
|
|
self.assertEqual(self.mesh.n_faces(), 6)
|
||
|
|
|
||
|
|
# =====================================================
|
||
|
|
# Now we delete half of the mesh
|
||
|
|
# =====================================================
|
||
|
|
self.mesh.request_face_status()
|
||
|
|
self.mesh.request_vertex_status()
|
||
|
|
self.mesh.request_halfedge_status()
|
||
|
|
|
||
|
|
n_face_to_delete = self.mesh.n_faces() / 2
|
||
|
|
|
||
|
|
# Check the variable
|
||
|
|
self.assertEqual(n_face_to_delete, 3)
|
||
|
|
|
||
|
|
for i in range(int(n_face_to_delete)):
|
||
|
|
self.mesh.delete_face(self.mesh.face_handle(i))
|
||
|
|
|
||
|
|
# =====================================================
|
||
|
|
# Check config afterwards
|
||
|
|
# =====================================================
|
||
|
|
|
||
|
|
self.assertEqual(self.mesh.n_edges(), 12)
|
||
|
|
self.assertEqual(self.mesh.n_halfedges(), 24)
|
||
|
|
self.assertEqual(self.mesh.n_vertices(), 8)
|
||
|
|
self.assertEqual(self.mesh.n_faces(), 6)
|
||
|
|
|
||
|
|
# =====================================================
|
||
|
|
# Cleanup and recheck
|
||
|
|
# =====================================================
|
||
|
|
|
||
|
|
self.mesh.garbage_collection()
|
||
|
|
|
||
|
|
self.assertEqual(self.mesh.n_edges(), 12)
|
||
|
|
self.assertEqual(self.mesh.n_halfedges(), 24)
|
||
|
|
self.assertEqual(self.mesh.n_vertices(), 8)
|
||
|
|
self.assertEqual(self.mesh.n_faces(), 3)
|
||
|
|
|
||
|
|
def test_deletete_half_poly_mesh_cube_with_edge_status(self):
|
||
|
|
self.mesh = openmesh.PolyMesh()
|
||
|
|
self.vhandle = []
|
||
|
|
|
||
|
|
# Add some vertices
|
||
|
|
self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, -1, 1)))
|
||
|
|
self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, -1, 1)))
|
||
|
|
self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, 1, 1)))
|
||
|
|
self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, 1, 1)))
|
||
|
|
self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, -1, -1)))
|
||
|
|
self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, -1, -1)))
|
||
|
|
self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d( 1, 1, -1)))
|
||
|
|
self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(-1, 1, -1)))
|
||
|
|
|
||
|
|
# Add six faces to form a cube
|
||
|
|
face_vhandles = []
|
||
|
|
face_vhandles.append(self.vhandle[0])
|
||
|
|
face_vhandles.append(self.vhandle[1])
|
||
|
|
face_vhandles.append(self.vhandle[2])
|
||
|
|
face_vhandles.append(self.vhandle[3])
|
||
|
|
self.mesh.add_face(face_vhandles)
|
||
|
|
|
||
|
|
face_vhandles = []
|
||
|
|
face_vhandles.append(self.vhandle[7])
|
||
|
|
face_vhandles.append(self.vhandle[6])
|
||
|
|
face_vhandles.append(self.vhandle[5])
|
||
|
|
face_vhandles.append(self.vhandle[4])
|
||
|
|
self.mesh.add_face(face_vhandles)
|
||
|
|
|
||
|
|
face_vhandles = []
|
||
|
|
face_vhandles.append(self.vhandle[1])
|
||
|
|
face_vhandles.append(self.vhandle[0])
|
||
|
|
face_vhandles.append(self.vhandle[4])
|
||
|
|
face_vhandles.append(self.vhandle[5])
|
||
|
|
self.mesh.add_face(face_vhandles)
|
||
|
|
|
||
|
|
face_vhandles = []
|
||
|
|
face_vhandles.append(self.vhandle[2])
|
||
|
|
face_vhandles.append(self.vhandle[1])
|
||
|
|
face_vhandles.append(self.vhandle[5])
|
||
|
|
face_vhandles.append(self.vhandle[6])
|
||
|
|
self.mesh.add_face(face_vhandles)
|
||
|
|
|
||
|
|
face_vhandles = []
|
||
|
|
face_vhandles.append(self.vhandle[3])
|
||
|
|
face_vhandles.append(self.vhandle[2])
|
||
|
|
face_vhandles.append(self.vhandle[6])
|
||
|
|
face_vhandles.append(self.vhandle[7])
|
||
|
|
self.mesh.add_face(face_vhandles)
|
||
|
|
|
||
|
|
face_vhandles = []
|
||
|
|
face_vhandles.append(self.vhandle[0])
|
||
|
|
face_vhandles.append(self.vhandle[3])
|
||
|
|
face_vhandles.append(self.vhandle[7])
|
||
|
|
face_vhandles.append(self.vhandle[4])
|
||
|
|
self.mesh.add_face(face_vhandles)
|
||
|
|
|
||
|
|
# Test setup:
|
||
|
|
#
|
||
|
|
# 3 ======== 2
|
||
|
|
# / /|
|
||
|
|
# / / | z
|
||
|
|
# 0 ======== 1 | |
|
||
|
|
# | | | | y
|
||
|
|
# | 7 | 6 | /
|
||
|
|
# | | / | /
|
||
|
|
# | |/ |/
|
||
|
|
# 4 ======== 5 -------> x
|
||
|
|
|
||
|
|
# Check setup
|
||
|
|
self.assertEqual(self.mesh.n_edges(), 12)
|
||
|
|
self.assertEqual(self.mesh.n_halfedges(), 24)
|
||
|
|
self.assertEqual(self.mesh.n_vertices(), 8)
|
||
|
|
self.assertEqual(self.mesh.n_faces(), 6)
|
||
|
|
|
||
|
|
# =====================================================
|
||
|
|
# Now we delete half of the mesh
|
||
|
|
# =====================================================
|
||
|
|
self.mesh.request_face_status()
|
||
|
|
self.mesh.request_vertex_status()
|
||
|
|
self.mesh.request_edge_status()
|
||
|
|
self.mesh.request_halfedge_status()
|
||
|
|
|
||
|
|
n_face_to_delete = self.mesh.n_faces() / 2
|
||
|
|
|
||
|
|
# Check the variable
|
||
|
|
self.assertEqual(n_face_to_delete, 3)
|
||
|
|
|
||
|
|
for i in range(int(n_face_to_delete)):
|
||
|
|
self.mesh.delete_face(self.mesh.face_handle(i))
|
||
|
|
|
||
|
|
# =====================================================
|
||
|
|
# Check config afterwards
|
||
|
|
# =====================================================
|
||
|
|
|
||
|
|
self.assertEqual(self.mesh.n_edges(), 12)
|
||
|
|
self.assertEqual(self.mesh.n_halfedges(), 24)
|
||
|
|
self.assertEqual(self.mesh.n_vertices(), 8)
|
||
|
|
self.assertEqual(self.mesh.n_faces(), 6)
|
||
|
|
|
||
|
|
# =====================================================
|
||
|
|
# Cleanup and recheck
|
||
|
|
# =====================================================
|
||
|
|
|
||
|
|
self.mesh.garbage_collection()
|
||
|
|
|
||
|
|
self.assertEqual(self.mesh.n_edges(), 10)
|
||
|
|
self.assertEqual(self.mesh.n_halfedges(), 20)
|
||
|
|
self.assertEqual(self.mesh.n_vertices(), 8)
|
||
|
|
self.assertEqual(self.mesh.n_faces(), 3)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
suite = unittest.TestLoader().loadTestsFromTestCase(DeleteFaceTriangleMesh)
|
||
|
|
unittest.TextTestRunner(verbosity=2).run(suite)
|