def test_precision(self): pface = Polyface(precision=3) pface.add_vertex( (1.0001, 1.0, 1.0) ) pface.add_vertex( (1.0002, 1.0, 1.0) ) self.assertEqual(len(pface.vertices), 1) pface.add_vertex( (1.001, 1.0, 1.0) ) self.assertEqual(len(pface.vertices), 2)
def test_optimize_simple_4points_polyface(self): pface = Polyface() pface.add_face([(0,0), (1,0), (1,1), (0,0)]) # 1 == 4 -> use vt1 instead of vt4 vt1 = " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" vt2 = " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" vt3 = " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n1.0\n 30\n0.0\n 70\n192\n" vtface = " 0\nVERTEX\n 62\n0\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n128\n" \ " 71\n1\n 72\n2\n 73\n3\n 74\n1\n" expected = " 0\nPOLYLINE\n 8\n0\n 66\n1\n" \ " 70\n64\n 71\n3\n 72\n1\n" + vt1 + vt2 + vt3 + vtface + " 0\nSEQEND\n" self.assertEqual(dxfstr(pface), expected)
def test_stable_order(self): pface = Polyface() pface.add_face([(0,0), (1,1), (1,0)]) vt1 = " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" vt2 = " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n1.0\n 30\n0.0\n 70\n192\n" vt3 = " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" vtface = " 0\nVERTEX\n 62\n0\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n128\n" \ " 71\n1\n 72\n2\n 73\n3\n" expected = " 0\nPOLYLINE\n 8\n0\n 66\n1\n" \ " 70\n64\n 71\n3\n 72\n1\n" + vt1 + vt2 + vt3 + vtface + " 0\nSEQEND\n" self.assertEqual(dxfstr(pface), expected)
def test_stable_order(self): pface = Polyface() pface.add_face([(0, 0), (1, 1), (1, 0)]) vt1 = " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" vt2 = " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n1.0\n 30\n0.0\n 70\n192\n" vt3 = " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" vtface = " 0\nVERTEX\n 62\n0\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n128\n" \ " 71\n1\n 72\n2\n 73\n3\n" expected = " 0\nPOLYLINE\n 8\n0\n 66\n1\n" \ " 70\n64\n 71\n3\n 72\n1\n" + vt1 + vt2 + vt3 + vtface + " 0\nSEQEND\n" self.assertEqual(dxfstr(pface), expected)
def test_optimize_simple_4points_polyface(self): pface = Polyface() pface.add_face([(0,0), (1,0), (1,1), (0,0)]) # 1 == 4 -> use vt1 instead of vt4 vt1 = " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" vt2 = " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" vt3 = " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n1.0\n 30\n0.0\n 70\n192\n" vtface = " 0\nVERTEX\n 62\n0\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n128\n" \ " 71\n1\n 72\n2\n 73\n3\n 74\n1\n" expected = " 0\nPOLYLINE\n 8\n0\n 66\n1\n" \ " 70\n64\n 71\n3\n 72\n1\n" + vt1 + vt2 + vt3 + vtface + " 0\nSEQEND\n" self.assertEqual(dxfstr(pface), expected)
def polyface(precision=6, **kwargs): """ Create a new polyface entity, polyface is a dxf-polyline entity! :param precision: vertex-coords will be rounded to precision places, and if the vertex is equal to an other vertex, only one vertex will be used, this reduces filespace, the coords will be rounded only for the comparison of the vertices, the output file has the full float resolution. """ return Polyface(precision, **kwargs)
def test_precision(self): pface = Polyface(precision=3) pface.add_vertex((1.0001, 1.0, 1.0)) pface.add_vertex((1.0002, 1.0, 1.0)) self.assertEqual(len(pface.vertices), 1) pface.add_vertex((1.001, 1.0, 1.0)) self.assertEqual(len(pface.vertices), 2)
def test_cube_of_polyfaces(self): pface = Polyface() # cube corner points p1 = pface.add_vertex( (0,0,0) ) p2 = pface.add_vertex( (0,0,1) ) p3 = pface.add_vertex( (0,1,0) ) p4 = pface.add_vertex( (0,1,1) ) p5 = pface.add_vertex( (1,0,0) ) p6 = pface.add_vertex( (1,0,1) ) p7 = pface.add_vertex( (1,1,0) ) p8 = pface.add_vertex( (1,1,1) ) # define the 6 cube faces # look into -x direction pface.add_face_by_indices([p1, p5, p7, p3]) # base pface.add_face_by_indices([p1, p5, p6, p2]) # left pface.add_face_by_indices([p5, p7, p8, p6]) # front pface.add_face_by_indices([p7, p8, p4, p3]) # right pface.add_face_by_indices([p1, p3, p4, p2]) # back pface.add_face_by_indices([p2, p6, p8, p4]) # top vt = " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n1.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n1.0\n 30\n0.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n1.0\n 30\n1.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n0.0\n 30\n1.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n1.0\n 30\n0.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n1.0\n 30\n1.0\n 70\n192\n" vtf_prefix = " 0\nVERTEX\n 62\n0\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n128\n" vtf = vtf_prefix + " 71\n1\n 72\n5\n 73\n7\n 74\n3\n" + \ vtf_prefix + " 71\n1\n 72\n5\n 73\n6\n 74\n2\n" + \ vtf_prefix + " 71\n5\n 72\n7\n 73\n8\n 74\n6\n" + \ vtf_prefix + " 71\n7\n 72\n8\n 73\n4\n 74\n3\n" + \ vtf_prefix + " 71\n1\n 72\n3\n 73\n4\n 74\n2\n" + \ vtf_prefix + " 71\n2\n 72\n6\n 73\n8\n 74\n4\n" expected = " 0\nPOLYLINE\n 8\n0\n 66\n1\n" \ " 70\n64\n 71\n8\n 72\n6\n" + vt + vtf + " 0\nSEQEND\n" self.assertEqual(dxfstr(pface), expected)
def test_cube_of_polyfaces(self): pface = Polyface() # cube corner points p1 = pface.add_vertex((0, 0, 0)) p2 = pface.add_vertex((0, 0, 1)) p3 = pface.add_vertex((0, 1, 0)) p4 = pface.add_vertex((0, 1, 1)) p5 = pface.add_vertex((1, 0, 0)) p6 = pface.add_vertex((1, 0, 1)) p7 = pface.add_vertex((1, 1, 0)) p8 = pface.add_vertex((1, 1, 1)) # define the 6 cube faces # look into -x direction pface.add_face_by_indices([p1, p5, p7, p3]) # base pface.add_face_by_indices([p1, p5, p6, p2]) # left pface.add_face_by_indices([p5, p7, p8, p6]) # front pface.add_face_by_indices([p7, p8, p4, p3]) # right pface.add_face_by_indices([p1, p3, p4, p2]) # back pface.add_face_by_indices([p2, p6, p8, p4]) # top vt = " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n1.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n1.0\n 30\n0.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n0.0\n 20\n1.0\n 30\n1.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n0.0\n 30\n0.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n0.0\n 30\n1.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n1.0\n 30\n0.0\n 70\n192\n" + \ " 0\nVERTEX\n 8\n0\n 10\n1.0\n 20\n1.0\n 30\n1.0\n 70\n192\n" vtf_prefix = " 0\nVERTEX\n 62\n0\n 8\n0\n 10\n0.0\n 20\n0.0\n 30\n0.0\n 70\n128\n" vtf = vtf_prefix + " 71\n1\n 72\n5\n 73\n7\n 74\n3\n" + \ vtf_prefix + " 71\n1\n 72\n5\n 73\n6\n 74\n2\n" + \ vtf_prefix + " 71\n5\n 72\n7\n 73\n8\n 74\n6\n" + \ vtf_prefix + " 71\n7\n 72\n8\n 73\n4\n 74\n3\n" + \ vtf_prefix + " 71\n1\n 72\n3\n 73\n4\n 74\n2\n" + \ vtf_prefix + " 71\n2\n 72\n6\n 73\n8\n 74\n4\n" expected = " 0\nPOLYLINE\n 8\n0\n 66\n1\n" \ " 70\n64\n 71\n8\n 72\n6\n" + vt + vtf + " 0\nSEQEND\n" self.assertEqual(dxfstr(pface), expected)