class LoopWirePairs(object):
'''
for looping through consequtive wires
assures that the returned edge pairs are ordered
'''
def __init__(self, wireA, wireB):
self.wireA = wireA
self.wireB = wireB
self.we_A = WireExplorer(self.wireA)
self.we_B = WireExplorer(self.wireB)
self.tp_A = Topo(self.wireA)
self.tp_B = Topo(self.wireB)
self.bt = BRep_Tool()
self.vertsA = [v for v in self.we_A.ordered_vertices()]
self.vertsB = [v for v in self.we_B.ordered_vertices()]
self.edgesA = [v for v in WireExplorer(wireA).ordered_edges()]
self.edgesB = [v for v in WireExplorer(wireB).ordered_edges()]
self.pntsB = [self.bt.Pnt(v) for v in self.vertsB]
self.number_of_vertices = len(self.vertsA)
self.index = 0
def closest_point(self, vertexFromWireA):
pt = self.bt.Pnt(vertexFromWireA)
distances = [pt.Distance(i) for i in self.pntsB]
indx_max_dist = distances.index(min(distances))
return self.vertsB[indx_max_dist]
def next(self):
if self.index == self.number_of_vertices:
raise StopIteration
vert = self.vertsA[self.index]
closest = self.closest_point(vert)
edges_a = self.tp_A.edges_from_vertex(vert)
edges_b = self.tp_B.edges_from_vertex(closest)
a1, a2 = Edge(edges_a.next()), Edge(edges_a.next())
b1, b2 = Edge(edges_b.next()), Edge(edges_b.next())
mpA = a1.mid_point()
self.index += 1
if mpA.Distance(b1.mid_point()) < mpA.Distance(b2.mid_point()):
return iter([a1, a2]), iter([b1, b2])
else:
return iter([a1, a2]), iter([b2, b1])
def __iter__(self):
return self
class LoopWirePairs(object):
'''
for looping through consequtive wires
assures that the returned edge pairs are ordered
'''
def __init__(self, wireA, wireB):
self.wireA = wireA
self.wireB = wireB
self.we_A = WireExplorer(self.wireA)
self.we_B = WireExplorer(self.wireB)
self.tp_A = Topo(self.wireA)
self.tp_B = Topo(self.wireB)
self.bt = BRep_Tool()
self.vertsA = [v for v in self.we_A.ordered_vertices()]
self.vertsB = [v for v in self.we_B.ordered_vertices()]
self.edgesA = [v for v in WireExplorer(wireA).ordered_edges()]
self.edgesB = [v for v in WireExplorer(wireB).ordered_edges()]
self.pntsB = [self.bt.Pnt(v) for v in self.vertsB]
self.number_of_vertices = len(self.vertsA)
self.index = 0
def closest_point(self, vertexFromWireA):
pt = self.bt.Pnt(vertexFromWireA)
distances = [pt.Distance(i) for i in self.pntsB]
indx_max_dist = distances.index(min(distances))
return self.vertsB[indx_max_dist]
def next(self):
if self.index == self.number_of_vertices:
raise StopIteration
vert = self.vertsA[self.index]
closest = self.closest_point(vert)
edges_a = self.tp_A.edges_from_vertex(vert)
edges_b = self.tp_B.edges_from_vertex(closest)
a1, a2 = Edge(next(edges_a)), Edge(next(edges_a))
b1, b2 = Edge(next(edges_b)), Edge(next(edges_b))
mpA = a1.mid_point()
self.index += 1
if mpA.Distance(b1.mid_point()) < mpA.Distance(b2.mid_point()):
return iter([a1, a2]), iter([b1, b2])
else:
return iter([a1, a2]), iter([b2, b1])
def __iter__(self):
return self
class TestTopo(unittest.TestCase):
def setUp(self):
self.topo = Topo(get_test_box_shape())
assert self.topo
def test_loop_faces(self):
i = 0
for face in self.topo.faces():
i += 1
assert(isinstance(face, TopoDS_Face))
assert(i == 6)
def test_loop_edges(self):
i = 0
for face in self.topo.edges():
i += 1
assert(isinstance(face, TopoDS_Edge))
assert(i == 12)
def number_of_topological_entities(self):
assert(self.topo.number_of_faces() == 6)
assert(self.topo.number_of_edges() == 12)
assert(self.topo.number_of_vertices() == 8)
assert(self.topo.number_of_wires() == 6)
assert(self.topo.number_of_solids() == 1)
assert(self.topo.number_of_shells() == 1)
assert(self.topo.number_of_compounds() == 0)
assert(self.topo.number_of_comp_solids() == 0)
def test_nested_iteration(self):
'''check nested looping'''
for f in self.topo.faces():
for e in self.topo.edges():
assert isinstance(f, TopoDS_Face)
assert isinstance(e, TopoDS_Edge)
def test_kept_reference(self):
'''did we keep a reference after looping several time through a list
of topological entities?'''
_tmp = []
_faces = [i for i in self.topo.faces()]
for f in _faces:
_tmp.append(0 == f.IsNull())
for f in _faces:
_tmp.append(0 == f.IsNull())
self.assert_(all(_tmp))
def test_edge_face(self):
edg = self.topo.edges().next()
face = self.topo.faces().next()
faces_from_edge = [i for i in self.topo.faces_from_edge(edg)]
self.assert_(len(faces_from_edge) == self.topo.number_of_faces_from_edge(edg))
edges_from_face = [i for i in self.topo.edges_from_face(face)]
self.assert_(len(edges_from_face) == self.topo.number_of_edges_from_face(face))
def test_edge_wire(self):
edg = self.topo.edges().next()
wire = self.topo.wires().next()
wires_from_edge = [i for i in self.topo.wires_from_edge(edg)]
self.assert_(len(wires_from_edge) == self.topo.number_of_wires_from_edge(edg))
edges_from_wire = [i for i in self.topo.edges_from_wire(wire)]
self.assert_(len(edges_from_wire) == self.topo.number_of_edges_from_wire(wire))
def test_vertex_edge(self):
vert = self.topo.vertices().next()
edge = self.topo.edges().next()
verts_from_edge = [i for i in self.topo.vertices_from_edge(edge)]
self.assert_(len(verts_from_edge) == self.topo.number_of_vertices_from_edge(edge))
edges_from_vert = [i for i in self.topo.edges_from_vertex(vert)]
self.assert_(len(edges_from_vert) == self.topo.number_of_edges_from_vertex(vert))
def test_vertex_face(self):
vert = self.topo.vertices().next()
face = self.topo.faces().next()
faces_from_vertex = [i for i in self.topo.faces_from_vertex(vert)]
self.assert_(len(faces_from_vertex) == self.topo.number_of_faces_from_vertex(vert))
verts_from_face = [i for i in self.topo.vertices_from_face(face)]
self.assert_(len(verts_from_face) == self.topo.number_of_vertices_from_face(face))
def test_face_solid(self):
face = self.topo.faces().next()
solid = self.topo.solids().next()
faces_from_solid = [i for i in self.topo.faces_from_solids(solid)]
self.assert_(len(faces_from_solid) == self.topo.number_of_faces_from_solids(solid))
solids_from_face = [i for i in self.topo.solids_from_face(face)]
self.assert_(len(solids_from_face) == self.topo.number_of_solids_from_face(face))
def test_wire_face(self):
wire = self.topo.wires().next()
face = self.topo.faces().next()
faces_from_wire = [i for i in self.topo.faces_from_wire(wire)]
self.assert_(len(faces_from_wire) == self.topo.number_of_faces_from_wires(wire))
wires_from_face = [i for i in self.topo.wires_from_face(face)]
self.assert_(len(wires_from_face) == self.topo.number_of_wires_from_face(face))
def test_edges_out_of_scope(self):
# check pointers going out of scope
face = self.topo.faces().next()
_edges = []
for edg in Topo(face).edges():
_edges.append(edg)
for edg in _edges:
assert not edg.IsNull()
def test_wires_out_of_scope(self):
# check pointers going out of scope
wire = self.topo.wires().next()
_edges, _vertices = [], []
for edg in WireExplorer(wire).ordered_edges():
_edges.append(edg)
for edg in _edges:
assert not edg.IsNull()
for vert in WireExplorer(wire).ordered_vertices():
_vertices.append(vert)
for v in _vertices:
assert not v.IsNull()
class TestTopo(unittest.TestCase):
def setUp(self):
self.topo = Topo(get_test_box_shape())
assert self.topo
def test_loop_faces(self):
i = 0
for face in self.topo.faces():
i += 1
assert (isinstance(face, TopoDS_Face))
assert (i == 6)
def test_loop_edges(self):
i = 0
for face in self.topo.edges():
i += 1
assert (isinstance(face, TopoDS_Edge))
assert (i == 12)
def number_of_topological_entities(self):
assert (self.topo.number_of_faces() == 6)
assert (self.topo.number_of_edges() == 12)
assert (self.topo.number_of_vertices() == 8)
assert (self.topo.number_of_wires() == 6)
assert (self.topo.number_of_solids() == 1)
assert (self.topo.number_of_shells() == 1)
assert (self.topo.number_of_compounds() == 0)
assert (self.topo.number_of_comp_solids() == 0)
def test_nested_iteration(self):
'''check nested looping'''
for f in self.topo.faces():
for e in self.topo.edges():
assert isinstance(f, TopoDS_Face)
assert isinstance(e, TopoDS_Edge)
def test_kept_reference(self):
'''did we keep a reference after looping several time through a list
of topological entities?'''
_tmp = []
_faces = [i for i in self.topo.faces()]
for f in _faces:
_tmp.append(0 == f.IsNull())
for f in _faces:
_tmp.append(0 == f.IsNull())
self.assertTrue(all(_tmp))
def test_edge_face(self):
edg = next(self.topo.edges())
face = next(self.topo.faces())
faces_from_edge = [i for i in self.topo.faces_from_edge(edg)]
self.assertTrue(
len(faces_from_edge) == self.topo.number_of_faces_from_edge(edg))
edges_from_face = [i for i in self.topo.edges_from_face(face)]
self.assertTrue(
len(edges_from_face) == self.topo.number_of_edges_from_face(face))
def test_edge_wire(self):
edg = next(self.topo.edges())
wire = next(self.topo.wires())
wires_from_edge = [i for i in self.topo.wires_from_edge(edg)]
self.assertTrue(
len(wires_from_edge) == self.topo.number_of_wires_from_edge(edg))
edges_from_wire = [i for i in self.topo.edges_from_wire(wire)]
self.assertTrue(
len(edges_from_wire) == self.topo.number_of_edges_from_wire(wire))
def test_vertex_edge(self):
vert = next(self.topo.vertices())
edge = next(self.topo.edges())
verts_from_edge = [i for i in self.topo.vertices_from_edge(edge)]
self.assertTrue(
len(verts_from_edge) == self.topo.number_of_vertices_from_edge(
edge))
edges_from_vert = [i for i in self.topo.edges_from_vertex(vert)]
self.assertTrue(
len(edges_from_vert) == self.topo.number_of_edges_from_vertex(
vert))
def test_vertex_face(self):
vert = next(self.topo.vertices())
face = next(self.topo.faces())
faces_from_vertex = [i for i in self.topo.faces_from_vertex(vert)]
self.assertTrue(
len(faces_from_vertex) == self.topo.number_of_faces_from_vertex(
vert))
verts_from_face = [i for i in self.topo.vertices_from_face(face)]
self.assertTrue(
len(verts_from_face) == self.topo.number_of_vertices_from_face(
face))
def test_face_solid(self):
face = next(self.topo.faces())
solid = next(self.topo.solids())
faces_from_solid = [i for i in self.topo.faces_from_solids(solid)]
self.assertTrue(
len(faces_from_solid) == self.topo.number_of_faces_from_solids(
solid))
solids_from_face = [i for i in self.topo.solids_from_face(face)]
self.assertTrue(
len(solids_from_face) == self.topo.number_of_solids_from_face(
face))
def test_wire_face(self):
wire = next(self.topo.wires())
face = next(self.topo.faces())
faces_from_wire = [i for i in self.topo.faces_from_wire(wire)]
self.assertTrue(
len(faces_from_wire) == self.topo.number_of_faces_from_wires(wire))
wires_from_face = [i for i in self.topo.wires_from_face(face)]
self.assertTrue(
len(wires_from_face) == self.topo.number_of_wires_from_face(face))
def test_edges_out_of_scope(self):
# check pointers going out of scope
face = next(self.topo.faces())
_edges = []
for edg in Topo(face).edges():
_edges.append(edg)
for edg in _edges:
assert not edg.IsNull()
def test_wires_out_of_scope(self):
# check pointers going out of scope
wire = next(self.topo.wires())
_edges, _vertices = [], []
for edg in WireExplorer(wire).ordered_edges():
_edges.append(edg)
for edg in _edges:
assert not edg.IsNull()
for vert in WireExplorer(wire).ordered_vertices():
_vertices.append(vert)
for v in _vertices:
assert not v.IsNull()
