def test_loop_faces(self):
b = get_test_box_shape()
t = Topo(b)
i = 0
for face in t.faces():
i += 1
assert(isinstance(face, TopoDS_Face))
assert(i == 6)
def test_loop_edges(self):
b = get_test_box_shape()
t = Topo(b)
i = 0
for face in t.edges():
i += 1
assert(isinstance(face, TopoDS_Edge))
assert(i == 12)
def test_creat_face(self):
# create a box
b = get_test_box_shape()
# take the first edge
t = Topo(b)
wire = next(t.wires())
my_wire = Wire(wire)
assert not my_wire.IsNull()
assert my_wire.tolerance == 1e-06
def test_creat_face(self):
# create a box
b = get_test_box_shape()
# take the first edge
t = Topo(b)
wire = t.wires().next()
my_wire = Wire(wire)
assert not my_wire.IsNull()
assert my_wire.tolerance == 1e-06
def test_creat_edge(self):
# create a box
b = get_test_box_shape()
# take the first edge
t = Topo(b)
edge_0 = next(t.edges()) # it's a TopoDS_Edge
assert not edge_0.IsNull()
# then create an edge
my_edge = Edge(edge_0)
assert not my_edge.IsNull()
assert my_edge.tolerance == 1e-06
assert my_edge.type == 'line'
assert my_edge.length() == 30.
def test_creat_edge(self):
# create a box
b = get_test_box_shape()
# take the first edge
t = Topo(b)
edge_0 = t.edges().next() # it's a TopoDS_Edge
assert not edge_0.IsNull()
# then create an edge
my_edge = Edge(edge_0)
assert not my_edge.IsNull()
assert my_edge.tolerance == 1e-06
assert my_edge.type == 'line'
assert my_edge.length() == 30.
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
def test_get_numbers_of_members(self):
b = get_test_box_shape()
t = Topo(b)
assert(t.number_of_faces() == 6)
assert(t.number_of_edges() == 12)
assert(t.number_of_vertices() == 8)
assert(t.number_of_wires() == 6)
assert(t.number_of_solids() == 1)
assert(t.number_of_shells() == 1)
assert(t.number_of_compounds() == 0)
assert(t.number_of_comp_solids() == 0)
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
def get_children(children_genotype):
res = [0 for _ in children_genotype]
for i in range(len(children_genotype)):
b = time.time()
res[i] = Topo(children_genotype[i])
print('i = {0} and time = {1}'.format(i, time.time() - b))
return res
def get_population(pop_len, geno_len):
res = [0 for _ in range(pop_len)]
for i in range(pop_len):
b = time.time()
res[i] = Topo(get_genotypes(geno_len))
print('i = {0} and time = {1}'.format(i, time.time() - b))
return res
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 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 __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 analyse(self):
"""
:return:
"""
ss = ShapeAnalysis_Shell(self)
if ss.HasFreeEdges():
bad_edges = [e for e in Topo(ss.BadEdges()).edges()]
return bad_edges
def fit_plane_through_face_vertices(_face):
"""
:param _face: OCC.KBE.face.Face instance
:return: Geom_Plane
"""
from OCC.GeomPlate import GeomPlate_BuildAveragePlane
uvs_from_vertices = [
_face.project_vertex(vertex2pnt(i)) for i in Topo(_face).vertices()
]
normals = [
gp_Vec(_face.DiffGeom.normal(*uv[0])) for uv in uvs_from_vertices
]
points = [i[1] for i in uvs_from_vertices]
NORMALS = TColgp_SequenceOfVec()
[NORMALS.Append(i) for i in normals]
POINTS = to_tcol_(points, TColgp_HArray1OfPnt)
pl = GeomPlate_BuildAveragePlane(NORMALS, POINTS).Plane().GetObject()
vec = gp_Vec(pl.Location(), _face.GlobalProperties.centre())
pt = (pl.Location().as_vec() + vec).as_pnt()
pl.SetLocation(pt)
return pl
def shells(self):
return (Shell(sh) for sh in Topo(self))
# Curve.graphic
#===========================================================================
def show(self, poles=False, vertices=False, knots=False):
'''
poles, knots, should render all slightly different.
here's how...
http://www.opencascade.org/org/forum/thread_1125/
'''
show = super(Edge, self).show()
def update(self, context):
'''updates the graphic presentation when called
'''
raise NotImplementedError
@property
def color(self, *rgb):
'''color descriptor for the curve
'''
raise NotImplementedError
if __name__ == '__main__':
from OCC.BRepPrimAPI import *
from Topology import Topo
b = BRepPrimAPI_MakeBox(10, 20, 30).Shape()
t = Topo(b)
ed = t.edges().next()
my_e = Edge(ed)
print(my_e.tolerance)
def setUp(self):
self.topo = Topo(get_test_box_shape())
assert self.topo
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()
def topo(self):
if self._topo is not None:
return self._topo
else:
self._topo = Topo(self)
return self._topo
def Edges(self):
return Topo(self, True).edges()
def Wires(self):
"""
:return:
"""
return Topo(self, True).wires()
def Faces(self):
"""
:return:
"""
return Topo(self, True).faces()
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()
def setUp(self):
self.topo = Topo(get_test_box_shape())
assert self.topo
