def __init__(self, shape):
tool = ShapeAnalysis_FreeBounds(shape.object)
closed_wires = Compound(tool.GetClosedWires())
open_wires = Compound(tool.GetOpenWires())
self._closed_wires = closed_wires.wires
self._open_wires = open_wires.wires
self._edges = closed_wires.edges + open_wires.edges
def __init__(self, shape):
tool = ShapeAnalysis_FreeBounds(shape)
cmp_closed_wires = tool.GetClosedWires()
cmp_open_wires = tool.GetOpenWires()
self._closed_wires = ExploreShape.get_wires(cmp_closed_wires)
self._open_wires = ExploreShape.get_wires(cmp_open_wires)
self._edges = (ExploreShape.get_edges(cmp_closed_wires) +
ExploreShape.get_edges(cmp_open_wires))
def load_dxf(filename):
doc = ezdxf.readfile(filename)
edges = TopTools_HSequenceOfShape()
for element in doc.modelspace():
dxf_type = element.dxftype()
d = element.dxf
if dxf_type == 'LINE':
node = Segment(points=[d.start, d.end]).render()
elif dxf_type == 'ARC':
node = Arc(position=d.center,
radius=d.radius,
alpha1=radians(d.start_angle),
alpha2=radians(d.end_angle)).render()
elif dxf_type == 'CIRCLE':
node = Circle(radius=d.radius, position=d.center).render()
else:
log.warning(f"Unhandled element: {element}")
continue
edges.Append(node)
wires = ShapeAnalysis_FreeBounds.ConnectEdgesToWires_(edges, 1e-6, False)
builder = BRep_Builder()
shape = TopoDS_Compound()
builder.MakeCompound(shape)
for i in range(1, wires.Size() + 1):
builder.Add(shape, wires.Value(i))
return [TopoShape(shape=shape)]
def __init__(self, edges, tol=None, shared=False):
# Build
hedges = TopTools_HSequenceOfShape()
for e in edges:
hedges.Append(e.object)
if tol is None:
tol = max([e.tol_max for e in edges])
hwires = ShapeAnalysis_FreeBounds.ConnectEdgesToWires_(
hedges, tol, shared)
wires = []
for i in range(1, hwires.Length() + 1):
w = Wire(hwires.Value(i))
wires.append(w)
self._wires = wires
def test_ConnectEdgesToWires(self):
"""
Test ShapeAnalysis_FreeBounds::ConnectEdgesToWires
"""
p1 = gp_Pnt()
p2 = gp_Pnt(1, 0, 0)
e1 = BRepBuilderAPI_MakeEdge(p1, p2).Edge()
p3 = gp_Pnt(1, 1, 0)
e2 = BRepBuilderAPI_MakeEdge(p2, p3).Edge()
seq = TopTools_HSequenceOfShape()
seq.Append(e1)
seq.Append(e2)
wires = ShapeAnalysis_FreeBounds.ConnectEdgesToWires_(
seq, 1.0e-7, False)
self.assertFalse(wires.IsEmpty())
self.assertEqual(wires.Length(), 1)