def sortWiresByBuildOrder(wireList, plane, result=[]):
"""Tries to determine how wires should be combined into faces.
Assume:
The wires make up one or more faces, which could have 'holes'
Outer wires are listed ahead of inner wires
there are no wires inside wires inside wires
( IE, islands -- we can deal with that later on )
none of the wires are construction wires
Compute:
one or more sets of wires, with the outer wire listed first, and inner
ones
Returns, list of lists.
"""
# check if we have something to sort at all
if len(wireList) < 2:
return [
wireList,
]
# make a Face
face = Face.makeFromWires(wireList[0], wireList[1:])
# use FixOrientation
outer_inner_map = TopTools_DataMapOfShapeListOfShape()
sf = ShapeFix_Face(face.wrapped) # fix wire orientation
sf.FixOrientation(outer_inner_map)
# Iterate through the Inner:Outer Mapping
all_wires = face.Wires()
result = {
w: outer_inner_map.Find(w.wrapped)
for w in all_wires if outer_inner_map.IsBound(w.wrapped)
}
# construct the result
rv = []
for k, v in result.items():
tmp = [
k,
]
iterator = TopTools_ListIteratorOfListOfShape(v)
while iterator.More():
tmp.append(Wire(iterator.Value()))
iterator.Next()
rv.append(tmp)
return rv
def makeFromWires(cls, outerWire, innerWires=[]):
'''
Makes a planar face from one or more wires
'''
face_builder = BRepBuilderAPI_MakeFace(outerWire.wrapped,
True) # True is for planar only
for w in innerWires:
face_builder.Add(w.wrapped)
face_builder.Build()
f = face_builder.Face()
sf = ShapeFix_Face(f) # fix wire orientation
sf.FixOrientation()
return cls(sf.Face())
def fix_face(occ_face):
"""
This function fixes an OCCface.
Parameters
----------
occface : OCCface
The OCCface to be fixed.
Returns
-------
fixed face : OCCface
The fixed OCCface.
"""
fix = ShapeFix_Face(occ_face)
#fix.FixMissingSeam()
fix.FixOrientation()
fix.Perform()
return fix.Face()
def fix_face(shp, tolerance=1e-3):
fix = ShapeFix_Face(shp)
fix.SetMaxTolerance(tolerance)
fix.Perform()
return fix.Face()