def __init__(self, shape):
if not shape.IsNull():
if not shape.ShapeType() == Shape.SOLID:
raise TypeError('Shape is not a TopoDS_Solid.')
if not isinstance(shape, TopoDS_Solid):
shape = TopoDS.Solid_(shape)
super(Solid, self).__init__(shape)
def to_solid(cls, entity):
"""
Convert an entity to a solid.
:param entity: The entity.
:return: A solid.
:rtype: OCCT.TopoDS.TopoDS_Solid
:raise TypeError: If entity cannot be converted to a solid.
"""
if isinstance(entity, TopoDS_Solid):
return entity
if cls.is_shape(entity) and entity.ShapeType() == TopAbs_SOLID:
return TopoDS.Solid_(entity)
raise TypeError('Failed to convert entity to a solid.')
def get_solids(shape):
"""
Get solids from a shape.
:param OCCT.TopoDS.TopoDS_Shape shape: The shape.
:return: Solids of shape.
:rtype: list[OCCT.TopoDS.TopoDS_Solid]
"""
if isinstance(shape, TopoDS_Solid):
return [shape]
exp = TopExp_Explorer(shape, TopAbs_SOLID)
solids = []
while exp.More():
si = exp.Current()
solid = TopoDS.Solid_(si)
solids.append(solid)
exp.Next()
return solids
def __init__(self,
shapes,
intersect=False,
fuzzy_val=None,
nondestructive=False):
super(VolumeMaker, self).__init__(None, None, fuzzy_val,
nondestructive, BOPAlgo_MakerVolume)
self.set_args(shapes)
if intersect:
self._bop.SetIntersect(True)
else:
self._bop.SetIntersect(False)
self.build()
self._solids = []
for solid in ExploreShape.get_solids(self.shape):
self._solids.append(TopoDS.Solid_(solid))
def to_shape(cls, entity):
"""
Convert the entity to a shape. This method tries to convert the
entity to its most specific shape type.
:param entity: The entity.
:return: A shape.
:rtype: OCCT.TopoDS.TopoDS_Shape
:raise TypeError: If entity cannot be converted to a shape.
"""
if entity is None:
return None
# Shapes
if isinstance(entity, TopoDS_Shape):
if entity.IsNull():
raise TypeError('Cannot convert null shape.')
elif entity.ShapeType() == TopAbs_VERTEX:
return TopoDS.Vertex_(entity)
elif entity.ShapeType() == TopAbs_EDGE:
return TopoDS.Edge_(entity)
elif entity.ShapeType() == TopAbs_WIRE:
return TopoDS.Wire_(entity)
elif entity.ShapeType() == TopAbs_FACE:
return TopoDS.Face_(entity)
elif entity.ShapeType() == TopAbs_SHELL:
return TopoDS.Shell_(entity)
elif entity.ShapeType() == TopAbs_SOLID:
return TopoDS.Solid_(entity)
elif entity.ShapeType() == TopAbs_COMPSOLID:
return TopoDS.CompSolid_(entity)
elif entity.ShapeType() == TopAbs_COMPOUND:
return TopoDS.Compound_(entity)
else:
raise TypeError('Failed to convert entity to a shape.')
raise TypeError('Failed to convert entity to a shape.')