def add_shape(self, shape):
"""
Add shape to the bounding box.
:param afem.topology.entities.Shape shape: The shape.
:return: None.
"""
BRepBndLib.Add_(shape.object, self, True)
def get_bounding_box(self, shape=None):
shape = shape or self.shape
if not shape:
return BBox()
bbox = Bnd_Box()
BRepBndLib.Add_(shape, bbox)
pmin, pmax = bbox.CornerMin(), bbox.CornerMax()
return BBox(*(pmin.X(), pmin.Y(), pmin.Z(), pmax.X(), pmax.Y(),
pmax.Z()))
def get_bounding_box(self, shapes):
""" Compute the bounding box for the given list of shapes. Return values
are in 3d coordinate space.
Parameters
----------
shapes: List
A list of TopoDS_Shape to compute a bbox for
Returns
-------
bbox: Tuple
A tuple of (xmin, ymin, zmin, xmax, ymax, zmax).
"""
bbox = Bnd_Box()
for shape in shapes:
BRepBndLib.Add_(shape, bbox)
try:
pmin = bbox.CornerMin()
pmax = bbox.CornerMax()
except RuntimeError:
return (0, 0, 0, 0, 0, 0)
return (pmin.X(), pmin.Y(), pmin.Z(), pmax.X(), pmax.Y(), pmax.Z())