def get_boundingbox(shape, tol=1e-6, use_mesh=True):
""" return the bounding box of the TopoDS_Shape `shape`
Parameters
----------
shape : TopoDS_Shape or a subclass such as TopoDS_Face
the shape to compute the bounding box from
tol: float
tolerance of the computed boundingbox
use_mesh : bool
a flag that tells whether or not the shape has first to be meshed before the bbox
computation. This produces more accurate results
"""
bbox = Bnd_Box()
bbox.SetGap(tol)
if use_mesh:
mesh = BRepMesh_IncrementalMesh()
mesh.SetParallel(True)
mesh.SetShape(shape)
mesh.Perform()
if not mesh.IsDone():
raise AssertionError("Mesh not done.")
brepbndlib_Add(shape, bbox, use_mesh)
xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
return xmin, ymin, zmin, xmax, ymax, zmax, xmax - xmin, ymax - ymin, zmax - zmin
def get_boundingbox(shape: TopoDS_Shape,
tol=1e-6,
use_mesh=True) -> Tuple[tuple, tuple]:
"""
:param shape: TopoDS_Shape or a subclass such as TopoDS_Face the shape to compute the bounding box from
:param tol: tolerance of the computed boundingbox
:param use_mesh: a flag that tells whether or not the shape has first to be meshed before the bbox computation.
This produces more accurate results
:return: return the bounding box of the TopoDS_Shape `shape`
"""
bbox = Bnd_Box()
bbox.SetGap(tol)
if use_mesh:
mesh = BRepMesh_IncrementalMesh()
mesh.SetParallelDefault(True)
mesh.SetShape(shape)
mesh.Perform()
if not mesh.IsDone():
raise AssertionError("Mesh not done.")
brepbndlib_Add(shape, bbox, use_mesh)
xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
return (xmin, ymin, zmin), (xmax, ymax, zmax)
def get_boundingbox(shape: TopoDS_Shape, tol=1e-6, use_mesh=True):
bbox = Bnd_Box()
bbox.SetGap(tol)
if use_mesh:
mesh = BRepMesh_IncrementalMesh()
mesh.SetParallelDefault(True)
mesh.SetShape(shape)
mesh.Perform()
if not mesh.IsDone():
raise AssertionError("Mesh not done.")
brepbndlib_Add(shape, bbox, use_mesh)
xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
return xmin, ymin, zmin, xmax, ymax, zmax, xmax - xmin, ymax - ymin, zmax - zmin
def z_max_finder(stl_shp,tol=1e-6,use_mesh=True):
"""first change the model to mesh form in order to get an
accurate MAX and Min bounfing box from topology"""
bbox = Bnd_Box()
bbox.SetGap(tol)
if use_mesh:
mesh = BRepMesh_IncrementalMesh()
mesh.SetParallelDefault(True)
mesh.SetShape(stl_shp)
mesh.Perform()
if not mesh.IsDone():
raise AssertionError("Mesh not done.")
brepbndlib_Add(stl_shp, bbox, use_mesh)
xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
return zmax
def get_boundingbox(shape, tol=1e-6, use_mesh=True):
bbox = Bnd_Box()
bbox.SetGap(tol)
if use_mesh:
mesh = BRepMesh_IncrementalMesh()
mesh.SetParallel(True)
mesh.SetShape(shape)
mesh.Perform()
assert mesh.IsDone()
brepbndlib_Add(shape, bbox, use_mesh)
xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
return [
xmin, ymin, zmin, xmax, ymax, zmax, xmax - xmin, ymax - ymin,
zmax - zmin
]
