def _boundaries_to_polygons(boundaries, ocs, elevation):
paths = (from_hatch_boundary_path(boundary, ocs, elevation)
for boundary in boundaries)
for polygon in fast_bbox_detection(paths):
exterior = polygon[0]
# only take exterior path of level 1 holes, nested holes are ignored
yield exterior, [hole[0] for hole in polygon[1:]]
def closed_loops(
paths: List[AbstractBoundaryPath],
ocs: OCS,
elevation: float,
offset: Vec3 = NULLVEC,
) -> List[Path]:
loops = []
for boundary in paths:
path = from_hatch_boundary_path(boundary, ocs, elevation, offset)
assert isinstance(
path.user_data,
const.BoundaryPathState), "missing attached boundary path state"
for sub_path in path.sub_paths():
sub_path.close()
loops.append(sub_path)
return loops
def to_path(p):
path = from_hatch_boundary_path(p, ocs, elevation)
path.close()
return path
def boundary_to_vertices(boundary) -> List[Vec3]:
path = from_hatch_boundary_path(boundary, ocs, elevation)
return path_to_vertices(path)