def distance(self, other):
"""
Find the minimum distance between the part and other shape.
:param other: Other part or shape.
:type other: afem.topology.entities.Shape or
afem.structure.entities.Part
:return: The minimum distance.
:rtype: float
"""
other = shape_of_entity(other)
return DistanceShapeToShape(self._shape, other).dmin
def discard_by_dmin(self, entity, dmin):
"""
Discard shapes of the part using a shape and a distance. If the
distance between a shape of the part and the given shape is less
than *dmin*, then the shape is removed. Edges are checked
for curve parts and faces are checked for surface parts.
:param entity: The shape.
:type entity: afem.topology.entities.Shape or
afem.geometry.entities.Geometry
:param float dmin: The minimum distance.
:return: *True* if shapes were discarded, *False* if not.
:rtype: bool
:raise TypeError: If this part is not a curve or surface part.
"""
entity = Shape.to_shape(entity)
if isinstance(self, CurvePart):
shapes = self.shape.edges
elif isinstance(self, SurfacePart):
shapes = self.shape.faces
else:
msg = 'Invalid part type in discard operation.'
raise TypeError(msg)
rebuild = RebuildShapeWithShapes(self._shape)
modified = False
for part_shape in shapes:
dmin_ = DistanceShapeToShape(entity, part_shape).dmin
if dmin > dmin_:
rebuild.remove(part_shape)
modified = True
if not modified:
return False
new_shape = rebuild.apply()
self.set_shape(new_shape)
return True