def shared_faces(self, other, as_compound=False):
"""
Get shared faces between this shape and the other.
:param afem.topology.entities.Shape other: The other shape.
:param bool as_compound: Option to return shared shapes as a single
compound.
:return: Shared faces.
:rtype: list(afem.topology.entities.Face) or
afem.topology.entities.Compound
"""
this_map = TopTools_IndexedMapOfShape()
TopExp.MapShapes_(self.object, Shape.FACE, this_map)
if this_map.Extent() == 0:
return []
other_map = TopTools_IndexedMapOfShape()
TopExp.MapShapes_(other.object, Shape.FACE, other_map)
if other_map.Extent() == 0:
return []
faces = []
for i in range(1, this_map.Size() + 1):
f1 = this_map.FindKey(i)
if other_map.Contains(f1):
faces.append(Shape.wrap(f1))
if as_compound:
return Compound.by_shapes(faces)
return faces
def num_faces(self):
"""
:return: The number of faces in the shape.
:rtype: int
"""
map_ = TopTools_IndexedMapOfShape()
TopExp.MapShapes_(self.object, Shape.FACE, map_)
return map_.Extent()
def _get_shapes(self, type_):
"""
Get sub-shapes of a specified type from the shape.
"""
map_ = TopTools_IndexedMapOfShape()
TopExp.MapShapes_(self.object, type_, map_)
shapes = []
for i in range(1, map_.Size() + 1):
shapes.append(Shape.wrap(map_.FindKey(i)))
return shapes
def __init__(self, old_shapes, tool):
reshape = ShapeBuild_ReShape()
self._new_shapes = TopTools_DataMapOfShapeShape()
index_map = TopTools_IndexedMapOfShape()
for old_shape in old_shapes:
# Old shapes
shapes = old_shape.faces
if not shapes:
shapes = old_shape.edges
if not shapes:
shapes = old_shape.vertices
if not shapes:
continue
# Delete and replace
for shape in shapes:
# Deleted
if tool.is_deleted(shape):
reshape.Remove(shape.object)
continue
# Modified considering shapes already used
mod_shapes = tool.modified(shape)
replace_shapes = []
for mod_shape in mod_shapes:
if index_map.Contains(mod_shape.object):
continue
replace_shapes.append(mod_shape)
index_map.Add(mod_shape.object)
if replace_shapes:
new_shape = Compound.by_shapes(replace_shapes)
reshape.Replace(shape.object, new_shape.object)
new_shape = Shape.wrap(reshape.Apply(old_shape.object))
self._new_shapes.Bind(old_shape.object, new_shape.object)
def test_FindSubShape(self):
"""
Test XCAFDoc_ShapeTool:FindSubShape.
"""
names = [
'back face', 'front face', 'left face', 'right face',
'bottom face', 'top face'
]
labels = TDF_LabelSequence()
self._tool.GetShapes(labels)
self.assertFalse(labels.IsEmpty())
self.assertEqual(labels.Length(), 1)
label = labels.Value(1)
named_shape = TNaming_NamedShape()
status, named_shape = label.FindAttribute(TNaming_NamedShape.GetID_(),
named_shape)
self.assertTrue(status)
shape = named_shape.Get()
self.assertEqual(shape.ShapeType(), TopAbs_ShapeEnum.TopAbs_SOLID)
map_ = TopTools_IndexedMapOfShape()
TopExp.MapShapes_(shape, TopAbs_ShapeEnum.TopAbs_FACE, map_)
for i in range(1, map_.Size() + 1):
face = map_.FindKey(i)
status, sub_label = self._tool.FindSubShape(label, face)
self.assertTrue(status)
name = TDataStd_Name()
status, name = sub_label.FindAttribute(TDataStd_Name.GetID_(),
name)
self.assertTrue(status)
name = name.Get().ToExtString()
self.assertEqual(name, names[i - 1])