//--------------------------------------------------------------------------------------------------
protected void AddNamedSubshapes(string name, TopoDS_Shape sourceShape, BRepBuilderAPI_MakeShape makeShape)
{
__ProcessShapes(sourceShape.Faces());
__ProcessShapes(sourceShape.Edges());
__ProcessShapes(sourceShape.Vertices());
//----
void __ProcessShapes(IEnumerable <TopoDS_Shape> shapes)
{
var index = 0;
foreach (var shape in shapes)
{
var modifiedShapes = makeShape.Modified(shape).ToList();
if (modifiedShapes.Any())
{
foreach (var modifiedShape in modifiedShapes)
{
AddNamedSubshape(name, modifiedShape, index);
}
}
else if (!makeShape.IsDeleted(shape))
{
AddNamedSubshape(name, shape, index);
}
index++;
}
}
}
//--------------------------------------------------------------------------------------------------
protected void UpdateModifiedSubshapes(TopoDS_Shape sourceShape, BRepBuilderAPI_MakeShape makeShape)
{
__Process(sourceShape.Faces());
__Process(sourceShape.Edges());
__Process(sourceShape.Vertices());
//-----
void __Process(IEnumerable <TopoDS_Shape> shapes)
{
foreach (var shape in shapes)
{
var modList = makeShape.Modified(shape);
if (modList.Size() == 0)
{
// Delete check can result in exception
try
{
if (makeShape.IsDeleted(shape))
{
RemoveModifiedSubshape(shape);
}
}
catch (SEHException)
{
// That means that the makeShape has this shape not in list,
// so it is NOT deleted and NOT modified
}
}
else
{
AddModifiedSubshape(shape, modList.ToList());
AddModifiedSubshape(shape, makeShape.Generated(shape).ToList());
}
}
}
}