//--------------------------------------------------------------------------------------------------
#endregion
#region Property List
void _InitProperties()
{
if (_Properties != null)
{
return;
}
_Properties = new List <BRepTopologyTreeProperty>();
try
{
_AddDefaultProperties();
switch (BrepShape.ShapeType())
{
case TopAbs_ShapeEnum.TopAbs_SHELL:
_AddShellProperties(BrepShape as TopoDS_Shell ?? TopoDS.Shell(BrepShape));
break;
case TopAbs_ShapeEnum.TopAbs_FACE:
_AddFaceProperties(BrepShape as TopoDS_Face ?? TopoDS.Face(BrepShape));
break;
case TopAbs_ShapeEnum.TopAbs_WIRE:
_AddWireProperties(BrepShape as TopoDS_Wire ?? TopoDS.Wire(BrepShape));
break;
case TopAbs_ShapeEnum.TopAbs_EDGE:
_AddEdgeProperties(BrepShape as TopoDS_Edge ?? TopoDS.Edge(BrepShape));
break;
case TopAbs_ShapeEnum.TopAbs_VERTEX:
_AddVertexProperties(BrepShape as TopoDS_Vertex ?? TopoDS.Vertex(BrepShape));
break;
}
}
catch (Exception e)
{
Messages.Exception($"Error getting properties for B-Rep shape {Name}", e);
}
}
//--------------------------------------------------------------------------------------------------
public static List <TopoDS_Shell> Shells(this TopoDS_Shape shape, bool distinct = true)
{
var shells = new List <TopoDS_Shell>();
var exp = new TopExp_Explorer(shape, TopAbs_ShapeEnum.TopAbs_SHELL, TopAbs_ShapeEnum.TopAbs_SHAPE);
while (exp.More())
{
var shell = TopoDS.Shell(exp.Current());
exp.Next();
if (distinct)
{
if (shells.Any(e => e.IsSame(shell)))
{
continue;
}
}
shells.Add(shell);
}
return(shells);
}
//--------------------------------------------------------------------------------------------------
public static TopoDS_Shell ToShell(this TopoDS_Shape shape)
{
return(shape == null ? null : TopoDS.Shell(shape));
}