[IfcCartesianTransformationOperator.LocalOrigin property LocalOrigin public IfcCartesianPoint LocalOrigin { get; set; } 也可以看看 class IfcCartesianPoint class IfcCartesianTransformationOperator 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]