实体定义
扫略体基类（GfcSweptAreaSolidShape）属性定义
| 序号 | 属性名称 | 中文解释 | 数据类型 | 必填 |
| GfcRoot |
| GfcShape |
| 1 | LocalCoordinate | 局部坐标系 | GfcCoordinates3d | √ |
| 2 | BoundingBox | 外接包围盒 | GfcBox3d | |
| GfcParametricShape |
| GfcSolidShape |
| GfcSweptAreaSolidShape |
| 3 | SweptArea | 扫略截面 | GfcSection | √ |
继承关系
GfcRoot
└GfcShape
└GfcParametricShape
└GfcSolidShape
└GfcSweptAreaSolidShape
├GfcExtrudedAreaSolidShape
├GfcRevolvedAreaSolidShape
├GfcSurfaceCurveSweptAreaSolidShape
├GfcCompositeCurve2dSweptSolidShape
└GfcCompositeCurve3dSweptSolidShape