您好，您可以参考
http://support.supermap.com.cn/UploadFilesData/%E4%BD%BF%E7%94%A8VS%E5%8F%91%E5%B8%83Objects%E5%BC%80%E5%8F%91%E7%9A%84%E5%BA%94%E7%94%A8%E7%B3%BB%E7%BB%9F.pdf
