摘要
介绍了CAD图元的实体扩展数据的存储格式,结合实例说明了扩展数据在测绘行业中的应用,可用于解决地理元数据的分类问题和给实体添加更丰富、多样的信息,拓展其功能及应用领域.
Storage format of extended data of CAD graph element was introduced,and the applications of extended data in the surveying and mapping industry were illustrated with an example.The extended data could be used to solve the problem of geographical unit data classification and add a large variety of informations to entity which would expand its functions and applications.
出处
《华北水利水电学院学报》
2010年第3期74-75,共2页
North China Institute of Water Conservancy and Hydroelectric Power