PRACTICE ON MAPPING AND CODING OF ITUM OF TENGCHONG
腾冲综合土地单元图的编制与编码的实验研究

The method of Integrated Terrain Unit Mapping (ITUM) has been developed quickly in the world. ITUM is one of the important bases of computer mapping and geographicanalysis. It will increase greatly the capability of synthetical and quantitative analysis. The emphasis of the present article is placed on the introduction of this approach with Tengchong area as an example.