用基于栅格数据结构的USEMAP软件包制作多因素叠加专题图  

Making Multi-variable Overlay Thematic Maps by Using the Software Package USEMAP Based on Raster Data Structure

作　　者：徐肇忠 

出　　处：《地图》1991年第3期33-35,共3页Map

摘　　要：以茶叶种植适应性分布图为例,介绍常规滤网制图法和用USEMAP软件包制作多因素叠加专题图的方法和步骤。In this paper, taking the map of Tea Plant Suitability Distribution as an example, the author introduces the principle and procedure of making the multifactor overlaying maps using both the Sieve Mapping method and USEMAP IV Package based on raster data structure.

关 键 词：栅格数据结构 USEMAP软件包 专题图 多因素叠加 

分 类 号：P28[天文地球—地图制图学与地理信息工程]