摘要
以福建省芗城区耕地分等为例,就GIS技术在耕地分等中的应用进行了探讨.着重论述了GIS环境下指标区的划分,基础图形库和属性数据库的建立,分等单元的划分和单元因素分值的计算,单元面积的确定,各单元各指定作物耕地利用系数和经济系数的确定,以及对成果图的生成等主要空间数据和属性数据的处理过程.
The grade-determination of cultivated land is the fundamental work of land management.This article manages to study on how to solve the grade-determination technique problems with the support of Geographic Information System.It emphasizes on how to deal with the main spacial datum and attribute datum such as the creation of the fundamental graphic library and the attribute database,the category of gradational units,the determination of the unit area and the output of final graphs.
出处
《内蒙古师范大学学报（自然科学汉文版）》
CAS
2003年第4期405-408,412,共5页
Journal of Inner Mongolia Normal University(Natural Science Edition)
