土地利用面状数据综合组件模块的构建

本文尝试结合土地利用数据的特点,利用组件技术实现扩展ArcG IS的土地利用数据综合功能模块,建立土地利用面状数据综合数学模型,并提出了由对面进行处理转化为对拓扑公共边进行处理的数据模型,较为满意地解决了一般的面状化简算法会产生间隙和重叠的难题。

The construction of land utilization area data generalization COM module

Nowadays,the generalization functions of GIS software both home and abroad are incapable of meeting practical needs.This paper attempts to extend the land utilization data generalization module of ArcGIS based on COM technology according to the characteristics of land utilization data.And it establishes mathematical module of land utilization area data generalization.Then it puts forward the mathematical module that tends to turn area processing into an implementation on common borders with topology relationship.The experiment illustrates that the modules could solve the problem of laps and overlaps,which usually present themselves as a result of area simplification algorithm.