基于AO的分幅等高线智能化接边处理方法的研究

A STUDY OF THE HADLE METHOD WHICH THE INTERSECTED CONTOUR LINE ARE JOINED INTELLIGENTIZELY BASED ON ARCOBJECTS

连续完整的等高线在DEM的制作以及图属互查中起着重要的作用 ,然而在实际中它往往被人为的分割。因此 ,分幅数字化后的等高线拼接问题 ,就成了地理信息系统中基础数据处理方面的一个必须要解决的问题。本文在吸取了ArcGIS处理该问题的优点的基础上 ,提出了分幅等高线智能化接边的约束条件和算法 ,并利用ArcObjects (简称AO)实现该处理方法。

Continuous complete contour lines rise prominent function in drawing DEM and querying between graphics and attribute,while they are divided into a lot of parts and drawed in the map with fixed size,so the incorporative problem of the contour lines which are described in different maps have been a tough problem during the handling process of foundation data in geography information system.The paper absorbs the advantage of ArcGIS at handling that problem and puts forward the restrictively condition and algorithmic of the intelligentized join about the intersected contour line,whats more,the paper realizes the method based on ArcObjects.