李振豪,魏斌,周校东,何列松,杨春成

• 1:95956部队
• 2:信息工程大学地理空间信息学院
• 3:西安测绘研究所
• 4:地理信息工程国家重点实验室

摘要(Abstract)：

针对现有方法不能有效区分等高线特征点和检测效率低的问题,该文归纳了用于提取等高线特征点的Split方法,分析了等高线表达地貌单元的变化规律,然后以特征点为基础,建立了局部坐标系,并提出了基于局部坐标系的矢量投影法,用于在特征点中区分出山脊点和山谷点,设计了等高线与河流空间冲突检测流程。试验结果表明,本文的方法能较好地区分山脊点与山谷点,并实现了等高线与河流之间空间冲突的高效检测。

关键词(KeyWords)： 制图综合;空间冲突;等高线与河流;矢量投影法;高效检测

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41301527)

作者(Author): 李振豪,魏斌,周校东,何列松,杨春成

DOI: 10.16251/j.cnki.1009-2307.2018.11.022

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