地理学报

地理学报 ›› 1995, Vol. 50 ›› Issue (s1): 131-134.doi: 10.11821/xb1995S1016

• 论文 • 上一篇    

滤波法在等值线生成上的应用

周春平   

  1. 中国科学院国家计划委员会地理研究所, 北京 100101
  • 收稿日期:1995-07-01 修回日期:1995-11-01 出版日期:1995-12-15 发布日期:1995-12-15

CONTOUR CREATION BY SUING FILTER

Zhou Chunping   

  1. Institute of Geography, Chinese Academy of Sciences, Beijing 100101
  • Received:1995-07-01 Revised:1995-11-01 Online:1995-12-15 Published:1995-12-15

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摘要： 本文在分析传统的曲线光滑处理方法缺点的基础上，提出利用滤波法由已内插栅格化的离散数据生成等值线的新方法，并对滤波模板参数的选择和优化进行了讨论。应用ＡＲＣ／ＩＮＦＯ地理信息系统软件中ＴＩＮ模块本身的滤波功能，采用多次滤波成功地实现海表温度等值线的生成。

关键词: ARC／INFO, 滤波, 等值线

Abstract: A new method to create geographic thematic contour map has been presented from spatially referenced rastered data using the filter technology based on comprehensive analysis on the defects of classis smothing lineal object, and then the choice and optimization for modular parameters were discussed. Using the filter in TIN with ARC/INFO GIS software, the ocean surface temperature contours were successfully created by multi-filtered procession.

Key words: ARC/INFO, Filter, Contour

中图分类号: 

  • P90