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Simple Method of Protracting Isoline in MapX
Author(s): 
Pages: 35-39
Year: Issue:  2
Journal: BEIJING SURVEYING AND MAPPING

Keyword:  数字模型等值线MapX属性查询空间分析;
Abstract: 介绍了一种适用于格网式数字模型追踪等值线的简易算法,避免了等值点追踪连接的不确定性.在此基础上利用MapX控件为图形平台,在VC++环境下编程绘制等值线图,实现了放大、缩小、漫游、属性查询、空间分析等GIS功能.
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