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晕线地图的自动绘制
引用本文:张荣群.晕线地图的自动绘制[J].西北大学学报,1991,21(1):86-86,100.
作者姓名:张荣群
作者单位:西北大学地理系
摘    要:

关 键 词:晕线地图  绘制  地图  计算机

Automatic Map Shading
Zhang Rongqun.Automatic Map Shading[J].Journal of Northwest University(Natural Science Edition),1991,21(1):86-86,100.
Authors:Zhang Rongqun
Institution:Department of Geography
Abstract:This paper present the arismetic design of automatic map shading.It gives a new method to identify whether shading line and marginal line intersect. As for singular intersecting point management, it was solved using XXj minus a differential value.Therefore this has not only improved automatic level but also solved the question of than two intersecting points.
Keywords:Shading line  Outline point  Marginal line  Map shading  Automatic drawing
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