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中文摘要：
随着现代科学技术的发展,电子地图和三维GIS的发展,使传统的纸质的二维地图已经不能满足国民经济的发展和社会的需要,迫切需要三维地图。三维地图的表达主要是通过三维地图符号来实现的,因而三维地图符号就成为目前需要解决的技术难点和研究热点。本文就三维地图符号的特征,三维地图符号与二维地图符号的关系,三维地图符号的视觉变量以及三维地图符号目前需要解决的难题等基本问题进行了初步的总结和研究;并用ARCINFO软件设计了道路的三维符号。
英文摘要：
Along with modern scientific technology development,traditional two-dimensional ma Pcan not meet with national economic development and social requirements due to the progress of electronic ma Pand three-dimensional GIS.Three-dimensional map,which is mainly expressed by three-dimensional ma Psymbols,is urgently needed.Three-dimensional ma Psymbol becomes a technical and research hotspot at present.The paper summarized and researched on the characters,the relations with two-dimensional symbols,the visual variables and existing problems of three-dimensional ma Psymbols,and designed 3D ma Psymbols of road with ARCINFO finally.
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