AutoCAD中地质绘图符号单元的开发

根据地质测绘专业的特点,从制图的角度出发,介绍了图形要素点、线、面的创建方法,并例举了建立诸如钻孔点符号,虚线、篱笆、栅栏、坎、断层、输油管道等单线符号,围墙、铁路、大车路等多线符号及稻田、菜地、粘土、石灰岩、玄武岩、花岗岩等面元符号的相关数据库方法。

Development of Symbolic Unit in Auto CAD for Geological Maps and Drawings

According to the geological surveying and mapping specialty,introduced data base establishment of graphic elements of point,line and surface,and gave examples of dot symbols such as borehole position;single line symbols of dotted line,fence,barrier,bank,fault and pipe line,multi line symbols of wall,railway and cart track;surface element symbols of rice field,vegetable plot,clay,limestone,basalt and granite.