发明名称 Display system for displaying maps having two-dimensional roads
摘要 Method and apparatus for displaying maps on which the roads have width as well as length. The input to the system is a list of end points of line segments. The system operates upon this list to create a new set of line segment end points, defining two line segments for each one of the input line segments. The new line segments define roads having a predetermined width.
申请公布号 US4633433(A) 申请公布日期 1986.12.30
申请号 US19790032628 申请日期 1979.04.23
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 MILLER, IRVIN M.
分类号 G06F3/13;G06F3/153;G06T3/00;G06T11/20;G06T11/60;G09B29/00;G09B29/10;G09G1/00;G09G5/36;(IPC1-7):G06F3/14 主分类号 G06F3/13
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