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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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