发明名称 |
Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating method |
摘要 |
An abridged map generating apparatus includes a polygon shape data extraction unit that extracts from map data polygon shape data specifying the shape of a polygon, a polygon shape simplification unit that simplifies the shape of the polygon based upon the polygon shape data which is extracted by the polygon shape data extraction unit, and a polygon drawing unit that draws upon a map the polygon whose shape has been simplified by the polygon shape simplification unit.
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申请公布号 |
US2006085126(A1) |
申请公布日期 |
2006.04.20 |
申请号 |
US20050250561 |
申请日期 |
2005.10.17 |
申请人 |
XANAVI INFORMATICS CORPORATION |
发明人 |
SUMIZAWA AKIO;MORITA MANABU;HIROIKE ATSUSHI;MARUYAMA KISHIKO;ASAHARA AKINORI |
分类号 |
G01C21/32 |
主分类号 |
G01C21/32 |
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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