发明名称 |
NAVIGATION SYSTEM WITH ANTI-ALIAS MAP DISPLAY |
摘要 |
A nivigation system includes a display displaying a map of roads from a road database. The navigation system utilizes a palette of colors to display the road and background on the display. The palette preferably includes a plurality of shades for each of a plurality of colors to be displayed including the background color and the road color. The roads on the display are preferably anti-aliased by indexing a different intensity of the shade o f the object based upon the relative position of the pixel and an ideal object area. |
申请公布号 |
CA2330783(A1) |
申请公布日期 |
1999.11.11 |
申请号 |
CA19992330783 |
申请日期 |
1999.04.16 |
申请人 |
MAGELLAN DIS, INC. |
发明人 |
MILLINGTON, JEFFREY ALAN;SLOMINSKI, ANTHONY ALBERT |
分类号 |
G01C21/36;G09G5/02 |
主分类号 |
G01C21/36 |
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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