发明名称 |
PRE-FETCHING MAP TILE DATA ALONG A ROUTE |
摘要 |
The present application describes techniques for fetching map data as a selected subset of entire map data available by selecting map data tiles corresponding to an area that encompasses a route. An amount of map data accessed may be adjusted based on a priority assigned to areas or points along the route. A sequence of map data may be accessed based on a priority assigned to sets of map data. |
申请公布号 |
CA2856554(A1) |
申请公布日期 |
2013.06.20 |
申请号 |
CA20122856554 |
申请日期 |
2012.08.20 |
申请人 |
GOOGLE INC. |
发明人 |
KALAI, ILJYA;SILISKI, MICHAEL;MORRISON, JERRY;ITO, KEITH;MILLER, ANDREW T. |
分类号 |
G06F17/00;G06F17/30;G06F17/40 |
主分类号 |
G06F17/00 |
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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