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
WO2013089837(A1)
申请公布日期
2013.06.20
申请号
WO2012US51577
申请日期
2012.08.20
申请人
GOOGLE INC.;KALAI, ILJYA;SILISKI, MICHAEL;MORRISON, JERRY;ITO, KEITH;MILLER, ANDREW, T.
发明人
KALAI, ILJYA;SILISKI, MICHAEL;MORRISON, JERRY;ITO, KEITH;MILLER, ANDREW, T.