Efficient fetching of map tile data
A map tile and map technology, applied in geographic information database, electronic digital data processing, structured data retrieval, etc., can solve the problems of increasing the communication overhead of transmitting map data, only having the
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[0019] The techniques of the present disclosure allow efficient fetching of map tiles needed to assemble a digital map from a map content server. A single content request to the map content server includes identifying multiple map tiles such that multiple map tiles are fetched without requiring multiple content requests. Map tiles identified in a multi-tile content request typically form a contiguous portion of a digital map. However, any set of map tiles can be retrieved by sending a multi-tile request to the server, where the multi-tile request includes the identification of multiple map tiles. In some cases, each map tile identification may be a complete or unique identification. In other cases, however, a multi-tile request may include a complete or complete identification of one of the map tiles in the multi-tile request, and may include An abbreviated or indexed identification of map tiles, where the indexed tile identification is for example referenced by the tile for...
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