| 摘要 |
Systems and methods for transferring navigation data are provided. A system includes a map module configured to receive, at a first mobile device, the navigation data for navigating from a beginning location to a target destination. The navigation data includes at least one of the target destination, directions from the beginning location to the target destination, and map tiles covering a geographic area comprising the beginning location and the target destination. The system includes an extraction module configured to determine a portion of the navigation data, which includes at least one of the target destination, directions from a current location to the target destination, and a subset of the map tiles that cover a route from the current location to the target destination. The system includes a communications module configured to transmit the portion of the navigation data from the first mobile device to a second mobile device. |
