{
  "$type": "site.standard.document",
  "description": "A map data query method is performed at a computer device, the method including: obtaining a current position of a vehicle; requesting map data matching the current position from a cloud database; caching the requested map data returned from the cloud database locally; constructing a real-time…",
  "path": "/patents/1311027",
  "publishedAt": "2022-02-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/32",
    "Tencent Technology (Shenzhen) Company Limited"
  ],
  "textContent": "A map data query method is performed at a computer device, the method including: obtaining a current position of a vehicle; requesting map data matching the current position from a cloud database; caching the requested map data returned from the cloud database locally; constructing a real-time spatial index of the locally-cached map data according to road elements in the locally-cached map data; in response to a query request transmitted by an application layer associated with the vehicle, querying the locally-cached map data at which the query request is aimed according to the real-time spatial index to generate a query result; and returning the query result to the application layer.",
  "title": "MAP DATA QUERY METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM"
}