Title:
MAP DATA QUERY METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/036464
Kind Code:
A1
Abstract:
A map data query method, comprising: acquiring the current location of a vehicle; requesting map data matching the current location from a cloud database; locally caching the requested map data; on the basis of road features in the map data, locally constructing a spatial index of the map data; and, when acquiring a query request sent by the application layer, by means of the spatial index, locally querying the map data targeted by the query request.
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Inventors:
JIANG MIN (CN)
Application Number:
PCT/CN2020/098573
Publication Date:
March 04, 2021
Filing Date:
June 28, 2020
Export Citation:
Assignee:
TENCENT TECH SHENZHEN CO LTD (CN)
International Classes:
G06F16/29
Foreign References:
| CN110807075A | 2020-02-18 | |||
| CN103575266A | 2014-02-12 | |||
| CN108280154A | 2018-07-13 | |||
| CN102426778A | 2012-04-25 | |||
| CN201910819012A | 2019-08-30 |
Other References:
See also references of EP 3926489A4
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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