Method and device for updating map layer data

An update method and layer data technology, applied in the field of communication, can solve problems such as not providing layer incremental update interface, increasing application layer overhead, and data display freeze, so as to improve update efficiency, avoid the influence of map operations, and avoid Effects of Useless Data Updates

Pending Publication Date: 2021-03-26
CHENGDU TD TECH LTD
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  • Claims
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Problems solved by technology

[0004] Since the software development kit (SDK) of the electronic map does not provide an incremental layer update interface, the update operation of the layer data must be performed on the application layer, which will increase the overhead of the application layer. Timely or when the data calculation is lost, it will cause problems such as data display freezes and abnormalities

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  • Method and device for updating map layer data

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and examples.

[0031] Considering that when the map layer is updated, there may be the same data between the new data set of the layer and the data set currently used for rendering of the layer, it is useless to update this part of the same data, this application will Consider avoiding these useless data updates as much as possible to improve layer update efficiency and avoid the impact of layer data update on map operations, thereby improving the smoothness of electronic map operations and the stability of electronic map operations.

[0032] figure 1 It is a schematic flow diagram of the method of the embodiment of the present invention, such as figure 1 As shown, the update method of the map layer data realized by this embodiment mainly includes:

[0033] St...

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Abstract

The invention discloses a method and a device for updating map layer data. The method comprises the following steps: a, judging whether a new data set of a single layer which needs to be updated at present is empty or not, executing step b if the new data set of the layer is empty, if not, executing step c; b, if the data set currently used for rendering of the layer is not empty, emptying the data set currently used for rendering of the layer, and executing step d; c, comparing the new data set with the data set currently used for rendering of the layer, and deleting, adding or replacing datain the data set currently used for rendering of the layer according to a comparison result; and d, assembling the data in the data set currently used for rendering of the layer into corresponding mapformat data, and rendering the layer by using the map format data. By applying the technical scheme disclosed by the invention, the operation stability of the electronic map can be effectively improved.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a method and device for updating map layer data. Background technique [0002] In the layer data refresh scheme of the existing electronic map (such as the Riemann map), the method of first clearing the existing data of the layer is usually adopted, and then adding new data in batches. [0003] In the process of implementing the present invention, the applicant found that: in the scenario where there are many layers and a large amount of data needs to be updated frequently, using the above-mentioned layer data update scheme will cause problems such as unsmooth map operations and freezes, which will cause serious problems. Reduce user experience. The specific reasons are analyzed as follows: [0004] Since the software development kit (SDK) of the electronic map does not provide an incremental layer update interface, the update operation of the layer data ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/29G06F16/26G06F16/23
CPCG06F16/29G06F16/26G06F16/2379
Inventor 何超
Owner CHENGDU TD TECH LTD
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