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Tile request method and device and electronic device

A tile and request technology, applied in the image field, can solve problems such as not having image data, achieve the effects of ensuring authenticity, improving response efficiency, reducing server pressure and network overhead

Active Publication Date: 2022-01-28
成都国星宇航科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But image A only covers the urban area of ​​Chengdu, and there is no image data for the area outside the urban area of ​​Chengdu, so these requests in the tile set corresponding to image A are all invalid requests (because the corresponding target tile cannot be requested ), causing unnecessary network overhead

Method used

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  • Tile request method and device and electronic device
  • Tile request method and device and electronic device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] In order to reduce invalid network requests, reduce network overhead, two tile request methods are provided in the present application. Can see figure 1 Distance figure 1 A flow diagram of the first tile request method provided in the present application embodiment, including:

[0062] S101: When receiving the tile request from the front end, determine the positional relationship between the target tiles between the tile request and the first layer of images in the tile request.

[0063] It should be noted that in the application embodiment, the position information of the requested target tile is carried in the tile request, such as the coordinates of the target tile, the latitude and latitude of the target tile.

[0064] It will also be noted that when the image is stored in the rear end, the range covered by the image (such as the latitude and longitude range or coordinate range covered by the image) can be set in the rear end, so that each image and the target can be ju...

Embodiment 2

[0115] Based on the same inventive concept, two tile requesting devices 120 and 130 are also provided in the present application embodiment. See Figure 12 and Figure 13 Distance Figure 12 Show the adoption figure 1 The tile request device of the method shown, Figure 13 Show the adoption Figure 11 The tile requesting device of the method shown. It should be understood that the device 120 and device 130 may see the description above, in order to avoid repetition, the detailed description is omitted herein. Device 120 and device 130 include at least one software function module in the memory in the memory in the form of software or firmware, or cured in the operating system of device 120, device 130. specifically:

[0116] See Figure 12 As shown, device 120 includes a relationship determining module 121 and a processing module 122. in:

[0117] The relationship determination module 121 is configured to determine the positional relationship between the target tile and the first layer ...

Embodiment 3

[0141] This embodiment provides an electronic device, see Figure 14 As shown, it includes a processor 1401, a memory 1402, an internal communication bus 1403, and an external communication component 1404. in:

[0142] The internal communication bus 1403 is configured to implement connection communication between the processor 1401, the memory 1402, and the internal communication bus 1403.

[0143] The external communication component 1404 is configured to implement connection communication between the external device.

[0144] The processor 1401 is configured to perform one or more programs stored in the memory 1402 to implement the tile request method described in the above embodiment.

[0145] It can be understood that Figure 14 The structure shown is intended, and the electronic device can also include a ratio. Figure 14 More or fewer components shown, or have Figure 14 Different configurations.

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Abstract

The invention provides a tile request method and device and electronic equipment. The method comprises the steps that: when a tile request transmitted from a front end is received, a position relation between a target tile requested in the tile request and a first-layer image is determined, wherein the first-layer image is an image displayed on the uppermost layer during display; and if the whole area of the target tile is located outside the first-layer image, the target tile is searched in tile sets corresponding to other-layer images, and when the target tile is found, the target tile is returned to the front end, wherein the other-layer images are images except the first-layer image. Therefore, when the front end requests the target tile, the target tile does not need to be requested (searched) in the tile sets corresponding to all the images, so that invalid network requests can be reduced, and the network overhead is reduced.

Description

Technical field [0001] The present application relates to the field of image technology, and in particular, there is a tile request method, device, and electronic device. Background technique [0002] The multi-tile layer will be used in order to implement business charts in the development of WebGIS (Network Geographic Information System) During the display of the business graph, the corresponding tiles are acquired and displayed according to the tile information requested by the front end. Specifically, it is a request for the corresponding tile information in the tile set requested in accordance with the tile information requested by the front end, and the corresponding tile sets are performed in the tile set of all levels stored in the rear end. [0003] However, since the geographical spatial range covered by the business chart is limited, when a large amount of tile information is data other than the business map, then according to the prior art solution, the tile collectio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/53G06F16/538G06F16/587
CPCG06F16/53G06F16/538G06F16/587
Inventor 陆川张琦赵宏杰
Owner 成都国星宇航科技股份有限公司