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A method and system for seamless integration of dynamic services and tile services

A dynamic service and seamless integration technology, applied in the field of WebGIS system, can solve problems such as server disk space waste, achieve balanced server hardware resource utilization, make good use of server hardware resources, and avoid space occupation

Active Publication Date: 2019-07-12
吉奥时空信息技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above problems, the purpose of the present invention is to provide a seamless integration method and system of dynamic services and tile services, aiming to solve the technical problem that the existing WebGIS system is prone to unnecessary waste of server disk space

Method used

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  • A method and system for seamless integration of dynamic services and tile services
  • A method and system for seamless integration of dynamic services and tile services
  • A method and system for seamless integration of dynamic services and tile services

Examples

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Embodiment 1

[0020] figure 1 The flow of the method for seamless integration of the dynamic service and the tile service provided by the embodiment of the present invention is shown, and only the parts related to the embodiment of the present invention are shown for convenience of description.

[0021] Such as figure 1 As shown, the seamless integration method of dynamic service and tile service provided by this embodiment includes:

[0022] Step S1, configuring a service switching strategy, the switching strategy includes setting a dynamic scale range corresponding to switching dynamic services and a tile scale range corresponding to switching tile services.

[0023] Step S2. When zooming the map, obtain the current scale value of the map. If the scale value falls within the tile scale range, load the tile service to the map, and remove the scale value from the map if the dynamic service If it falls within the range of the dynamic scale, the dynamic service will be loaded on the map, ...

Embodiment 2

[0045] Figure 5 The structure of the seamless integration system of the dynamic service and the tile service provided by the embodiment of the present invention is shown, and only the parts related to the embodiment of the present invention are shown for convenience of description.

[0046] The seamless integration system of dynamic service and tile service provided by this embodiment includes:

[0047] The strategy configuration unit 501 is configured to configure a service switching strategy, the switching strategy includes setting a dynamic scale range corresponding to switching dynamic services and a tile scale range corresponding to switching tile services;

[0048] The service switching loading unit 502 is used to obtain the current scale value of the map when zooming the map. If the scale value falls within the range of the dynamic scale, the dynamic service is loaded onto the map, and the tile service is removed from the map. , if the scale value falls within the ran...

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Abstract

The invention is applicable to the field of a WebGIS and provides a seamless integration method and system for dynamic service and tile service. The method comprises the steps of firstly, configuring a service switching strategy which comprises setting the switching of a dynamic scale range corresponding to the dynamic service and the switching of a tile scale range corresponding to the tile service, comparing current scale values with the scale ranges, loading services falling in the ranges to a map, and removing services without the ranges from the map. According to the method and the system, the tile service is loaded in a small-scale level, cache data of map image data are used, the dynamic service is called to load data in a large-scale level exceeding the resolution of the map image data, and data of a current display range are acquired from a database in real time, so that the circumstances that mosaic occurs can be excellently avoided, and the wasting of disk space is avoided.

Description

technical field [0001] The invention belongs to the field of WebGIS systems, in particular to a method and system for seamless integration of dynamic services and tile services. Background technique [0002] During the construction of the WebGIS network geographic information system, the data shown in the map are published in the form of services and displayed in the WebGIS system. In traditional WebGIS map system engineering, image maps often need to be published as tile services to speed up the loading and display of maps. To this end, the engineer will construct a set of pyramid schemes for generating tiles for the scale of the map, specifically defined in the format of a quadtree, that is, the zoom scale of the next level is twice that of the previous level. Accordingly, every time one additional level of tile is generated, the total amount of tile data generated will increase at a rate of 3-4 times. Imagely Figure 1 Generally, tile maps are used to publish. Image map...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/29
CPCG06F16/29
Inventor 黄宇李论陈新伟杜大雾杨玲罗慕笔
Owner 吉奥时空信息技术股份有限公司