An Extended Method of Geographic Information Processing Service
A technology for processing services and extension methods, applied in geographic information databases, electronic digital data processing, special data processing applications, etc., can solve the impossible, limit geographic information processing service capabilities and sharing levels of geographic information processing service platforms, and unrealistic And other issues
Active Publication Date: 2017-01-25
CHINESE ACAD OF SURVEYING & MAPPING
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Problems solved by technology
However, geographic information processing services are diverse, and it is neither possible nor realistic for a fixed service platform to cover all processing services
[0004] At present, geographic information processing service platforms at home and abroad all bind functions, operation and maintenance management and processing services together, which prevents the processing services developed by third-party developers who have not mastered the source code of the platform from being extended to geographic information processing service platforms , which greatly limits the geographic information processing service capability and sharing level of the geographic information processing service platform
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[0033] The following describes in detail a method for extending geographic information processing services provided by the present invention with reference to the accompanying drawings.
[0034] Such as figure 1 As shown, the principle of a geographic information processing service extension method provided by the present invention is to extend geographic information processing services developed by a third party based on a loose coupling model.
[0035] The above loose coupling model is composed of a priori task model and geographic information processing service package, as follows:
[0036]
[0037] Where T i Is any prior task in the prior task model, that is, an ordered subset of the geographic information processing service package, WPS is the network processing service of the Open Geographic Information System Association OGC, which is extended to geographic information processing service in this article. The geographic information service package contains detailed metadata in...
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An extension method for geographic information processing services, comprising: receiving a user's application for adding geographic information processing services; extracting the processing service name from processing service metadata node information; fuzzy matching query searching whether the loosely coupled model processing service package includes The processing service with the same / similar name as the processing service: if not included, go to the next step; otherwise, extract the service unique identifier of the processing service from the processing service metadata node information, and then search for the exact matching query to see if the service exists in the processing service package Uniquely identify the same identifier: if it exists, do not extend the processing service into the processing service platform; otherwise, go to the next step; test whether the processing service meets the conditions for joining the loosely coupled model; if the conditions are not met, do not expand; otherwise, extend the processing service to the processing service platform. In this way, it is possible to extend the processing services of third-party developers to the processing service platform without mastering the source code of the processing service platform.
Description
Technical field [0001] The invention relates to the field of geographic information systems, in particular to an extension method of geographic information processing services. Background technique [0002] Geographic information processing service is mainly based on the requirements of processing tasks, through manual calculation or with the help of corresponding modules in the geographic service information service software, to process related geographic information and output the processing results. With the development of computer and network technology, geographic information processing services that were originally limited to offline processing have gradually developed into online services based on computer networks. This not only simplifies the geographic information processing process, but also expands the scope of sharing and application of geographic information processing. [0003] With the rapid transformation of geographic information online services from simple map q...
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IPC IPC(8): G06F17/30
CPCG06F16/29G06F16/9537
Inventor 李成名刘晓丽孙隆祥张成成刘勇金志国洪志远孙伟沈建明路文娟焦孟凯黄钰刘丽
Owner CHINESE ACAD OF SURVEYING & MAPPING