SharpMap Analysis Note for open-source GIS project based on. NET 2.0 (12): SharpMap WMS service and Openlayers access

Sharpmap Analysis Note for open-source GIS project based on. NET 2.0 (12): sharpmap WMS service and openlayers access

Su Weimin http://www.gisdev.cn/http://blog.csdn.net/suen/ date: 2007-7-12

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WMS stands for "Web Map Service ). It is an OGC standard that defines three major operations for creating and displaying Map Images: getcapabilities (get service capability) and getmap (get map) and getfeatureinfo (get object information ). Getmap is the core operation. This operation generates a map image.

Openlayers is an open source JavaScript library for browser-side Map Browsing. It can access geospatial data that complies with OGC standards. For example, WMS (web mapping service) and WFS (web feature service) specifications. Openlayers adopts object-oriented development and uses components from prototype. js and RICO.

Sharpmap provides support for WMS services. The author makes a small test on the WMS service that accesses sharpmap Based on openlayers. The test results are shown in.