Abstract
With the development of the OpenGIS WFS (Web Feature Service) Specification by OGC (Open GIS Consortium), more and more WFS servers appear on the internet offering geospatial information. However, general users have no acquaintance with these servers, and the servers usually supply data encoding in GML (Geographic Mark Language) which cannot be comprehended vividly. Therefore, in this paper, we propose a spatial information search and display System on OpenGIS WFS. This system is capable of providing a WFS server list containing the data of the place that the users requested, retrieving the capabilities of the service chosen by the users and displaying the service data in vector graphics. The system architecture, working principles, and detailed function of each component are introduced. With this system, a practice web search engine on OpenGIS WFS can be constructed on the foundational idea of the system.
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