Abstract
By emerging the OGC web services technologies which caused server interoperability in geospatial fields, a rush toward implementing geoweb services commenced among most governmental enterprises. The massive geospatial information which has been produced in various offices during previous years, and which was not available for public customers because of protocol difficulties, now had a chance to be restructured as OGC specifications and be reachable to huge amount of keen clients via Internet platform. Increasing number of map presenters in web environment raised a search facility requirement in spatial data area. These kinds of search abilities are called “Geoportal”, which provides client applications that use several geo services such as catalogs and web map services. How to implement a suitable geoportal to meet the needs, has brought a set of hard challenges for governmental geospatial owners. In this study we present an overall concept of service oriented architecture and its consequence web service specifications and eventually web catalog services which are fundamentals of developing a geoportal. It also declares some experiments on importing/exporting data between geoportals, which is known as harvesting method.
Highlights
Over the last decade, we have witnessed the evolution of Geographic Information Systems from the traditional model of stand-alone systems with geo-data tightly coupled with the systems used to create them, to an increas-How to cite this paper: Mehdi, S.A., Ali, M., Nima, G., Zahra, R., Reyhaneh, S. and Peyman, B. (2014) How to Implement a Governmental Open Source Geoportal
Open Geospatial Consortium (OGC) standards such as the Web Map Service (WMS) and Web Feature Service (WFS) have proven to be useful for normalizing and improving the manner in which data are shared across the Internet, and as such they are expected to grow in popularity and usage [2]
By optimizing spatial data and defining them in Geoserver, many useful web services such as WMS, WFS, and Web Map Tile Service (WMTS) will be accessible for each office of the organization
Summary
We have witnessed the evolution of Geographic Information Systems from the traditional model of stand-alone systems with geo-data tightly coupled with the systems used to create them, to an increas-. This evolution is enabled by the advancements in supporting IT technologies and the growing demand for GIS in a variety of application domains [1]. By combination of several software environments, a set of GIS server, catalog server, and geoportal server has been developed, which was mostly based on open source technology and has the ability to be updated by other defined geoportal servers. It recorded a wide range of spatial data including maps with different scales and data with different formats
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