Abstract
Abstract. Geographic Information System (GIS) is a tool used for capture, storage, manipulation, query and presentation of spatial data that have applicability in diverse fields. Web GIS has put GIS on Web, that made it available to common public which was earlier used by few elite users. In the present paper, development of Web GIS frameworks has been explained that provide the requisite knowledge for creating Web based GIS applications. Open Source Software (OSS) have been used to develop two Web GIS frameworks. In first Web GIS framework, WAMP server, ALOV, Quantum GIS and MySQL have been used while in second Web GIS framework, Apache Tomcat server, GeoServer, Quantum GIS, PostgreSQL and PostGIS have been used. These two Web GIS frameworks have been critically compared to bring out the suitability of each for a particular application as well as their performance. This will assist users in selecting the most suitable one for a particular Web GIS application.
Highlights
Geographic Information System (GIS) provide data visualization, data creation, data integration from several sources, editing, query, map creation and storage functions (Teodoro and Duarte, 2013)
In the framework based on Apache Tomcat, servlet and Java Server Pages (JSP) plays the major role in the development of fully fledged Web GIS
Client can communicate with the WAMP server by sending it hypertext transfer protocol (HTTP) request which in sent to ALOV that can access MySQL database. 4.2 Framework based on Apache Tomcat In this Web GIS framework, Open Source Software (OSS) used comprise of Apache Tomcat server, GeoServer, Quantum GIS, PostgreSQL and PostGIS
Summary
GIS provide data visualization, data creation, data integration from several sources, editing, query, map creation and storage functions (Teodoro and Duarte, 2013). Web GIS has adapted GIS in the Web environment It has added new dimensions in the growth of GIS as large and complex GIS applications have become available to common public through the Web. In 1993, Web based map viewer was developed at Palo Alto Research Center (PARC) by Steve Putz which was the first remarkable work in the evolution of Web GIS. After that many new releases related to Web GIS took place like online version of the National Atlas of Canada, Alexandria Digital Library, National Geospatial Data Clearinghouse portal, TIGER (Topologically Integrated Geographic Encoding and Referencing), MapQuest's Web mapping application etc. The AJAX (Asynchronous JavaScript and XML) which was released in 2005, effected the Web applications of GIS. The integration of GIS and internet technology has revolutionary effects like interactive access to geospatial data, real time data integration and transmission, access to platform-independent GIS analysis tools etc (Karnatak et al, 2012)
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