TOP STORIES
Aid agency ‘Concern’ uses GIS to fight hunger in Africa
 Aid agency ‘Concern’ has received a donation from ESRI Ireland, the GIS provider, for 30 copies of their flagship product ArcView. Using this software Concern can map and assess the vulnerability of areas where it provides aid. ArcView allows the agency to have a spatial understanding of the nutrition and food security vulnerabilities in the areas of work.
Internet maps reveal Roman villa
Technology proved an unexpected aid to unearthing the past when an Italian man decided to look at internet maps of his home. The satellite images threw up a dark oval shape more than 500m (1,640ft) long, as well as shaded rectangular shapes nearby. After excavating some ceramic pieces from the site it was confirmed a Roman villa once stood there built some time just before the birth of Christ.
Misdirecting GPS maps appear in Chinese markets
A number of people in China are having trouble with GPS navigation systems in their cars, because they are installed with counterfeit electronic maps, but authorities are doing nothing about the problem as there are no laws regulating the industry. Over the past six months, the Chinese Academy of Surveying and Mapping has granted eight companies across the country a certificate allowing them to produce electronic navigation maps.
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ARTICLES OF THE WEEK
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Recent developments in Internet GIS
Ming-Hsiang Tsou
Department of Geography,
San Diego State University
USA
The year 2005 is a very important year for the development of Internet GIS. Many significant changes have taken place in this year in terms of new technology, new services, new infrastructures, and new users. Even though it is only September now, and we still have three more months left, I am pretty sure that this year (2005) will be unforgettable in the history of Internet GIS.
Web-Based SVG Map System: Design and Implementation
Robert P. Biuk-Aghai
Faculty of Science and Technology
University of Macau
Systems providing geospatial information are numerous, but often are complex and difficult to use, preventing the more wide-scale utilization of geospatial information. We have designed and implemented a system that is easy to deploy and use, yet provides sophisticated map views. Our Web-Based SVG Map System, besides having traditional map viewing and navigation functions, provides map printing, map exporting into GML and PNG formats, and a simple map editing function. It was built using open standards and open source components, and is centred on Scalable Vector Graphics (SVG) technology.
Read More Articles on WEB GIS
Internet GIS for the infrastructure life cycle
Internet GIS - One perspective
3D Terrain visualization for Web GIS
A Comparative Assessment of Internet GIS Server Systems
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TECHNOLOGY
Significance of Photogrammetry in 3D Visualization and Building Reconstruction
Usman Khan
GIS Postgraduate Researcher
School of Geography & Environmental Science
Monash University, AUSTRALIA
This abstract expands upon the proposal from Ghardirian & Bishop (2002) whereby maps are often termed as models of reality. For many years, cartographers had to face the difficulties of showing three dimensional (X, Y, Z) realities on a flat (X, Y) surface of a map. The concept can be explored in a variety of ways. Firstly, there is a third dimension (height) that varies continuously over space and has to be flattened to a two dimensional map. There is no doubt that three-dimensional textured urban models are growing in popularity in the field of geo-visualization. The term ‘Geo’ refers exclusively to the geographical representation of GIS data in a ‘real world’ coordinate system which differentiates it from a ‘movie world’ arbitrary coordinate system.
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BOOKS
Have an insight of books from different disciplines of geospatial sciences and its applications and get an idea of leading authors and publishers around the world.
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Company Directory
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