Date archive for March, 2008
March 30, 2008 Crowd SimulationGeographyPaul M. Torrens, an Associate Professor in Geography at Arizone State University is using artificial intelligence to model crowd behavior in order to help architects and public safety officials. Torrens has developed geosimulation software that uses avatars that can individually plan their own route and respond to external stimulus such as the jostling of other ... read more Museum of Online MuseumsGeographyThe Museum of Online Museums houses links not only to the virtual versions of well known museums from around the world but also a growing collection of offbeat and downright odd online collections. Of note is the collection of “Airline Spoons of the World” and the “Penny Postcard Archive”. Visit the Museum of Online Museums read more...March 29, 2008African DataDataData sources, both commercial and free, in GIS format covering the continent of Africa. Find cadastral, environmental and cultural data. read more...March 27, 2008Dotting the Dot MapCartographyIf you’ve ever been curious about how to precisely size your dot density map, this PDF presentation by A. Jon Kimmerling of Oregon State University provides a detailed and mathematical approach to calculating the most appropriate size when creating a dot density map. Dotting the Dot Map, Revisited – A. Jon Kimmerling read more...GIS Blogs – GeoBlogsCommunityWhat are the top GIS and Geo related blogs? Off the Map has triggered an interesting discussion in the blogging community after posting a list of “Top 25″ (amended to a list of 37 geospatial related blogs). The initial list was compiled based on authority ranking (both actual and estimated) as listed on Technorati and then amended ... read more State Plane Coordinate SystemFeatures, Projection and Coordinate SystemsIf you’ve ever worked with GIS data regionally within the United States you’ve probably come across the State Plane Coordinate System. What is the State Plane Coordinate System? The State Plane Coordinate System (SPCS) is not a projection; rather it is a system for specifying positions of geodetic stations using plane rectangular coordinates. This coordinate ... read more March 26, 2008Planning to avoid bulletsGeographyThe Los Angeles Times has an interesting article about the growing integration of safety elements into buildings and community areas in order to protect residents living in high gang and crime ridden areas from gun shots. Examples included are a senior center built 30 feet above the street level (including an aboveground courtyard) and a dirt ... read more Tipping Elements in Climate WarmingGeographyForbes has an article with a round-up of the earth systems considered by scientists to having tipping points considered a danger to global climate systems. The tipping points were extracted from an article entitled “Tipping Elements in the Earth’s Climate System,” published in the Proceedings of the National Academy of Sciences. Tipping Elements A Global Warning ... read more March 25, 2008 ESRI Developer Summit RoundupSoftwareThe 2008 ESRI Developer Summit brought together GIS developers and ESRI staff in Palm Springs, California (March 17-20, 2008). One such attendee was Ryan Resella (Senior Analyst at the City of Santa Clarita) who provided pictures and commentary of the event. read more...March 24, 2008GeoSearch NewsWeb MappingThe beta version of MetaCarta’s GeoSearch News was recently launched. According to MetaCarta’s web site, the mapping service pulls from more thatn 1,400 international, national and local news organizations to present a 30-day window of news events around the world. Users can search for news items by place and/or subject matter. News items are displayed ... read more |
