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Open Source GIS

Open Source GIS a free US address geocoder TraceMedia - Luminous Cities Megacities View the geo-coded traces of Flickr users in the largest world cities, including Beijing, Cairo, Hong Kong, Tokyo. Tokyo City Map Americas Glimpse how urban spaces are recorded by geo-located Flickr photos in the Americas - Beunos Aires, Detroit, Mexico City, San Francisco. Detroit City Map Europe Explore the data footprints left by Flickr in some European urban centres. Venice City Map GDAL: GDAL - Geospatial Data Abstraction Library The Best Map Ever Made of America's Racial Segregation | Wired Design Last year, a pair of researchers from Duke University published a report with a bold title: “The End of the Segregated Century.” U.S. cities, the authors concluded, were less segregated in 2012 than they had been at any point since 1910. But less segregated does not necessarily mean integrated–something this incredible map makes clear in vivd color. The map, created by Dustin Cable at University of Virginia’s Weldon Cooper Center for Public Service, is stunningly comprehensive. This is the most comprehensive map of race in America ever created. White people are shown with blue dots; African-Americans with green; Asians with red; and Latinos with orange, with all other race categories from the Census represented by brown. “There are a lot of moving parts in this process, so this can cause different shades of color to appear at different zoom levels in really dense areas, like you see in NYC,” Cable explains. Looking at the map, every city tells a different story.