GISWiki.NEWS.Reader » GIS Lounge - Geographic Information Systems » April 7, 2008

GISWiki.NEWS.Reader » GIS Lounge - Geographic Information Systems » April 7, 2008

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GIS Lounge - Geographic Information Systems

Walmart Expansion Across the U.S.

Posted: April 7th, 2008, 5:17pm CEST by Caitlin

Tags: Trivia

Starting with the first location in Rogers, Arkansas in 1962, this video maps out the growth of Walmart across the United States. The video shows the progression of Walmart’s expansion that starts out slowly in the late 1960s and rapidly speeds up starting in the 1970s and 1980s. Today, Walmart has over 3,800 [...]
Relief Shading

Posted: April 7th, 2008, 3:32am CEST by Caitlin

Tags: Cartography

Relief shading involves the use of shadows to emphasize the topography of a terrain. In GIS, most often this involves the use of a digital elevation model (DEM) that has undergone a technique called hillshading. The variation in shadowing gives the elevation a 3D effect and helps put into context how hilly or flat a [...]

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