Photozincography, or heliozincography, was a revolutionary way of copying photographic negatives onto zinc to be used for map making, outlines, engravings, and the reproduction of images.
Harnessing the power of technology, crowdsourcing data and maps draws upon a large group of people from all over the globe in order to pull together ideas, content, or services, and those who take part in are mostly volunteers. A good example of geographic data crowdsourcing is OpenStreetMap, a collaborative [...]
Timed with this year’s Esri International User Conference, Epson has announced the second generation of its SureColor T-Series of large format color printers. Epson has focused improvements to its printer series towards architects, engineers and GIS professionals. I had a chance to speak with Timothy Check, Project Manager at Epson [...]
When cartographers create maps, it is usually with the intention of being as accurate as possible. After all, when humans consult maps, they want to know where an exact location is and how they can get there. In the past, though, mapmakers have been known to slip in what are [...]
The U.S. Geological Survey and Esri are working together to make over 178,000 maps of the United States available to the public via an online map explorer. The USGS Historical Topographic Map Explorer lets users browse the extensive collection of scanned maps. Since its official launch in September of 2011, the USGS has led an effort [...]