Tag Archives: QGIS

Hayden’s Survey in 3D

Above image: Hayden’s triangulation survey map is overlaid on a digital elevation model. A GIS project visualizes the fascinating triangulation network created for the historic Hayden survey of Colorado. One of the great surveyors in the American West is undoubtedly Ferdinand Vandeveer Hayden. A physician during the Civil war, he rose to be chief medical...

Creating Album Covers with GIS—or Drawing Elevation as Vector Lines

In July 2014, a developer and neocartographer from Scotland created the “Joy Divionesque 3D Map.” This began a four-year onslaught of maps that replicate the style of the iconic Joy Division album cover, “Unknown Pleasures.” How does it work? Essentially the elevation is taken from an underlying terrain or digital surface map as points, which...

Time & Progress

Editor’s note: As an example of how far QGIS has evolved and the depth of the many features and plugins, Anita Graser, key member of the QGIS team and author of popular QGIS guide books, offers the following details. Graser was also one of xyHt’s 2015 inaugural 40 geospatial professionals under 40.   More and...

QGIS Chair

An Interview with Paolo Cavallini Paolo Cavallini has been part of QGIS for as long as I can remember. Whenever I’ve had problems or made a remark on the QGIS mailing list, he has been there to help. He is everything you don’t expect a developer to be. Furthermore, he has now become chair of...

Founder of QGIS: Gary Sherman

An Interview with Gary Sherman If Roger Tomlinson is considered the father of GIS, then Gary Sherman is one of the godfathers. He started building a GIS to solve a particular problem, and it has since grown into the world’s most-popular free GIS: QGIS. Gary doesn’t often give interviews, so when he agreed to do...

QGIS: What Is It and How Does It Work?

Editor’s Note: Nowadays everything costs, whether you are a solo practitioner, in a small business, or part of a large firm seeking to expand. You buy a new laptop, you need an operating system, then office software, then a broadband subscription; the cost keeps escalating. Are you bound to this legacy progression of costs? Not...