(1) (Data West Research Agency definition: see GIS glossary.) The closeness of results of observations, computations, or estimates of graphic map features to their true value or position. Relative ...

You’ve (probably) never seen the world unless you’ve served a stint on the International Space Station. Only a few hundred people out of billions of folks alive today have ever seen an undistorted, ...

No audio available for this content. The American Society for Photogrammetry and Remote Sensing (ASPRS) has released new Positional Accuracy Standards for Digital Geospatial Data. The PDF is available ...

Significant loss of life, destroyed property and businesses, and repairs to infrastructure could be avoided by replacing Federal Emergency Management Agency flood maps with ones that contain ...

DAKAR, Senegal — On the Mercator projection, one of the world’s most popular maps, Greenland and Africa appear to be about the same size. But on the Equal Earth projection showing continents in their ...

Adesign fromartistHajime Narukawarecently won the Good Design Award for its accuracy. There have been many beautiful maps of the worldand most are pretty inaccurate. Artist Hajime Narukawa recently ...

Humanity has been able to predict solar eclipses for more than 2,000 years, but even in modern times, eclipse maps have been a lackadaisical exercise. New research at NASA’s Goddard Space Flight ...