Search for tag: "datum"

Spatial Analysis: The Importance of Coordinate Systems

Working with spatial data may require three coordinate systems for different purposes: data storage, spatial analysis, and display on a map. The appropriate choice for one purpose may not be the best…

From  Esri 200 plays

What You Should Know About Geographic (Datum) and Vertical Transformations

How do I pick the best transformation? What if there’s no available transformation? I just upgraded from 10.3 to 10.5.1 and I don’t see transformations that I used before. What’s…

From  Esri 45 plays

Introducing Coordinate Systems and Transformations

What are coordinate systems? What should I know about vertical coordinate systems? Why should I care about geographic (datum) and vertical transformations? The software just handles them…

From  Esri 244 plays