Search for tag: "map projections"

ArcGIS Online: Change the Map Projection

By default, web maps you create in ArcGIS Online Map Viewer are displayed in the Web Mercator map projection. But what if you want to use a map projection other than Web Mercator for your map? This…

From  ArcGIS Online 314 plays

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 186 plays

Use Literally Anything but Web Mercator

While the Mercator projection was handy for navigation in the days of early explorers, and its web version is a default for web maps and apps today, the Web Mercator projection is not a good choice…

From  Esri 33 plays

Lining Up Your Data in ArcGIS

Projects usually combine data from different sources and with different spatial references. Often, your data layers don’t line up due to problems with coordinate systems and/or transformations.…

From  Esri 18 plays

Use Anything Other than Web Mercator!

The Web Mercator coordinate system has become the standard for many web maps and services. Unfortunately, Web Mercator is not a very good coordinate system. This short presentation will discuss why…

From  Esri 6 plays