Search for tag: "map projections"
What You Need to Know About Coordinate Systems and TransformationsNeed help with understanding coordinate systems and transformations? Learn about the different coordinate systems and when to use them. Find out when transformations between geographic or vertical…
From Esri
59 plays
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ArcGIS Online: Change the Map ProjectionBy 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
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Spatial Analysis: The Importance of Coordinate SystemsWorking 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
292 plays
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Use Literally Anything but Web MercatorWhile 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
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Lining Up Your Data in ArcGISProjects 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
37 plays
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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
18 plays
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