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ArcGIS By Example
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In this section, we will first discuss and explain the ArcGIS coordinate system. Then we will use a new add-in control to interact with the map. We will use the tool control to add a point to the map. This point, which is identified by two important parameters, x and y, represents a cell phone location.
ArcGIS supports two different coordinate systems. The geographic coordinate system that uses decimal degrees (longitude and latitude) and the other one is the projected coordinate system that uses metric (x and y). There are just different ways to identify a location, and in this book we will be using the projected coordinate system.
To learn more about the ArcGIS coordinate system and the difference between the geographic and projected systems, refer to http://bit.ly/b04748_coordinatesystems.
To illustrate the coordinate system, follow these steps:
telzaviba.mxd map document under the supporting files C:\ArcGISByExample\telzaviba...
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