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- The map takes on the projection of the first data layer added. If a JPG is added first, then the map projection would be undefined (as the projection for a JPG is undefined). To define the map's coordinate system, in the Contents pane on the left, right-click the GISWorkshop map and navigate to Properties > Coordinate Systems > Geographic Coordinate Systems > North America > USA and Territories > NAD 1927.
- Click OK in the Properties window.
- In the Catalog pane, right-click the HST.jpg raster and select Add To Current Map.
- An alternative method of adding data to a map is to click-and-hold the item and drag-and-drop it into the Map View.
Georeferencing
Georeferencing is the process of defining the location of raster data using map coordinates which allows it to be viewed, queried, and analyzed with your other geographic data. For more practice with Georeferencing, check out our short course: Mapping Imagery. For more information on Georefencing in ArcGIS Pro, check out this help resource: Georeferencing
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