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Note, esri supplied reference data (not imagery) can be cached over NAIP imagery if road/place names on top of the imagery is desired.
Caching Custom Imagery in Arc Pro
Imagery acquired for a project and stored locally on a computer (not streamed from an online source) can be cached in Arc Pro via the following instructions.
• Load rasters to mosaic dataset (dataset can be in Web Mercator even if rasters are not). In the past, imagery has needed to be projected to Web Mercator prior to caching. As of Arc Pro 3.x, imagery does not projected Web Mercator, as long as the data frame coordinate system is set to Web Mercator prior to caching.
• Build Pyramids and Calculate Statistics as you load rasters in the mosaic dataset.
• Once the mosaic dataset has been created. Open the Attribute table of mosaic dataset from pro and field calculate Max PS (Max Pixel Size to something like 1000 or 5000).
• Open the properties of the mosaic dataset from catalog and change number of rasters to display in the properties from 20 to the number you have in the dataset
• Use the Mosaic Layer properties (ribbon button) to display “none” on the stretch type
• This should give you a color balanced, nice looking, raster image in Pro – cache this
• You can use the Mosaic Layer properties (ribbon button) to apply the Color Infrared version