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What processing is done on DN when loading a IMD file?

Question asked by ebourlon@stfx.ca on Oct 25, 2017

Hi, the metadata IMD file contain info about the location date, and satellite sensor calibration factors for WorldView imagery. I'm also loading Landsat8 the same way using a metadata txt file. I am wondering if arcgis is preprocessing the tiles to get a top of the atmosphere reflectance image from the DN when adding the IMD/txt file as a raster. It does something as all the tiles are displayed nicely without any change/step tile to tile. Thanks!

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