How to georeference a PNG in ArcMap without losing transparency?
I am assuming you are talking about ArcGIS 10.x since your post does not mention Pro. After you geofererence your image (with an existing alpha band that is transparent) your transparency should ...
ArcMap : Using "near" with python only on objects with the same ID in 2 shp
Here is the answer by Johannes Lindner given on ESRI community, I used it and did exactly what I needed (@FelixIP it use distanceto, like your answer) : It's probably doable with some tool (eg ...
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