I have aerial imagery of a county in Texas - gen4.sid format, projection NAD_1983_StatePlane_Texas_Central_FIPS_4203_Feet. I am trying to project this imagery data to WGS 1984 Web Mercator system to use in ArcGIS Online.
I have tried using Data Management>Projections and Transformations>Raster>Project Raster Tool, but with no success. The process begins and will run for hours without any result despite showing 100% completion for hours.
Try a two step process: FIrst, save as a different file format (right click Data >> Export Data >> [choose a different file format than sid]). Then try to reproject. SId is a high compression file format, and may be masking the fact that you are working with a huge file. Regards, Jim