I want to create slope from DEM using Raster Slope Calculator, the transformer won't give me the new "band 0" values.

Hello @ktmoynahan​, after you run your dataset through the RasterSlopeCalculator, Band0 should represent the slope. If you try to reproject the new/slope raster, the band values should be unchanged, but appear in a new location (assuming a non-vertical reprojection). If I've misinterpreted your question, please let me know and consider adding a workspace or photos to help illustrate the issue! Hope this helps, Kailin