My DEM is currently in the NAD 83 UTM zone 16 projection which is the correct zone for our area and matches the projection of the data downloaded from the ACPF website. It says the vertical accuracy is 6.24 cm and the horizontal accuracy is 0.6 m. Should I resample my raster to have 7cm z-factor and 1-meter cell size?

Before resampling, take a look at your settings. In ArcMap in the table of contents, right click on the DTM/DEM you are using and select properties. Click on the Source tab and email back with theRead More…