I'm new to terrain analysis. I have a 30m NED DEM (.tif) for the conterminous US. I would like to generate a nice looking hillshade for the US, but it looks bad - as in pixelated and rough (See image). I have tried different classification schemes and number of classes, which helps some, but not enough. I have tried majority filter, but the output looks exactly the same. Is there some sort of smoothing function that should be applied for this scale? Any suggestions much appreciated.
Edit: Using ArcMap 10.1, projected w/ NAD83 Albers Edit 2: The hillshade could use more "depth", but looks good for now (image 2).