I am using ArcGIS Desktop 10.1.
My study area is quite large (sometimes spanning across a few grid squares) and when I am running a viewshed analysis or calculating slope or euclidean distance it calculates for the entire region. But at times I just want to concentrate on a very small area (e.g. within a 10 km radius).
In these cases is there anyway to make sure that these analyses just focus on the required area rather than the entire region?
When it calculates for a really large area I am having difficulties with symbology - I can't classify results into anything meaningful!