Do you have a selection?Are all the files in the same coordinate system? (preferably a projected one)See the discussion in the help fileshttp://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00080000001q000000
try running it on a local machine with files in a folder in a new project
Angemeldete Mitglieder können Beiträge verfassen, Updates folgen und mehr. Neu hier? Registriere ein kostenloses Konto.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.