This folder contains sample data used for the "Viewshed Analysis" tutorial.

NEONBoulderDSM.dat: Digital surface model (DSM) mosaic of Boulder, Colorado with 1-meter spatial resolution, acquired on 26 June 2013, saved to ENVI raster format. Data courtesy of the National Ecological Observatory Network.

NAIPBoulderAirphoto.dat: Aerial image mosaic of Boulder, Colorado from the National Agriculture Imagery Program (NAIP), 1-meter spatial resolution, saved to ENVI raster format. Data available from the U.S. Geological Survey.