Latest Contributions by SamChan1

Here are the associated viewshed 2 results and the VAT.  There appears to be regions visible by multiple observers so I don't understand why the VAT table is showing -1 for observers for all the regions.  ... View more

Dan. Thanks for the reply. The DEM I am using is a raster dataset. I've looked over the two links you sent and ran Viewshed 2 again using the same inputs that I used previously. There are only 3 points in the input. I first ran it using perimeter sightline and the tool ran successfully. Then I changed it to all sightlines and, again, it ran successfully. I am fairly certain that I did not do anything differently other than the analysis method. So although I am able to get viewshed 2 to work, it is annoying that I don't know why it is working now. The next thing that is puzzling me is the observer value of -1  for all observers in the Value Attribute Table.  ... View more