New answers tagged viewshed
I'm not as advanced as many of the users in this community, but I would clip each area I am interested in and conduct the analysis on each clipped area individually. If you want to keep everything in one .mxd file, you may want to create a Map Book using Data Driven Pages. It's a very efficient way to work on projects with multiple, distinct study areas. ...
Sequence of operations is: Start ArcMap Load raster Confirm that this definitely displaying in meters and is BNG Create your point, it looks as if you are displaying them as an XY event layer. When you create them make sure you set their projection as WGS84 (lat/long) as this it what they are They should automatically be re-projected on the fly because the ...
Set up your observer vector attribute table to contain the additional fields (RADIUS1, AZIMUTH1 etc). I haven't used viewshed in Arc for a while as I do it in other ways now but something at the back of my mind makes me think the field names might be case-sensitive (that might have been for the old ArcInfo 7.x on Unix though and might not apply to modern ...
SAGA 2.1.0 can perform viewshed analysis for multiple points. You can vectorize it by following method. Modules > Shapes >Grid >Vectorization.. Thnks
Top 50 recent answers are included