: [Qgis-user] Viewshed >From Specific Elevation?
You could try converting the first lidar returns to a raster layer and
using a negative elevation observer value or select point that is one
or 3 pixels away from the edge of the roof. I am not sure if the
negative observer height will work but it
: cg...@graytechsoftware.com; qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] Viewshed From Specific Elevation?
You could try converting the first lidar returns to a raster layer and using a
negative elevation observer value or select point that is one or 3 pixels away
from the edge of the
Subject:
[Qgis-user] Viewshed From Specific Elevation? I am attempting to test viewsheds
from multiple heights below the roofline of particular buildings. I have been
identifying viewing positions from directly from LiDAR data, but I cannot find
a way to use absolute values for elevation. The
I am attempting to test viewsheds from multiple heights below the roofline
of particular buildings. I have been identifying viewing positions from
directly from LiDAR data, but I cannot find a way to use absolute values for
elevation. The build-in visibility analysis seems to always use the raster
