About Out Areas
An "Out Area" is a closed
breakline
that excludes the interior area within the polygon from the surface.
On the screen, out areas appear as "holes" in the surface.
If a DEM was exported using out areas, the
areas within the closed breaklines would be assigned no data values.
Example of using out areas
| Buildings
defined as out areas (i.e., no data) |
Out Area state
turned on for buildings |
 |
 |