Editing Portal (section)

== Terminology ==

=== Portal Window ===

'Portal window' refers to the area of the screen that a portal occupies. For example:

[[Image:Pterminology01.png]]

This is a simple map with no portal surfaces, and no portal window.


[[Image:Pterminology02.png]]

This is the same simple map with a fixed plane portal applied to the ceiling of the sector. The portal window is outlined in white.


[[Image:Pterminology03.png]]

This is the map, but the same plane portal is applied to the ceiling and the far wall. The two surfaces display the same portal, and as such, they share a common portal window (also outlined in white).

All surfaces in a scene that have a common portal will share the same portal window.

=== Dummy Sector ===
A sector off of the main map area which is used by line or sector specials as a model, or as housing for lines which need to be a specific size.