====== Map sector ======

A //sector// is a group of one or more [[line]]s and two or more [[plane]]s (plus various other property values such as //lightlevel//). The [[floor]] and [[ceiling]] planes are mandatory.

[[Map]]s are composed of //sectors//.


===== See also =====

  *  [[xg:sector_type|XG sector type]]
  *  [[xg:class:mimic_sector]]