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Orthogonal

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Revision as of 21:34, 27 November 2009 by Quietust (talk | contribs) (Undo revision 58758 by 63.249.116.37 (Talk))
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Orthogonal, or orthogonally, is a fancy word for "not diagonally". It's the technical word for "East-West, North-South" or "up or down or left or right".

Each of these lighter tiles is orthogonal to the darker tile:

      ░
     ░▓░
      ░


These tiles are all connected orthogonally:

▓▓▓▓▓▓   ▓▓▓
   ▓     ▓
   ▓▓▓▓▓▓▓


These tiles are not, some are diagonal:

▓▓▓ ▓▓    ▓▓
  ▓▓     ▓
    ▓▓▓▓▓▓


In Dwarf Fortress, this concept is important in many aspects of construction, fluid pressure, and pathing, among other areas. Especially in above-ground construction, where a tile not connected orthogonally to something either cannot be built, or will collapse.