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= Tools > Orthogonalize Shape =

[[Image(source:trunk/images/ortho.svg)]] ''Keyboard shortcut:'' **{{{Q}}}**

**Move nodes that all angles are 90 or 180 degrees.**

With one or more ways selected, the form will be modified so that all angles will be 90 or 180 degrees.

== Using two nodes for alignment ==

You can select two additional nodes. Then segments will be aligned in accordance with these nodes.

[[Image(q-align.gif)]]

Later, you can cancel the movement of certain nodes, select them and press **{{{Shift+Q}}}**.

== Complex buildings == 

* use split buildings temporarily with {{{P}}} [wikitr:/Help/Action/SplitWay Split Way]
* orthogonalize portions of a building as usual
* reconnect parts back with {{{C}}} [wikitr:/Help/Action/CombineWay Combine Ways]

[[Image(split-q-then-combine.gif)]]


== Undo moves of selected nodes ==

Select nodes you want to undo, then press {{{Shift+Q}}} and selected nodes will be placed back to origin.

== Orthogonalization is not Rotation ==

Some users confuse this tool with rotation.

[[attachment:wiki:Help/Action/OrthogonalizeShape:Orthogonalization is not Rotation.osm|Orthogonalization is not Rotation.osm]]

before (note small extrusion, multiple times smaller than other part)

[[Image(Orthogonalization is not Rotation - before - cropped.png,nolink)]]

After Orthogonalization ([https://knowledge.autodesk.com/support/autocad/getting-started/caas/CloudHelp/cloudhelp/2016/ENU/AutoCAD-Core/files/GUID-9810D35D-E975-49E2-88EA-51FE4ACC92DB-htm.html dimensions]/length is not preserved at all):

[[Image(Orthogonalization is not Rotation - after - cropped.png,nolink)]]

For rotation see [wikitr:/Help/Action/Select#Rotate Rotate].


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