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CAD tip CAD tip # 10562:

Question CAD 
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Q - question

How to select all vertical or all horizontal lines in a DWG?

A - answer You can use the "filtered selection" command QSELECT to select only precisely vertical or precisely horizontal lines in your AutoCAD drawing.

For the LINE selection filter condition, choose the property "Delta X" (for verticals) or "Delta Y" (for horizontal lines) equal to 0.

You can also include "almost vertical" and "almost horizontal" lines (in both slope directions) - you can do so by setting the selection criteria to Delta less than 1 (or other suitable value).

By combining adding to and removing from a selection set you can also e.g. look up lines which appear as horizontal but are not precisely horizontal (delta Y less than 1 minus/remove delta Y = 0).

100% *  CAD 
27.10.2015    4841×  
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applies to: AutoCAD ·

See also:
Tip 11998:Double object snap (osnap) - how to align a line between two lines? (geom.constraints)
Tip 11914:Maze generator for AutoCAD.
Tip 10642:How to insert a vertical dimension to 3D in Revit?
Tip 10437:How to draw AutoCAD rectangle from its center point?
Tip 10307:Easy mirroring of selected objects around their axis/center.

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