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CAD tip CAD tip # 10562:

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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    3432×  
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applies to: AutoCAD ·

See also:
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.
Tip 10229:How to find 3DFaces with degenerated vertices?
Tip 9877:How to get the outer dimension text closer to the extension line?

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