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CAD tip CAD tip # 5387:

Question CAD 
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Q - question

Automatic area label - acreage of the selected object.

A - answer A simple LISP utility FArea creates a text field with a dynamic area label displaying the acreage of the selectd closed polyline, region, circle or hatch in an AutoCAD drawing (select the measured object and a text for the label). This label is automatically updated on any change of the area of the given entity. So measuring areas is much simpler. You can create the label as a new Text object, or pick an existing Text, MText or block Attribute to modify.

The fArea utility also contains the commands fLength (length/perimeter label) and fProp (labels linetype, material, layer or other object property).

FArea.VLX is free for download on www.cadstudio.cz/download

Just load the VLX file with APPLOAD and run the fArea command.

(with (setq) you can preset the _FAREASUFFIX, _FAREAFACTOR and _FAREAPREC Lisp variables for the label suffix, the label value multiplication factor and the display precision respectively; you can set the same values also in the command's option Setup)

ACAD2011ACAD2009ACAD2007ACAD2006ADT
100% *  CAD 
28.1.2007    40827×  

See also:
Tip 12287:AutoCAD hatch flood-fill does not honor all boundaries.
Tip 12129:Atypical use of meshing for tiling a closed shape.
Tip 12105:Select the smallest DWG object - MinOf utility.
Tip 11654:Select 3D solids by their height, volume, surface (smaller then...)
Tip 11288:Selection cycling is not working in TRIM/EXTEND.


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