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CAD tip CAD tip # 7916:

Question CAD 
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Q - question

Searching for hatches with missing Area property.

A - answer AutoCAD drawings may contain hatches which - mostly due to the loss of associativity - do not have the "Area" property and so you cannot use them to summarize the total area. For area calculations you will need to fix them first - reconstruct their boundary curve and re-create the hatch.

To identify such complaining hatches, we made a LISP utility SelHatch0 - it selects all hatches that do not contain the property Area - so e.g. the Properties windows doesn't display the area of such hatch object.

You can download the SelHatch0 utility from www.cadstudio.cz/download, laod it with APPLOAD and run it with the command SELHATCH0. The complaining hatches will be pre-selected for editing.

ACAD
100% *  CAD 
15.4.2011    5911x  
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applies to: AutoCAD ·

See also:
Tip 11037:How to hatch area defined by border points, not geometry?
Tip 9149:Total area of selected regions or hatches (by layer)
Tip 7648:Area not displayed for some boundaries or hatches.
Tip 6031:AutoCAD: Do you really want to do this?
Tip 5387:Automatic area label - acreage of the selected object.


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