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Find the Area of a Shape With a Hatch
Tip# 3180 By Lynn McCann On 12-Apr-2009
Rated By 1 users
Categories : Hatch Data
Software type : AutoCAD 2009
Rename File To : No Files to download.
Lynn McCann sent in a tip for finding areas of odd shaped lots and properties.

"I have two tips that help my efficiency at work. I often have to find areas of odd shaped lots and properties which aren't defined by a continuous polyline. Instead of creating a temporary polyline along all the boundary edges (especially a pain if it includes arcs) and using the area command, I hatch the area and list the properties. The area is listed. Also I found if the corners don't meet, set the HPGAPTOL to be greater than the gap. The hatch by pick points works great, even if you have to pick several points within the area."

NOTES FROM CADALYST TIP PATROL: Hatches can give you the area of a shape. Perhaps you don't want to have a hatched area in your drawing and the shape is difficult to close. You can try creating a boundary or a region. Type on the command line BOUNDARY or REGION to invoke either command. Once these shapes are created you can get the area from them just like a polygon or hatch.


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User comments
Comment by McSwain,R.K.
Posted on 2009-04-13 14:42:14
I have not tested thoroughly in AutoCAD 2010, but in other versions there are instances where the hatch object won't return an area in properties. Just something to know if you go there and it's blank...
Comment by Hamilton,Brian
Posted on 2009-04-13 17:17:21
I agree with the Tip Patrol. Just use the BPOLY command. It will save a few steps like defining the hatch.
Comment by Finkel,Ray
Posted on 2009-04-14 01:05:25
Additionally, if you creat a hatch or poly line or boundary, use a field to provide the information on the area. This is very effective to know building areas, floor areas, etc...
Comment by Jessup,Allen
Posted on 2009-04-14 07:18:16
Additionally. If you create the Regions you can then use commands like Union and Subtract to create complex regions. I use these to calculate impervious area on a site and link them to fields to perform additional calculations or display the results.