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RE: moment of inertia using autocad

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I posted a VBA program for AutoCAD in the structuralist.net bulletin board,
in the VBA section under "software productivity tools".  Check it out.

 -----Original Message-----
From: 	Earl McGuire [mailto:engineer(--nospam--at)inforum.net] 
Sent:	None
To:	seaint(--nospam--at)seaint.org
Subject:	Re: moment of inertia using autocad



----------
> Hi !
> 
> how about using the command    "regions"   instead of  "solid" ?
> 
> I tried it 1min ago and the autocad said  like below !
> 
> 
> ----------------   REGIONS   ----------------
> 
> 
> Area:                    200.0000
> Perimeter:               60.0000
> Bounding box:         X: -10.0000  --  10.0000
>                       Y: -5.0000  --  5.0000
> Centroid:             X: 0.0000
>                       Y: 0.0000
> Moments of inertia:   X: 1666.6667
>                       Y: 6666.6667
> Product of inertia:  XY: 0.0000
> Radii of gyration:    X: 2.8868
>                       Y: 5.7735
> Principal moments and X-Y directions about centroid:
>                       I: 1666.6667 along [1.0000 0.0000]
>                       J: 6666.6667 along [0.0000 1.0000]
>