[X3D-Public] [Cad] Additive Manufacturing File Format -Wikipedia, the free encyclopedia

[maratow at noegenesis.com]

Then this should be clearly pointed out, and if we could show any type 
of performance metrics to prove this statement, all the better.  To be 
relevant, the performance detriment should be translated to real world 
consequences. 

On Wed, 18 Dec 2013 09:58:02 -0800, "Richard F. Puk" 
<puk at igraphics.com> wrote:
Hi --
>
> The format for coordinate and other triplet representations looks extremely
> inefficient :^)
>
>   -- Dick
>
> /******************************************
> | Richard F. Puk, Ph.D., President
> | Intelligraphics Incorporated
> | 7644 Cortina Court
> | Carlsbad, CA  92009-8206
> | Tel: +1-760-753-9027  Mobile:  +1-760-809-9027
> | Email:  puk at igraphics.com
> \****************************************** -----Original Message-----
> From: cad [mailto:cad-bounces at web3d.org] On Behalf Of Don Brutzman
> Sent: Wednesday, December 18, 2013 9:36 AM
> To: Cad3D working group
> Cc: X3D Graphics public mailing list
> Subject: [Cad] Additive Manufacturing File Format - Wikipedia, the free
> encyclopedia
>
> Wondering if anyone in the CAD working group has looked at AMF yet?
>
>  https://en.wikipedia.org/wiki/Additive_Manufacturing_File_Format
>
> p.s. it has been pointed out that the x y z representations are
> "interesting"... 
>
> <?xml version="1.0" encoding="UTF-8"?>
>  <amf unit="millimeter">
>    <object id="0">
>      <mesh>
>        <vertices>
>          <vertex>
>            <coordinates>
>              <x>0</x>
>              <y>1.32</y>
>              <z>3.715</z>
>            </coordinates>
>          </vertex>
>          ... 
>        </vertices>
>        <volume>
>          <triangle>
>            <v1>0</v1>
>            <v2>1</v2>
>            <v3>3</v3>
>          </triangle>
>          ... 
>        </volume>
>      </mesh>
>    </object>
>  </amf>
>
> p.p.s. Incidentally ASTM is charging $48 for this 15-page ISO standards
> document. 
> http://www.astm.org/Standards/F2915.htm
>
> all the best, Don
> -- Don Brutzman  Naval Postgraduate School, Code USW/Br       
> brutzman at nps.edu
> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA   +1.831.656.2149
> X3D graphics, virtual worlds, navy robotics http://faculty.nps.edu/brutzman
>
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