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

[Richard F. Puk]

Hi --

The format for coordinate and other triplet representations looks extremely
inefficient :^)

  -- Dick

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| Richard F. Puk, Ph.D., President
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-----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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