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re[4]: [cgmo-webcgm] Rob's respons on NURBS test

From
Don Larson <>
Date
2006-04-11T14:55:22+00:00
ID
Thread
re[4]: [cgmo-webcgm] Rob's respons on NURBS test
Dave

You're right. Lofton pointed this out too.

Here's a more complex CAD CGM that uses both NURBS and NUBS.

Don.

  > oops....I think that's a NUB??

  > Thx....Dave


  > Technical Fellow - Graphics/Digital Data Interchange
  > Boeing Commercial Airplane
  > 206.544.3560, fax 206.662.3734  <-- NEW NUMBERS
  > 

  > -----Original Message-----
  > From: Don Larson [mailto:] 
  > Sent: Monday, April 10, 2006 10:19 AM
  > To: Dieter Weidenbrueck; Cruikshank, David W; 'CGM Open WebCGM TC'
  > Subject: re[2]: [cgmo-webcgm] Rob's respons on NURBS test

  > All,

  > Here's a real world CAD CGM file that uses NURBS.
  > This was created with AutoCAD.

  > Don.


  >   > > This all leads to an observation/question.  Why is it that in
  >   > > all of the time we've been soliciting files for the NURBS
  >   > > test suite, the only NURBS example (with weights not equal to
  >   > > 1.0) was created by hand?  Are these things actually produced
  >   > > by any CAD systems in common use?"
  >   > > 

  >   > My personal opinion on this one continues to be that there is no
  > particular
  >   > reason for NUBS/NURBS in our environment. However, to allow for one
  > single
  >   > in-house-built product to play with these kind of curves, all others
  > have to
  >   > implement it as well...;-)
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