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

[Don Larson <dlarson@cgmlarson.com>]

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
  > david.w.cruikshank@boeing.com

  > -----Original Message-----
  > From: Don Larson [mailto:dlarson@cgmlarson.com] 
  > 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...;-)

R300-20-1.CGM