DoH!  done... (see: http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?NURBS)

  EBo --



"Mario." <[email protected]> said:

> EBo, can you link or post that document to the WIKI?
That way you wouldn't need to post it everytime anyone asks how that works :)

On Mon, Apr 20, 2009 at 4:23 AM, Chris Radek <[email protected]> wrote:
> On Sun, Apr 19, 2009 at 08:12:48PM -0600, EBo wrote:
>> Do you have the paper (PDF) which discusses how it works?  If not I will 
>> track
>> it back down and email it to you.
>
> That would be great - no I haven't seen it yet.  We should get the
> information to John T as well, so he can add to the gcode docs.
>
>> On a side note, I wrote a simple Bezier->2.5D NURBS converter for testing. 
>>  I
>> may have found a bug, but I will want to play with it some more to make sure.
>>  If I have, then I have a very simple box made from something like 20 
>> bi-arcs
>> that do a funkidelic foxtrot around the expected path.  I just had one of my
>> machines shipped to me so I can actually test this...
>
> I noticed in TRUNK that it still needs some work concerning line
> numbers (sending the source line along with the canon call) so it's
> reported properly while running.  Also, I don't see why nurbs/splines
> shouldn't work with cutter comp (it is disabled explicitly).  Probably
> just some slight tweaking is needed for both these problems.
>
> Thanks again for your work tracking this down.
>
> Chris
>
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