Interesting. I would not have expected it. One possible culprit is that I remember people working on look-ahead. When you convert a NURB to biarcs, you can get a LOT of little segments. As you allow more and more look-ahead processing and motion profiling you will get better results.
Hope that helps, EBo -- On Apr 21 2015 2:18 PM, John Thornton wrote: > I did a test and upgraded to 2.6.7 and had the same result, I just > tried > it in 2.7 and it ran at speed. So I have a good reason to upgrade to > 2.7 > now. > > Thanks for looking at it. > > JT > > On 4/21/2015 2:39 PM, EBo wrote: >> It has been awhile since I crawled around in 2.5, but I can almost >> guarantee that it is bi-arcs (or biarcs) and not true NURBS >> implementation. Here are the details: >> >> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?NURBS >> >> Hope this helps, >> >> EBo -- >> >> >> On Apr 21 2015 12:33 PM, John Thornton wrote: >>> I'm running 2.5.4 from a live cd on ubuntu 10.04, I guess I need to >>> upgrade to 2.6 and see what it does. >>> >>> JT >>> >>> On 4/21/2015 7:39 AM, EBo wrote: >>>> Hmmm... good question. What version/revision of LCNC are you >>>> using? >>>> Is this a source build via a test branch? I can try to look into >>>> it >>>> from there. >>>> >>>> EBo -- >>>> >>>> On Apr 21 2015 6:31 AM, John Thornton wrote: >>>>> How do I tell? >>>>> >>>>> On 4/20/2015 11:38 AM, EBo wrote: >>>>>> With the recent discussion on NURBS output from truetype-tracer >>>>>> 4, >>>>>> it >>>>>> got me to wondering which implementation and version of NURBS? >>>>>> At >>>>>> one >>>>>> point we were running a bi-arcs approximation to actual NURBS, >>>>>> and >>>>>> Li's >>>>>> work on the FPGA-NURBS work implements proper NURBS. So, are >>>>>> you >>>>>> testing this against a proper NURBS implementation or are you >>>>>> using >>>>>> the >>>>>> bi-arc approximations? >>>>>> >>>>>> Thanks, >>>>>> >>>>>> EBo -- >>>> >>>> ------------------------------------------------------------------------------ >>>> BPM Camp - Free Virtual Workshop May 6th at 10am PDT/1PM EDT >>>> Develop your own process in accordance with the BPMN 2 standard >>>> Learn Process modeling best practices with Bonita BPM through live >>>> exercises >>>> http://www.bonitasoft.com/be-part-of-it/events/bpm-camp-virtual- >>>> event?utm_ >>>> >>>> >>>> source=Sourceforge_BPM_Camp_5_6_15&utm_medium=email&utm_campaign=VA_SF >>>> _______________________________________________ >>>> Emc-developers mailing list >>>> [email protected] >>>> https://lists.sourceforge.net/lists/listinfo/emc-developers >>> >>> >>> >>> ------------------------------------------------------------------------------ >>> BPM Camp - Free Virtual Workshop May 6th at 10am PDT/1PM EDT >>> Develop your own process in accordance with the BPMN 2 standard >>> Learn Process modeling best practices with Bonita BPM through live >>> exercises >>> http://www.bonitasoft.com/be-part-of-it/events/bpm-camp-virtual- >>> event?utm_ >>> >>> >>> source=Sourceforge_BPM_Camp_5_6_15&utm_medium=email&utm_campaign=VA_SF >>> _______________________________________________ >>> Emc-developers mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/emc-developers >> >> >> ------------------------------------------------------------------------------ >> BPM Camp - Free Virtual Workshop May 6th at 10am PDT/1PM EDT >> Develop your own process in accordance with the BPMN 2 standard >> Learn Process modeling best practices with Bonita BPM through live >> exercises >> http://www.bonitasoft.com/be-part-of-it/events/bpm-camp-virtual- >> event?utm_ >> >> source=Sourceforge_BPM_Camp_5_6_15&utm_medium=email&utm_campaign=VA_SF >> _______________________________________________ >> Emc-developers mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-developers > > > > ------------------------------------------------------------------------------ > BPM Camp - Free Virtual Workshop May 6th at 10am PDT/1PM EDT > Develop your own process in accordance with the BPMN 2 standard > Learn Process modeling best practices with Bonita BPM through live > exercises > http://www.bonitasoft.com/be-part-of-it/events/bpm-camp-virtual- > event?utm_ > > source=Sourceforge_BPM_Camp_5_6_15&utm_medium=email&utm_campaign=VA_SF > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers ------------------------------------------------------------------------------ BPM Camp - Free Virtual Workshop May 6th at 10am PDT/1PM EDT Develop your own process in accordance with the BPMN 2 standard Learn Process modeling best practices with Bonita BPM through live exercises http://www.bonitasoft.com/be-part-of-it/events/bpm-camp-virtual- event?utm_ source=Sourceforge_BPM_Camp_5_6_15&utm_medium=email&utm_campaign=VA_SF _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
