Thanks for the tip, I will look! On Mar 15, 2012 6:40 PM, "Dan Falck" <dfa...@frontier.com> wrote:
> Dave, > You might look in some the C++ code in the HeeksCNC project for > inspiration. Dan Heeks did a pretty good job with spline to arc conversion > with OpenCascade. > Dan Falck > > Sent from my HTC smartphone on the Now Network from Sprint! > > > ----- Reply message ----- > From: "Dave Cowden" <dave.cow...@gmail.com> > To: "pythonOCC users mailing list." <pythonocc-users@gna.org> > Subject: [Pythonocc-users] Decompose BSpline to arcs and lines? > Date: Thu, Mar 15, 2012 3:17 pm > > > Thanks for the pointer, Thomas! > > > On Thu, Mar 15, 2012 at 10:00 AM, Thomas Paviot <tpav...@gmail.com> wrote: > >> 2012/3/14 Dave Cowden <dave.cow...@gmail.com> >> >>> Hi, all ( especially Jelle ): >>> >>> I'm trying to solve a problem i just know someone else has solved: >>> converting a bspline into arcs and lines. ( Actually in my case i have a >>> list of points, through which I am interpolating a bspline-- so i could >>> skip that step actually. ) >>> >>> Anyway, I came across this OCC thread, which yielded several ideas but >>> its not clear there was a solution: >>> >>> http://www.opencascade.org/org/forum/thread_20706/ >>> >>> I tried to fetch the URL Jelle Posted for hb-robotics-code on google, >>> but the link is dead. >>> >>> >>> Does anyone know if there s any pythonOCC code I can grab that will make >>> solving this problem easier? If not, I certainly think its worth adding to >>> pythonOCC. >>> >>> Since my problem doesnt care about the intermediate bspline ( I have a >>> list of points ), then I may instead use something along the lines of one >>> of these algorithms: >>> >>> http://miarn.sourceforge.net/pdf/a1738b.pdf >>> http://www.bmva.org/bmvc/1988/avc-88-040.pdf >>> >>> which seems very fast. It is for arc detection, but of course what's >>> left is just lines. >>> >>> Has anyone else had experience with this problem? >>> thanks a lot! >>> Dave >>> >>> >> Hi Dave, >> >> I'm not aware of any work related to BSpline to arc/lines decomposition >> using pythonOCC. Maybe this reference >> http://www.sciencedirect.com/science/article/pii/S0010448599000196 could >> also help. >> >> Regards, >> >> Thomas >> >> >> _______________________________________________ >> Pythonocc-users mailing list >> Pythonocc-users@gna.org >> https://mail.gna.org/listinfo/pythonocc-users >> >> > > _______________________________________________ > Pythonocc-users mailing list > Pythonocc-users@gna.org > https://mail.gna.org/listinfo/pythonocc-users > >
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