Stephen, Thanks for the correction.
EBo -- Stephen Wille Padnos <[email protected]> said: > EBo wrote: > > >Mark, > > > >It would help to tell us what you are trying to accomplish. From your last > >statement: > > > > > >>Now I just have to figure out how to draw a helix... > >> > >> > > > >The problem that I see is that you might not be able to get there from arc's > >and might have to approximate arcs as lines only. The issue is that g02/03 > >(arcs) are assumed to be planar -- which means you cannot get there from > >where > >you are. > > > > What you can't do is an arbitrary helix, or an arbitrary arc for that > matter. Only plane-aligned arcs are allowed at the moment, which turn > into plane-aligned helixes if you also move in the perpendicular axis. > > - Steve > > > If there is some way to generate an arc that also moves in another > >dimension/axis then you will have to account for that and can actually > >generate a helix. Maybe I am just missing the point from skimming this > >thread, but I'm getting the feeling that something is a little off... > > > >BTW, this is one of the reasons that I advocated NURBs years ago since a > >helix > >can be generated by skewing the control polygon of a circle. > > > > EBo -- > > > > > >Mark <[email protected]> said: > > > > > > > >>--0016362834ee85fb7f04643b1f21 > >>Content-Type: text/plain; charset=ISO-8859-1 > >>Content-Transfer-Encoding: 7bit > >> > >>Thanks. For right now, I'll stick with the SAI output, since I'm already > >>using it. > >>I tried to find the functions (ARC_FEED etc) before, but whatever string I > >>searched for only showed up in emccannon.cc - which doesn't have the > >>printf's. > >> > >>Does the interpreter take care of offsets, cutter radius compensation, etc, > >>or is that taken care of somewhere else? I see functions in test.cc related > >>to both, but I am wishing really, reeeeally hard that it's taken care of for > >>me :) > >> > >>I just remembered gdepth. I will take a look at it. I'm trying to do about > >>the same thing, only using Open Cascade. I hope the accuracy will be high > >>enough to compare the volume of the model generated from g-code with the > >>volume of the original model, to see if there are differences. > >> > >>Now I just have to figure out how to draw a helix... > >> > >>Mark > >> > >>On Tue, Mar 3, 2009 at 12:36 PM, Alexey Starikovskiy <[email protected]>wrote: > >> > >> > >>>You may insert code into ARC_FEED/STRAIT_FEED of the attached program. > >>>command line to compile it (put your paths to emc source): > >>>g++ -I../x/emc2-trunk/include/ -L../x/emc2-trunk/lib/ > >>>-R../x/emc2-trunk/lib/ -lrs274 -lemcini test.cc -o t > >>> > >>>Mark wrote: > >>> > >>> > >>>>What I want is a way to get lines and arcs from a gcode file. > >>>> > >>>>Question: if changes are made to the main interp, do they propagate to the > >>>>Axis version or must the Axis version be edited by hand? > >>>> > >>>>Mark > >>>> > >>>>On Tue, Mar 3, 2009 at 11:55 AM, Jeff Epler <[email protected]> > >>>>wrote: > >>>> > >>>> > > ------------------------------------------------------------------------------ > Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA > -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise > -Strategies to boost innovation and cut costs with open source participation > -Receive a $600 discount off the registration fee with the source code: SFAD > http://p.sf.net/sfu/XcvMzF8H > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers > -- ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
