I ran the arc-arc test after changing Y3 in lines 3 & 7 to Y2 and Y-3 in line 6 to Y-2 to better suit the envelope of my mill. Using 2.6 standard it ran ok, using 2.6 with arc-blend when running line 6, it jumped to line 7 when it reached Y0 rather than Y-2. Screenshots at https://www.dropbox.com/sh/wb05n11coih47ld/gJ6AY1Drch Cheers, Phill
On Sat, 4 Jan 2014 01:43:23 -0500 Robert Ellenberg <rwe...@gmail.com> wrote: > I just noticed a weird bug in a recent commit on the circular arc branch > that causes acceleration violations when pausing / stopping. I've rolled > back the circular arc branch to a known good commit to be safe. If anyone > has pulled from that branch in the last three days, please reset to the > current circular-blend-arc-alpha branch, which should point to this commit: > > 689e5cb185f87deba62391cd184f21f360ce2246 > > I'll push an update once I'm sure the bug is fixed. > > > On Mon, Dec 30, 2013 at 1:20 PM, Robert Ellenberg <rwe...@gmail.com> wrote: > > > > > On Dec 30, 2013 12:24 PM, "sam sokolik" <sa...@empirescreen.com> wrote: > > > > > > Could you explain your 'small gain'? from what I am seeing - you have > > > to slow down to do a parabolic blend (If I understand it - it is a > > > read-ahead buster) > > > > > > There are paths (like steve.ngc) which would be able to keep the speed > > > up if there was arc-arc, arc-line blends and you can optimize the path > > > (depth). And yes - I know it is a lot of work. > > > > > > (you are doing a great job - it is very impressive how quick you got to > > > this point) > > > > > What i mean by small gain is more statistical. It seems like most > > engraving-type g-code is made up of line segments, so the biggest overall > > gain is from making arc blends between lines, simply because there are so > > many line intersections. It is true that hitting an arc-arc or line-arc > > blend is a lookahead buster, though, so it doesn't take much to cause > > annoying slowdowns like in Steve.ngc. > > > > I'm planning on a little more hardware testing first, but if code like > > Steve's and Julian's is common, then it looks like blends with existing > > arcs are a must-have. Even the Stellabee code showed a little bit of > > slowdown due to the occasional arc , though overall it's a small effect. > > Does anyone else have example code that shows this kind of slowdown? > > > > -Rob > > > ------------------------------------------------------------------------------ > Rapidly troubleshoot problems before they affect your business. Most IT > organizations don't have a clear picture of how application performance > affects their revenue. With AppDynamics, you get 100% visibility into your > Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! > http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
