Re: [Emc-developers] LinuxCNC Participation in Google Summer of Code 2022?

2022-02-05 Thread andy pugh
On Thu, 3 Feb 2022 at 23:23, Steffen Möller wrote: > There may be are a couple of developments in the LinuxCNC source tree > that would benefit from having a trainee work on full-time for a couple > of weeks. ... > * backport something from Machine-Kit I think that Tormach Pathpilot has

Re: [Emc-developers] When is an arc small?

2022-02-05 Thread andy pugh
On Fri, 4 Feb 2022 at 21:27, andy pugh wrote: > (Incidentally, part of the reason that the preview and motion differ > is because motion is in metric and preview is in imperial! At least > with a metric config and metric G-code. I will need to test the 4 > combinations) More digging I

Re: [Emc-developers] When is an arc small?

2022-02-05 Thread andy pugh
On Sat, 5 Feb 2022 at 12:14, Stuart Stevenson wrote: > I haven't calculated how far the midpoint of the arc is from the midpoint > of a straight line from point to point using the values in your example but > I know it would not be much. In this case, 0.4 nm. Or 2.5 aluminium atoms. Replacing

Re: [Emc-developers] When is an arc small?

2022-02-05 Thread Stuart Stevenson
Andy, I haven't calculated how far the midpoint of the arc is from the midpoint of a straight line from point to point using the values in your example but I know it would not be much. I do know APT uses 2500 inches as the cutoff point for radius calculation. I don't know the exact reason for