New subject so as not to pollute the other interesting thread.

On Sat, 16 May 2020 at 07:02, Rod Webster <[email protected]> wrote:

> I'm particularly interested in being able to retrieve the arc radius
> when the current segment is an arc.

You can get this within a few mS of motion type changing to an arc by
calculation.
https://forum.linuxcnc.org/10-advanced-configuration/36062-can-a-component-know-the-diameter-of-an-arc-its-cutting?start=0#127125

(Though having looked that up, I see that it was Rod asking then, too :-)

I can see a good argument for having arc radius appear on a HAL pin, though.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912


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