Pretty cool.
John

> -----Original Message-----
> From: andy pugh [mailto:bodge...@gmail.com]
> Sent: February-07-20 1:59 AM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Probing a Profile
> 
> On Wed, 5 Feb 2020 at 23:52, andy pugh <bodge...@gmail.com> wrote:
> 
> > And here is the G-code routine I used.
> 
> Which is usable, but slightly flawed, in that if the probe _just_
> catches a corner, the retract distance means that the "i missed"
> circle can miss the work.
> So a slight re-think needed there.
> 
> I made a video of the process, showing how at one corner I needed to
> poke the probe by hand to get it to find the work.
> https://www.youtube.com/watch?v=JO8lLaV6pbw
> 
> I have also just realised that there is a fairly easy way to auto stop
> using the well-known concept of "winding number" which #1 is
> accidentally calculating
> https://en.wikipedia.org/wiki/Point_in_polygon#Winding_number_algorith
> m
> 
> Rather than O100 WHILE [#<_flood> EQ 0] (use the flood button to stop
> and save data)
> 
> I could use O100 WHILE [#1 < 361]
> 
> --
> 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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