Shortest rotation distance math

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Shortest rotation distance math

Postby Battwell » Mon Jul 23, 2018 9:48 am

Last steps of my tool changer code to sort.
Been racking my old brain to work out best math to work out shortest distance math with roll over.
Rotary tool rack with 6 tools
Eg tool 2 to tool 6
6-2 =4 steps
But it’s quicker to reverse direction and go 2-1-6 which is only 3 steps.
Uc300eth on router and mill
If they say it can't be done- I find a way!
Battwell
 
Posts: 374
Joined: Sun Sep 25, 2016 7:39 pm
Location: South Wales. Uk

Re: Shortest rotation distance math

Postby spumco » Mon Jul 23, 2018 10:33 am

Some sort of if-then with variables?

Position X + Position Y = #A
Position X - Position Y = #B

If #A > B, then CW, else CCW

No, that won't work with rollover unless you assign a value table to each combination. Like 1 to 2 = 1, 1 to 6 = 1, 1 to 5 = 2, etc.

Hmm. Post when you get it sorted 'cause now I'm curious.
spumco
 
Posts: 212
Joined: Mon Oct 03, 2016 10:10 pm

Re: Shortest rotation distance math

Postby Battwell » Mon Jul 23, 2018 2:41 pm

Me and my son brain stormed it
Working perfect
Il post the code later
Uc300eth on router and mill
If they say it can't be done- I find a way!
Battwell
 
Posts: 374
Joined: Sun Sep 25, 2016 7:39 pm
Location: South Wales. Uk


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