I've only just started trying to learn a little about realtime motion control 
so I don't have a good answer re: units. While a complete Star Trek-like plant 
console might be really cool, I suspect the investment would be hard to justify 
for a largely lights out application.  

I don't need the resolution LinuxCNC provides, +/- 1/8 inch is probably totally 
adequate, but controlling a tool position in a finite 3D space seemed similar 
enough to a CNC router type application that LinuxCNC seemed like a good place 
to start learning about the options. 

Rick

> On Aug 22, 2017, at 1:05 PM, andy pugh <bodge...@gmail.com> wrote:
> 
>> On 22 August 2017 at 18:01, Rick Gresham <rickgres...@comcast.net> wrote:
>> I'm exploring options for a 3 axis controller similar in some ways to 
>> typical cnc router-like application.  What may make my application unique is 
>> the size of the 3D space in which the tool operates: up to about 150' x 150' 
>> x 50'.  In addition, I need to control tool changes and calculate/control 
>> fluid flow rates based on calculations applied to retrieved persistent data.
> 
> There are no deliberate limits on the size of workspace of LinuxCNC,
> so it ought to work.
> What units would you want to display on the GUI?
> 
> -- 
> 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, 1916
> 
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