On Thursday 14 November 2013 10:24:42 Gene Heskett did opine:

> I recall when I had it work 5 or 6 days ago, that I had a dro display
> supered over the upper left corner on the image in the backplot screen,
> but now its missing.
> 
> Where should I look?
> 
> Thanks
> 
> Cheers, Gene

I found this bit of twaddle in Caa3axis.hal

#CamView pins
#for correct DRO we need to SUBB tool.length_offset from pos-relative
loadrt sum2 count=3
addf sum2.0 servo-thread
addf sum2.1 servo-thread
addf sum2.2 servo-thread
setp sum2.0.gain1 -1 
setp sum2.1.gain1 -1 
setp sum2.2.gain1 -1 
#net sum20in0 halui.axis.0.pos-relative => sum2.0.in0
#net sum21in0 halui.axis.1.pos-relative => sum2.1.in0
#net sum22in0 halui.axis.2.pos-relative => sum2.2.in0
net sum20in1 halui.tool.length_offset.x => sum2.0.in1
net sum21in1 halui.tool.length_offset.y => sum2.1.in1
net sum22in1 halui.tool.length_offset.z => sum2.2.in1
#empty net to have DRO happy
net sum20out sum2.0.out
net sum21out sum2.1.out
net sum22out sum2.2.out

I have not such in my-mill-atom-2.hal, but this looks like a good excuse to 
learn how to write a .hal file using names as mine already uses some 
enumerated sum2.s.  Call them dro-X dro-Y dro-Z and dro-A maybe.  I'll putz 
with it after a nap.  That should give you folks time enough to tell me its 
the wrong tree to bark up. :)


Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
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See
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dangerous than 200 million guns in the hands of
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