g10 l20 p1 x y z and g10 l20 p2 x y z interaction ?

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24 Jul 2022 00:04 - 24 Jul 2022 00:11 #248148 by dansawyer
The project to to mill patterns in 4 corners on a part. My display shows G54, TLO, DTG, and G92. I have used G92 to set the offset to the part origin, this is working. I then moved to the start of corner 1 on the part and set G54.
g10 l20 p1 x0 y0                   This all worked.
I then moved to the start of the first pattern and executed:
g10 l20 p2 x0 y0                        The expectation was this would create a second offset, however this did not work. It is not obvious anything happened.
Am I thinking about this all wrong? Is there a way to create sub, local offset based on G54?
Help shows the Linuxcnc version to be: Axis 2.8.0. Does this version not support G55, G56, etc?
Last edit: 24 Jul 2022 00:11 by dansawyer. Reason: I hit tab and the message posted - I was not done with the message

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25 Jul 2022 12:00 #248246 by andypugh
You have loaded an offset into G55, bit you have not switched to using that offset.
If you were to execute a G55 command you would see the numbers change.

You might well want to reset G92 before doing either.

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