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ForumCSMIO/IP controllers and Software - discussion forum: CSMIO/IP with simCNC softwareCheckbox to switch the display be …

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Checkbox to switch the display between machine and program coordinates

#1 · 4 April 2026, 22:58

Hello,

This concerns the checkbox for switching the axis position display between machine coordinates (G53 / reference position) and workpiece coordinates (G54 or the currently active workpiece zero point/program position).

The switching itself works, but only after SimCNC has fully started and I have manually activated the checkbox once.

My problem: After every SimCNC start, the workpiece/program coordinates are displayed first, and I have to activate the checkbox each time to see the machine coordinates.

I have already tested the following:

Checkbox input: Reference position displayed
Checkbox input: Program position displayed
Checkbox output status changed: Position set to reference position
Checkbox output status changed: Position set to program position
Various default states of the checkbox on the screen
Setting the checkbox state via script when the screen loads

However, none of these solutions result in SimCNC starting directly with visible machine coordinates.

My question: Is there an official way in SimCNC to automatically switch the position display to machine coordinates (G53)?

Or is this display mode always initialized internally by SimCNC and can only be changed manually after startup, either by clicking or through a later event?

Any help would be greatly appreciated.

#2 · 5 April 2026, 09:58

Hello,

i have made a workaroung for a simular "problem".

i used a python action with event Csmio connected and run a script.

had to make a 5second sleep in the script to make sure screen has loaded properly.

Regards Tom

#3 · 5 April 2026, 12:03

Hmm, this isn't directly related, but it doesn't work that way. This checkbox is managed by simcnc itself; I can't simply "manipulate" it with a Python script. At least, I haven't been able to so far. I'd like the machine coordinates to always be displayed. Only when I start a milling program should the checkbox switch to displaying program coordinates.