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Python open .NGC

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26 Apr 2018 17:29 #109675 by Donno
Python open .NGC was created by Donno
I am using linuxcnc command to do few commands for an external control panel i am building so far it is easy to use

l = linuxcnc.command()
l.program_open("/cnc/linuxcnc/nc_files/examples/3D_Chips.ngc")

For some unknown reason i cannot open file in python. I have checked permission, set different path, am i doing something wrong ?

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26 Apr 2018 18:55 #109680 by Donno
Replied by Donno on topic Python open .NGC
It seems like the file is opening

l.mode(linuxcnc.MODE_MDI)
l.program_open("/home/cnc/Desktop/donno_external_arduino/3D_Chips.ngc")
os.system("axis-remote --reload ")
l.mode(linuxcnc.MODE_MANUAL)

I can even run the file but there is no g-code displayed, no g-code drawing



The image shows that is is running g-code program

Any way to display it on screen and lines being executed ?
Attachments:

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26 Apr 2018 19:30 #109682 by Todd Zuercher
Replied by Todd Zuercher on topic Python open .NGC
Can't say as I've ever seen it do that before.

That file opens and shows the code and preview properly for me.

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26 Apr 2018 19:35 #109683 by Donno
Replied by Donno on topic Python open .NGC
If I press o [Shortcut Key] it opens correctly but if open it through Python program_open() then it does that ! I have even os.system("axis-remote --reload ") but still the same. I edit file and program_open it and run g-code still same but new file executes must be a BUG :)

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26 Apr 2018 20:14 #109686 by Todd Zuercher
Replied by Todd Zuercher on topic Python open .NGC
Oops, I didn't really read your question good enough. And I don't know enough about programming to answer it myself, but it looks like your question might be answered here.
forum.linuxcnc.org/21-axis/33504-load-gcode-file-from-python

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26 Apr 2018 20:21 #109688 by Donno
Replied by Donno on topic Python open .NGC
I have read that Forum if you look at my code i do use the os.system("axis-remote --reload ")

I used that to fix a problem i was having when i G10 L20 P1 X0Y0Z0 and the display did not update the File after using :

os.system("axis-remote --reload ")

It was fixed but when program_open() there is no effect.

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26 Apr 2018 20:44 #109690 by Todd Zuercher
Replied by Todd Zuercher on topic Python open .NGC
I think you need to use "axis-remote" to load your file, instead of "program_open".

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27 Apr 2018 14:33 #109713 by Donno
Replied by Donno on topic Python open .NGC
Do have an example please ?

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27 Apr 2018 14:53 #109716 by Todd Zuercher
Replied by Todd Zuercher on topic Python open .NGC
I can't say exactly how you would use it in python, but from the command line, the command is just "axis-remote filename". For example to open the 3D-Chips.ngc file on my test machine, the command is.
axis-remote ~/linuxcnc/nc_files/examples/3D_Chips.ngc

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13 May 2023 17:26 #271299 by Donno
Replied by Donno on topic Python open .NGC
instead of using
c.program_open("foo.ngc")
use
os.system ("axis-remote foo.ngc")

 
The following user(s) said Thank You: Todd Zuercher

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