It's interesting because this file does not cause the backplot issue by default for me:
However, I found the line of code that is responsible for what the max number of points that is allowed is. I changed it from the default of 10000 to 1000 and this is the result:
I wish I had a longer g-code file to see where this affects me, vs where this affects you. I don't understand why it would be different, save for some computer graphics/memory differences.
What I am getting at is I wonder if I change this number to make it 10x bigger (100000), or even 100x bigger, will you experience the same backplotter limitations?
I am unsure if you have a RIP or package install, but here is the line of code:
github.com/LinuxCNC/linuxcnc/blob/131761...s/emcmodule.cc#L1981
For what it's worth, below is a commit from June 16, 2009 that changed it from 100000 to 10000. There is no explanation as to why it was changed in the commit details. In fact this is the last time this particular line of code was touched.
I would be happy to push a change to make this bigger, but if no fruitful discussion comes about here, I would want to ping the dev email list to see if anyone is aware of any potential ill effects for other users (but of course, the development branch is for development and testing, after all).
