Well, as a first step, I've managed to to get the original #Fortran code from Wikipedia running.
https://en.wikipedia.org/wiki/Shallow_water_equations
I downloaded it a long time ago from the author's website, which I can't find again now. If you're curious, I can send you a copy:
(Plotted with #Octave and #ffmpeg)
Now I just have to translate it to #SQL, haha!
@JordiGH in ...w aht
@JordiGH Interesting question but I bet the answer is going to be no. I think it actually hurts your case that the images in question are claimed to be released as public domain rather than under GFDL, because that eliminates any licensing consequences for related works.
@11011110 I noticed it was PD later. You're probably right. :-(
Well, looks like now I have a #Wikipedia sidequest:
https://commons.wikimedia.org/wiki/Commons:Village_pump/Copyright#Can_I_upload_the_source_code_of_an_image?