[![That's how I want it to be.](https://i.stack.imgur.com/bjNAF.jpg)](https://i.stack.imgur.com/bjNAF.jpg)

Pgfplots? Metapost? Tikz?

As I can't make it right now with any of them, I have to choose one of them to study. Which of them? Which has shortest code? Which has best image quality?

I don't mind if you write the code itself for me. :-)