Axes in gnuplot,

Question

*nix-like systems

I can't figure out what words to use to search for the control of one option in the gnuplot. The first plot shows additional z-axes along the edges of the field. What are their names? How to turn them off? I dug up the entire manual and looked at all similar words, but could not find

Answer 1

Try to pull the scripts one by one from here:
gnuplot.sourceforge.net/demo/pm3d.html
and compare.

Answer 2

You need the border command