plot3dcl(3plplot) on Linux
The text 9d58ebc2c9c9, as Debian 10 (Buster) shipped it.
Magnitude colored plot surface with contour for z[x][y] with y index limits
The text 9d58ebc2c9c9, as Debian 10 (Buster) shipped it.
Magnitude colored plot surface with contour for z[x][y] with y index limits