Demos of palette-mapped 3d terminal: Pm3d(4)

Curved line in three dimensions can be drawn by explicitly declaring "set parametric" in splot mode. And here again "pm3d" gifts color map to the line. You can see the scripts by clicking the images. Back to Part(1), Part(2), Part(3)

Molecular Structure of H20 The idea for adding phong (or shading) to solid surfaces was taken from impossible gnuplot graphs , and Dr. Yonezawa's web site (in Japanese).

Molecular Structure of vitamin-C. Colors of two Hydrogen at rightside are changed to blue and green to demonstrate that five colors ara available.

Paraboric motion of ball.