🚀 go-pugleaf

In a previous message I wrote:

>I have used this with no problems on TG, base indigo, and VGX graphics.
>On Elan graphics, however, the dithering done in double buffer mode causes
>the second draw (restoration to original color) to produce slightly different
>colors for some background colors, resulting in some very ugly artifacts.

To which Antti Miettinem replied:

>How about using dither(DT_OFF) while drawing xor-lines?

  I am happy to report that this does indeed eliminate the ugly artifacts.  I also
tried calling shademodel(FLAT), since the man page for dither() states that it only
takes place when gouraud shading is in effect.  This did NOT clean up the problem.

- Thanks for the suggestion! 

Raymond C. Maple
WL/MNAA Computational Fluid Dynamics Section
Eglin AFB, FL
maple@peregrine.eglin.af.mil