7/2/2004 SSCC/NIMH 58
Color overlay planes
¥Node colors displayed on surface are obtained by:
H1st: mixing background planes
H2nd:  mixing foreground planes
H3rd: layering mixed foreground atop mixed background plane
åWhen foreground colors overlap background colors, they either mask or get attenuated by the backgroundÕs brightness.
CREATOR: XV Version 3.10a Rev: 12/29/94 (PNG patch 1.2) Quality = 75, Smoothing = 0 CREATOR: XV Version 3.10a Rev: 12/29/94 (PNG patch 1.2) Quality = 75, Smoothing = 0