[Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex

[Tuomas J. Lukka]

CVSROOT:        /cvsroot/gzz
Module name:    gzz
Changes by:     Tuomas J. Lukka <address@hidden>        02/12/01 15:40:34

Modified files:
        Documentation/Manuscripts/Paper: paper.tex 

Log message:
        Twids

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/gzz/Documentation/Manuscripts/Paper/paper.tex.diff?tr1=1.191&tr2=1.192&r1=text&r2=text

Patches:
Index: gzz/Documentation/Manuscripts/Paper/paper.tex
diff -u gzz/Documentation/Manuscripts/Paper/paper.tex:1.191 
gzz/Documentation/Manuscripts/Paper/paper.tex:1.192
--- gzz/Documentation/Manuscripts/Paper/paper.tex:1.191 Sun Dec  1 15:35:45 2002
+++ gzz/Documentation/Manuscripts/Paper/paper.tex       Sun Dec  1 15:40:34 2002
@@ -573,16 +573,17 @@
 and saturation (the chromatic purity), which are nonlinearly
 related to the usual RGB values.
 
-There is one problem in using the hue angles 
-of the CIE $L^*a^*b^*$ \cite{cie86colorimetry} color space ---
-it produces too much blue and too little yellow in 
+Even though the CIE $L^*a^*b^*$ \cite{cie86colorimetry} color space 
+is fairly perceptually uniform, it is not good for selecting
+single, random colors:
+using a uniformly chosen hue angle
+produces too much blue and too little yellow in 
 the range of light colors.
-Therefore, we actually map the angles to hues 
-using a color circle with
-evenly spaced ``primary'' hues.
-To balance the blue bias, we use seven primaries
-with orange added between the usual hues 
-of the six saturated corners of the RGB cube.
+Because of this, we map use a different color circle
+with seven evenly spaced ``primary'' hues (RGB, CMY and orange).
+% To balance the blue bias, we use seven primaries
+% with orange added between the usual hues 
+% of the six saturated corners of the RGB cube.
 
 %In addition to choosing perceptually diverse colors, 
 %there is the the question of how many colors to use.
@@ -1015,6 +1016,7 @@
 
 NONREP: BAD HW ACCEL?
 
+COLORS MOST DIFFICULT
 
 % \section{MPEG Animation}
 % [not to be included in final ms.]