Changeset 2011Tweet

Timestamp:

Nov 17, 2007, 4:02:54 PM (13 years ago)

Author:

Sam Hocevar

Message:

• Slightly reworked the 4×4 Bayer matrix so that it respects the recurrence relation.
• Added a (yet unused) 8×8 Bayer matrix to study.py.

Location:

www/study

Files:

• fig2-3-2.png (modified) (previous)
• fig2-3-2.svg (modified) (9 diffs)
• grad2-3-1.png (modified) (previous)
• grad4-0-1.png (modified) (previous)
• out2-3-1.png (modified) (previous)
• out4-0-1.png (modified) (previous)
• pat5-2-1.png (modified) (previous)
• study.py (modified) (1 diff)

www/study/fig2-3-2.svg

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www/study/study.py

@@ -180 +180 @@
 # Output 2.3.3: 5x3 line dithering
 DITHER_BAYER44 = \
-    [[  0,  8,  3, 11],
-     [ 15,  4, 12,  7],
-     [  2, 10,  1,  9],
-     [ 13,  6, 14,  5]]
+    [[  0, 12,  3, 15],
+     [  8,  4, 11,  7],
+     [  2, 14,  1, 13],
+     [ 10,  6,  9,  5]]
+DITHER_BAYER88 = \
+    [[  0, 48, 12, 60,  3, 51, 15, 63],
+     [ 32, 16, 44, 28, 35, 19, 47, 31],
+     [  8, 56,  4, 52, 11, 59,  7, 55],
+     [ 40, 24, 36, 20, 43, 27, 39, 23],
+     [  2, 50, 14, 62,  1, 49, 13, 61],
+     [ 34, 18, 46, 30, 33, 17, 45, 29],
+     [ 10, 58,  6, 54,  9, 57,  5, 53],
+     [ 42, 26, 38, 22, 41, 25, 37, 21]]
 DITHER_CLUSTER44 = \
     [[ 12,  5,  6, 13],