From: glennrp <glennrp@git.imagemagick.org>
Date: Tue, 30 Nov 2010 04:43:13 +0000 (+0000)
Subject: Revised threshold maps c7x7b and c7x7w to be more complementary to each other.
X-Git-Tag: 7.0.1-0~8434
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=46ba0f832881a91d701718a45232ae65c4f687e4;p=imagemagick

Revised threshold maps c7x7b and c7x7w to be more complementary to each other.
---

diff --git a/ChangeLog b/ChangeLog
index 424899390..c0b30ec89 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-11-26  6.6.6-2 Glenn Randers-Pehrson <glennrp@image...>
+  * Revised the "c7x7b" and "c7x7w" ordered-dither maps to be complementary
+    to each other.
+
 2010-11-27  6.6.6-1 Cristy  <quetzlzacatenango@image...>
   * Add support for -evaluate-sequence median.
 
diff --git a/config/thresholds.xml b/config/thresholds.xml
index 2432590d2..2ca2daba2 100644
--- a/config/thresholds.xml
+++ b/config/thresholds.xml
@@ -302,13 +302,13 @@
   <threshold map="c7x7b" alias="c7x7">
     <description>Circles 7x7 (black)</description>
     <levels width="7" height="7" divisor="50">
-        2  7 17 26 15  6  1
-        8 16 33 39 32 13  5
-       18 34 44 48 43 31 14
-       27 40 45 49 47 38 25
-       20 35 41 46 42 30 24
-        9 19 36 37 29 22 12
-        3 10 21 28 23 11  4
+        3  9 18 28 17  8  2
+       10 24 33 39 32 23  7
+       19 34 44 48 43 31 16
+       25 40 45 49 47 38 27
+       20 35 41 46 42 29 15
+       11 21 36 37 28 22  6
+        4 12 13 26 14  5  1
     </levels>
   </threshold>
 
@@ -316,13 +316,13 @@
   <threshold map="c7x7w">
     <description>Circles 7x7 (white)</description>
     <levels width="7" height="7" divisor="50">
-       49 42 32 18 19 33 48
-       41 31 17 10 11 20 34
-       40 30  9  2  3 12 21
-       39 29  8  1  4  5 22
-       43 28 16  7  6 13 23
-       44 38 27 15 14 24 35
-       46 45 37 26 25 36 47
+       47 41 32 22 33 42 48
+       40 26 17 11 18 27 43
+       31 16  6  2  7 19 34
+       25 10  5  1  3 12 23
+       30 15  9  4  8 20 35
+       39 29 14 13 21 28 44
+       46 38 37 24 36 45 49
     </levels>
   </threshold>