From b76eda0cfd35a9abe2995fb126193a02e2829959 Mon Sep 17 00:00:00 2001 From: anthony Date: Sun, 7 Nov 2010 01:58:06 +0000 Subject: [PATCH] More sensical naming of circle halftone patterns --- config/thresholds.xml | 194 +++++++++++++++++++++--------------------- 1 file changed, 99 insertions(+), 95 deletions(-) diff --git a/config/thresholds.xml b/config/thresholds.xml index c4c68bd1a..5852704bd 100644 --- a/config/thresholds.xml +++ b/config/thresholds.xml @@ -102,99 +102,6 @@ - - - Ordered 5x5 (black circles) - - 1 21 16 15 4 - 5 17 20 19 14 - 6 21 25 24 12 - 7 18 22 23 11 - 2 8 9 10 3 - - - - - - - Ordered 5x5 (white circles) - - 25 21 10 11 22 - 20 9 6 7 12 - 19 5 1 2 13 - 18 8 4 3 14 - 24 17 16 15 23 - - - - - - Ordered 6x6 (black circles) - - 1 5 14 13 12 4 - 6 22 28 27 21 11 - 15 29 35 34 26 20 - 16 30 36 33 25 19 - 7 23 31 32 24 10 - 2 8 17 18 9 3 - - - - - - Ordered 6x6 (white circles) - - 36 32 23 24 25 33 - 31 15 9 10 16 26 - 22 8 2 3 11 17 - 21 7 1 4 12 18 - 30 14 6 5 13 27 - 35 29 20 19 28 34 - - - - - - Ordered 7x7 (black circles) - - 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 - - - - - - - Ordered 7x7 (white circles) - - 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 - - - - Ordered 8x8 (dispersed) @@ -214,8 +121,11 @@ Halftones - Angled 45 degrees Initially added to ImageMagick by Glenn Randers-Pehrson, IM v6.2.8-6, - modified to be more halftone-like by Anthony, IM v6.2.9-7 Larger halftone - patterns still needed to be added. + modified to be more symmetrical with intensity by Anthony, IM v6.2.9-7 + + These patterns initially start as circles, but then form diamonds + pattern at the 50% threshold level, before forming negated circles, + as it approached the other threshold extereme. --> Halftone 4x4 (angled) @@ -259,6 +169,10 @@ Initially added by Anthony Thyssen, IM v6.2.9-5 using techniques from "Dithering & Halftoning" by Gernot Haffmann http://www.fho-emden.de/~hoffmann/hilb010101.pdf + + These patterns initially start as circles, but then form square + pattern at the 50% threshold level, before forming negated circles, + as it approached the other threshold extereme. --> Halftone 4x4 (orthogonal) @@ -323,6 +237,96 @@ + + + + Circles 5x5 (black) + + 1 21 16 15 4 + 5 17 20 19 14 + 6 21 25 24 12 + 7 18 22 23 11 + 2 8 9 10 3 + + + + + + Circles 5x5 (white) + + 25 21 10 11 22 + 20 9 6 7 12 + 19 5 1 2 13 + 18 8 4 3 14 + 24 17 16 15 23 + + + + + Circles 6x6 (black) + + 1 5 14 13 12 4 + 6 22 28 27 21 11 + 15 29 35 34 26 20 + 16 30 36 33 25 19 + 7 23 31 32 24 10 + 2 8 17 18 9 3 + + + + + Circles 6x6 (white) + + 36 32 23 24 25 33 + 31 15 9 10 16 26 + 22 8 2 3 11 17 + 21 7 1 4 12 18 + 30 14 6 5 13 27 + 35 29 20 19 28 34 + + + + + Circles 7x7 (black) + + 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 + + + + + + Circles 7x7 (white) + + 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 + + + + -- 2.40.0