Changeset 1969 for www


Ignore:
Timestamp:
Nov 16, 2007, 2:34:18 AM (13 years ago)
Author:
Sam Hocevar
Message:

=?utf-8?q?=20=20*=20Updated=20Stevenson-Arce=20figure=20to=20make=20it=20clear=20that=20it=20is=20a=20hexagonal

=20=20=20=20=20matrix.=20But=20don=E2=80=99t=20include=20it=20in=20the=20document.?=
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Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit

Location:
www/study
Files:
5 edited

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  • www/study/fig3-2-9.svg

    r1940 r1969  
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  • www/study/study.py

    r1968 r1969  
    332332test3xx(gradient256bw, mat, False, "grad3-2-8.png")
    333333
    334 mat = [[      0.,      0.,      0.,      -1,      0.,  32./200,      0.],
    335        [ 12./200,      0., 26./200,      0., 30./200,       0., 16./200],
    336        [      0., 12./200,      0., 26./200,      0.,  12./200,      0.],
    337        [  5./200,      0., 12./200,      0., 12./200,       0.,  5./200]]
    338 test3xx(lenna256bw, mat, False, "out3-2-9.png")
    339 test3xx(gradient256bw, mat, False, "grad3-2-9.png")
     334# This is Stevenson-Arce in hex lattice
     335#mat = [[      0.,      0.,      0.,      -1,      0.,  32./200,      0.],
     336#       [ 12./200,      0., 26./200,      0., 30./200,       0., 16./200],
     337#       [      0., 12./200,      0., 26./200,      0.,  12./200,      0.],
     338#       [  5./200,      0., 12./200,      0., 12./200,       0.,  5./200]]
     339#test3xx(lenna256bw, mat, False, "out3-2-9.png")
     340#test3xx(gradient256bw, mat, False, "grad3-2-9.png")
     341
     342# This is an attempt at implementing Stevenson-Arce in square lattice
     343#mat = [[      0.,      0.,      -1, 32./200,      0.],
     344#       [  6./200, 19./200, 28./200, 23./200,  8./200],
     345#       [      0., 12./200, 26./200, 12./200,      0.],
     346#       [  2./200,  9./200, 12./200,  9./200,  2./200]]
     347#test3xx(lenna256bw, mat, False, "out3-2-9.png")
     348#test3xx(gradient256bw, mat, False, "grad3-2-9.png")
    340349
    341350# Output 4.0.1: 4x4 Bayer dithering, 3 colours
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