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Fix moiré on some monitors with a checkerboard pattern
Authored by: pub3abn on Jun 09, '06 09:33:17AM

The checkboard looks absolutely great on my Formac and Apple LCD displays. I had fun playing with it. I noticed that while I drag the Preview picture window around on the Formac, the checkerboard turns slightly greenish in hue, whereas on the Apple it turns kind of reddish. Also, it looks solid from a distance, but viewed up close all kinds of freaky ripple effects zip around (evidently an optical illusion, rather than something intrinsic to the hardware).

In 2001 I created something similar, which you can download from here: calibration-wallpaper-1024.png. It doesn't test the whole screen in the same way, but it tests for more things. The top left corner is the same as what this person posted; the one to the right of it has broken lines (if the horizontal or vertical lines appear NOT broken, something in your monitor's pixel alignment needs to be adjusted); the next is vertical lines; the next row down has a finer dot grid, then horizontal, and finally diagonal lines. The top left, top right, and bottom middle grid should all appear the same shade of gray from a distance. There are also RGB and CMY squares to test color purity.

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Fix moiré on some monitors with a checkerboard pattern
Authored by: DistantThunder on Nov 12, '08 08:13:17PM
The above referenced image is now available here:
http://michaelprewitt.com/2008/11/calibration-wallpaper-916/


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