At what DPI should http://docs.opencv.org/3.1.0/pattern.png be printed?
**Alternatively:** Does the size of the printout not matter? I've read the relevant OpenCV pages with the tutorials but, amazingly, this is still not clear to me. Someone here must know the answer...
(Also, I notice that it has a note that it is "9x6". What about it is 9x6? *Nothing*, as far as I can tell...)
Thanks.
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