P3D No more two-color nonsense

[Tom Deering <tmd@xxxxxxxxxxx>]

As part of his "two colors equals the whole spectrum" crusade, William
Carter offers the following web page:

http://www.simplecom.net/widefilm/oldcolor/technicolor1.html

Please DO see this site, since it nicely disproves Carter's theory.  Simply
compare the "before" and "after" images.  Page after page of blue/red
duotones, showing subjects purposely limited to reds and blues, with no
full color images anywhere.

Compare the table of fruit in the first picture.  The yellow, orange and
fucia tones are all replaced with shades of pink.  It's such a good example
of the problem with duotones, I added the before and after images to my
page: http://www.deering.org/doomed.html

Not only do the images support my point, the text repeatedly notes the
tonal problems associated with duotones.  Audiences of the time also saw
the difference.  After several years of duotones, the first true color
feature, ("Becky Sharp", 1934), shocked audiences with it's tonal range.
The author notes:

>>"You must recall that this was the first time that the masses had seen
>>the full
>>color spectrum on the screen."

The earlier 1932 "Mystery of the Wax Museum," touted as "the best
Technicolor two-color film" is distinctly limited in color, showing nothing
but red and green.  If this is the best one, I'd say the issue is dead.

How can we have a chance to make decent anaglyphs if we misunderstand such
simple physics so badly? As proof, note the recent instructions on making
anaglyphs in Photoshop, which are flatly wrong, based on a misunderstanding
of these principles.

Anaglyph dogma cannot change the fact that no two colors combine to make
the full spectrum.

Tom



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