P3D R: P3D Re: R: P3D Re: Anaglyph colors

["Piero Paravidino" <pieroprv@xxxxxx>]

Hi Tom

>> The point is that I use RGB channels splitting / combining method with
Paint
>> Shop Pro or some other program: this doesn't let you choose which
colours;
>> it uses "pure" red for one view and "pure" blue+green for the other. I've
>> tried also with 3D Stereo Image Factory, and it's the same.
>> Is there another method to combine the two views choosing the colours to
>> use?


>I suspect that green is the problem. Why not pure red and pure blue and
>no green? Does that leave the red too dark?


Yes, if I leave out the green channel (or eliminate it with a
color-selective gamma adjusting), the "ghosting" disappear, but the anaglyph
turns out in magenta scale instead of grey scale, and in effect is quite
dark.

>
>The scientific approach is to determine the spectrum of each of the
>screen or printer colors. The right and left spectra must not overlap
>with any significant intensity. Then look at the pass band for filters
>and select filters for viewing lenses that reject one spectrum while
>passing the other. The monitor and printer are not easily done without
>an optical laboratory. So you may just have to try lots of monitors,
>printers and viewing glasses until you get lucky and find a combination
>that is satisfactory.
>


It sounds quite a job! :)

Piero Paravidino
pieroprv@xxxxxx



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