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Re: Mystery solved?!


  • From: P3D Gregory J. Wageman <gjw@xxxxxxxxxx>
  • Subject: Re: Mystery solved?!
  • Date: Thu, 12 Jun 1997 12:06:40 -0700


Adam inquires:

>As I got to thinking last night, if 'proper' viewing is red on the
>left, then I would think that the image you want to send to the left
>eye (red) is the left image.  Which would indicate that Bob's tutorial
>is a little backwards, and my new anaglyph was properly done.  Am I
>correct?

No.  The red filter passes only red light.  This has the effect of turning
the white background to red, rendering the red channel invisible to the
eye wearing the red filter.  Conversely, since blue contains no red
light, the blue image appears black to the eye wearing the red filter.
Thus the eye wearing the red filter is seeing the blue channel, and
vice versa.

	-Greg W.


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