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OK, slightly off-topic question, but...
...where the hell can you get red/green glasses from? Any ideas folks?
Also, once you've got them, you'd need POV-Ray to render two images, one
for each eye. Now, do you use two cameras translated left and right a
bit? Or do you rotate them each a bit to point towards each other? If
so, how much?
...and finally, IrfanView doesn't appear to be able to mix two images
together. There's probably some trick with half-silvered mirrors that
will make POV-Ray render red and green halves simultaneously, but does
anyone know any other way to mix two images together?
Andrew @ home.
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>> ...where the hell can you get red/green glasses from? Any ideas folks?
>
>
> The Discovery Store had some they were giving away free, to view the
> Mars lander pictures.
Right... I'll check it out.
>> anyone know any other way to mix two images together?
>
>
> Paint Shop Pro? :-)
Many times I've heard of this dealy... but I've never met anyone who
actually owns it. Tell me, does it truely exist? I bet it's not cheap...
Andrew @ home.
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(unlike later versions) is that it loads almost instantly on my computer, so
its just as good for viewing files as editing them. If only it had
photoshop's superb "Levels" control, rather than brightness/contrast and
gamma...
-Chris
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On Sun, 16 May 2004 18:07:33 +0100, Andrew C on Mozilla
<voi### [at] dev null> wrote:
>
>...and finally, IrfanView doesn't appear to be able to mix two images
>together. There's probably some trick with half-silvered mirrors that
>will make POV-Ray render red and green halves simultaneously, but does
>anyone know any other way to mix two images together?
>
Render the two images as usual. Then make a
second .pov script to combine the images.
Use an orthographic camera. Use an average
pigment of two image maps and set ambient to 2 to
compensate for the dimming you'll get.
It would be best to make this render the same
height and width as the input images and use no AA.
You *might* need to tweak the assumed_gamma setting.
while it is intended to be a 3d rendering
package, povray makes a dandy 2d image processor!
--
to all the companies who wait until a large user base becomes
dependant on their freeware, then shafting said happy campers with
mandatory payment for continued usage. I spit on your grave.
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> Also, once you've got them, you'd need POV-Ray to render two images, one
> for each eye. Now, do you use two cameras translated left and right a
> bit? Or do you rotate them each a bit to point towards each other? If
> so, how much?
I would use translated and sheared cameras. Never done that with povray,
so just the theory: When you face the center of your monitor, your left
eye does not face the center, but a point somewhat left of the monitor's
center. So, the center of projection (camera location) is a bit left in
the scene. Additionally, the center of the image is NOT the point where
the rays are perpendicular to the image plane. You have to compensate
for that. Rotation would do no good, although it might approximate the
real thing to some extend.
> ...and finally, IrfanView doesn't appear to be able to mix two images
> together. There's probably some trick with half-silvered mirrors that
> will make POV-Ray render red and green halves simultaneously, but does
> anyone know any other way to mix two images together?
Produce ppm output and then:
ppmtopgm left.ppm > left.pgm
ppmtopgm right.ppm > right.pgm
pamfunc -max=0 right.pgm | rgb3toppm left.ppm right.ppm - > stereo.ppm
Or, if left.ppm and right.ppm are already red and green:
pamarith -add left.ppm right.ppm > stereo.ppm
These commands are part of netpbm.
--
merge{#local i=-11;#while(i<11)#local
i=i+.1;sphere{<i*(i*i*(.05-i*i*(4e-7*i*i+3e-4))-3)10*sin(i)30>.5}#end
pigment{rgbt 1}interior{media{emission x}}hollow}// Mark Weyer
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> while it is intended to be a 3d rendering
> package, povray makes a dandy 2d image processor!
Don't ever doubt it... scream and shout it... (etc)
But seriously - no arguments from me!
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Hi
maybe this could help: http://www.schrammel.org/
look for 'Anaglyph 3D Pictures'
There's some Pov-code for calculating camera positions for the left and
right camera.
And a small tool (M$-Win and Linux) to combine the two pictures into a
stereo anaglyph.
bye
Andrew C on Mozilla wrote:
> OK, slightly off-topic question, but...
>
> ...where the hell can you get red/green glasses from? Any ideas folks?
>
> Also, once you've got them, you'd need POV-Ray to render two images, one
> for each eye. Now, do you use two cameras translated left and right a
> bit? Or do you rotate them each a bit to point towards each other? If
> so, how much?
>
> ...and finally, IrfanView doesn't appear to be able to mix two images
> together. There's probably some trick with half-silvered mirrors that
> will make POV-Ray render red and green halves simultaneously, but does
> anyone know any other way to mix two images together?
>
> Andrew @ home.
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Andrew C on Mozilla wrote:
> Also, once you've got them, you'd need POV-Ray to render two images, one
> for each eye. Now, do you use two cameras translated left and right a
> bit? Or do you rotate them each a bit to point towards each other? If
> so, how much?
>
http://www.cip.physik.uni-muenchen.de/~wwieser/render/stereo/
(Not complete yet, however.)
Wolfgang
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>>Also, once you've got them, you'd need POV-Ray to render two images, one
>>for each eye. Now, do you use two cameras translated left and right a
>>bit? Or do you rotate them each a bit to point towards each other? If
>>so, how much?
>>
>
> http://www.cip.physik.uni-muenchen.de/~wwieser/render/stereo/
>
> (Not complete yet, however.)
Thanks for that.
Andrew @ home.
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> maybe this could help: http://www.schrammel.org/
> look for 'Anaglyph 3D Pictures'
>
> There's some Pov-code for calculating camera positions for the left and
> right camera.
> And a small tool (M$-Win and Linux) to combine the two pictures into a
> stereo anaglyph.
Thanks for that.
Andrew @ home.
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