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ALS cross-eye stereo testing
Posted: 16 July 2012 01:56 PM   [ Ignore ]
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For those that don’t have the red/cyan glasses or have impaired colour perception, here the ALS has been converted to display two images side by side.  Left image is displayed on the right and right on the left.  To perceive as a 3D image you need to focus your eyes somewhere between your nose and the screen until the two images converge to form a third image in the middle.  I find this going cross-eyed very uncomfortable (even if sitting a long way from the screen) and much prefer the colour separation method.  However, since someone asked if it was possible, I thought I’d make it possible.  Here we are, once again in one render with no postwork.  All the work being done by lenses and mirrors bolted (parented) onto the front of the perspective camera.  Again, this is experimental, so feedback is welcome.

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Posted: 16 July 2012 02:28 PM   [ Ignore ]   [ # 1 ]
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Another test.

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Posted: 16 July 2012 02:41 PM   [ Ignore ]   [ # 2 ]
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And,

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Posted: 16 July 2012 02:43 PM   [ Ignore ]   [ # 3 ]
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I remember having published some photographs working this way. I have to recover that because there is a ratio of size and distance (must be on an old web project, most probably have a backup). I was rather good in bringing them together. These are too large for me, I can’t manage.

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Posted: 16 July 2012 02:46 PM   [ Ignore ]   [ # 4 ]
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Horo - 16 July 2012 02:43 PM

I remember having published some photographs working this way. I have to recover that because there is a ratio of size and distance (must be on an old web project, most probably have a backup). I was rather good in bringing them together. These are too large for me, I can’t manage.

I struggle too… have to sit a long way back and then wag my finger in front of the monitor near the end of my nose.

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Posted: 16 July 2012 02:49 PM   [ Ignore ]   [ # 5 ]
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These are all fantastic , David. The spark plugs look great and very anti-gravity. The head of the dragon protrudes nicely. The sphere with the bubble iridescent texture looks fantastic. The effect is very nice in each of them.

I find that the images dont do so well on this white background. I find it easier to perceive them when I press the View Image and see it on a grey background.

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Posted: 16 July 2012 02:54 PM   [ Ignore ]   [ # 6 ]
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Thanks indeed for the feedback Rashad!  They don’t really work for me and it seems Horo also struggles, I manufactured these on the basis of the theory.  Possibly our age is against us?  Thanks also for the tip on the backdrop.

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Posted: 16 July 2012 03:26 PM   [ Ignore ]   [ # 7 ]
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I find it very easy on my 7” android screen
bigger is harder as I know from experience, watching a video even more straining, hence the nVidia 3D vision glasses in the mail I hope (paid for)
just hope I can put images made by me and maybe yours for personal use, into that format, have stvmkr that does it for video.

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Posted: 16 July 2012 03:49 PM   [ Ignore ]   [ # 8 ]
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Thank you Wendy.  Oh yes, should be able to animate with this also… not that I am wonder at animation… but I will try to conceive of a test.  It will not be this scene though…

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Posted: 16 July 2012 03:58 PM   [ Ignore ]   [ # 9 ]
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Super fantastic, David. How were your render times for the splash? I remember the original years ago took ages upon ages, wonder how it compares now with Bryce 7 and a much more powerful system?

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Posted: 16 July 2012 04:25 PM   [ Ignore ]   [ # 10 ]
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Just made my eyes go funny trying to make these work, but then I do have a lazy eye, which could account for it.

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Posted: 17 July 2012 03:50 AM   [ Ignore ]   [ # 11 ]
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Sparkplugs, glass ball one and the drop very easy to view, however, the dragon one is very hard to adjust to, but when it ‘comes in’, the 3D effect is great (‘coming out’ is a killer on the eyes, though). With this cross-eyed technique, one can also block out the side images, too; simply by putting a hand on either side of the central 3D view (hands not actually on the screen, but midway between eye and screen).


The best thing about the cross-eyed (and parallel-eye technique) is that the natural colours are preserved, as opposed to the red/cyan views where some are lost.


Jay

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Posted: 17 July 2012 04:57 AM   [ Ignore ]   [ # 12 ]
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I’ve tried with parallel viewing, that’s why I thought the pictures are too large. Parallel viewing comes very easy to me but images must not be more than 2.5 to 3 inches (6 to 7 cm) apart (inter-eye distance). I couldn’t get the sparks and the dragon in cross-eye view, but the other two came in quite nicely. Cross-eye viewing allows for larger pictures, the perceived 3D picture between the screen and the eyes is very small, though incredibly sharp. Parallel viewing has the objects behind the screen plane.

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Posted: 17 July 2012 05:31 AM   [ Ignore ]   [ # 13 ]
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I’ve always found looking at this type of 3D image to be really easy… but one of my party pieces is that I can make my eyes go cross eyed one at a time or putting one into the cross eyed position while the other one rolls around in it’s socket. smile

But coming from you David, I’d love to see one of your volumetric cloudscapes dramatically displayed in this way. smile

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Posted: 17 July 2012 09:21 AM   [ Ignore ]   [ # 14 ]
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Thank you, well yes the original splash image rendered on my old old computer did take a while (500 hours) on this scale, with my i7 less than half an hour.  Oh here are some clouds…

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Posted: 17 July 2012 09:36 AM   [ Ignore ]   [ # 15 ]
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Might send you cross-eyed or mildly insane viewing this.

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