Alain napsal(a):
> Jan Dvorak nous apporta ses lumieres en ce 2008/01/02 04:01:
>> alphaQuad napsal(a):
>>> Crossing Zero Parallax
>>> Or fruit of the labor
>>>
>>> 6.5 hour frame:
>>> I'll need about 8 CPUs on this production.
>>>
>>> Vicky's translate pnt is 2 units in front of zero parallax.
>>> Furthest object > 5 million units. With 30/1 dist/eyesep gives this 
>>> 30-pixel
>>> shift. Seemly a maximum shift or you start seeing double if too close.
>>> Back about 4 feet and some R/B shades to appreciate this one.
>>>
>>> Credits:
>>> The list of those making this possible, intentionally and otherwise, 
>>> is getting
>>> a bit long. Gave up a long time ago thinking I might get this far on 
>>> my budget.
>>>
>>> My thanks,
>>> aQ
>>>
>>> love me hate me burry me ineffective
>>> I'd use that but I kinda stole it but twisted it.
>>> Oh well too late.
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>> I find it rather strange to have the planet in the sky level while the 
>> galaxy is much further.
> Opticaly, they are both at "infinity". Any parallax difference between 
> the two is absolutely negligible, like less than 0.000001 pixel whide, 
> or less than 0.0001 arc second angle. Madeup value that are probably 
> much larger than the real ones.
> 
a stereo sparation of 30 pixels at a distance of 2 meters (the screen 
distance) equals to a parallax of 0.03 pixel at a distance of 2 
kilometers which is the altitude of the lowest clouds. Interstellar 
parallax is 10 orders of magnitude smaller.

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