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I just got done watching the new Star Wars movie in 3D. I kept the
glasses. How do I make images like that in POV-Ray?
Mike
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Mike Horvath <mik### [at] gmail com> wrote:
> I just got done watching the new Star Wars movie in 3D. I kept the
> glasses. How do I make images like that in POV-Ray?
>
>
> Mike
It seems, tonight I've all the answers...
I use StereoPhotoMaker (free) to get *.jps files out of two left/right images (
http://stereo.jpn.org/eng/stphmkr/index.html ).
My LG TV-set understands this formate. The original images have to be squeezed
first (look at binaries.images for an example).
Norbert
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Am 08.01.2016 um 01:01 schrieb Mike Horvath:
> I just got done watching the new Star Wars movie in 3D. I kept the
> glasses. How do I make images like that in POV-Ray?
Unless you have a display specifically designed for 3D -- in which case
some 3D glasses should have come with it -- the glasses they give you at
movie theaters are of no use to you. So either way you could just as
well have been a good boy and returned them. (Even if your display is
designed for 3D, the glasses might be incompatible with the system used.)
The only glasses that work with traditional displays are those good old
red-green or red-cyan glasses; if they gave you a set of /those/ at the
theater you should have demanded to get your money back.
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Le 16-01-07 19:01, Mike Horvath a écrit :
> I just got done watching the new Star Wars movie in 3D. I kept the
> glasses. How do I make images like that in POV-Ray?
>
>
> Mike
The 3D glasses used for colour movies normaly use polarised glasses,
vertical polarisation on one side, horizontal for the other.
The projectors also have coresponding polaroid filters.
I tried this trick: Hold the 3D glasses upside down. The resuld is
inverted perspective.
Holding the glasses and pivoting them 90° and you can see the shift from
one image to the other very clearly.
Take two, hold them in such a way that you look through the left glass
from une and the right glass of the other, you'll only see black.
The only 3D glasses that you can use at home and in a cinema, are the
red-cyan ones used for black and white 3D movies.
3D TV and monitors use alternating right-left images and you need
special switching glasses to get the 3D effect. Special care must be
given to the synchronisation between the screen and the glasses, usualy
provided through a bluetoot signal.
Alain
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>> I just got done watching the new Star Wars movie in 3D. I kept the
>> glasses. How do I make images like that in POV-Ray?
>>
>>
>> Mike
>
> The 3D glasses used for colour movies normaly use polarised glasses,
> vertical polarisation on one side, horizontal for the other.
They can also use circularly polarised light (opposite handed-ness of
polarisation for each eye) as this doesn't require you to keep the
glasses horizontal.
Every LCD I've come across has linear polarised light coming out of it,
so if you can rotate your glasses in front of an LCD to make the image
go completely black then they're linear glasses, if not they're circular.
If you've got a TV/monitor that works with passive glasses then give it
a shot, you might get lucky. Often the TV will have a setting to
override the 3D image format (side-by-side, interlaced etc) - you just
need to match you POV images to the format the TV is expected,
side-by-side is probably easiest to create.
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On 1/8/2016 8:53 AM, scott wrote:
> If you've got a TV/monitor that works with passive glasses then give it
> a shot, you might get lucky. Often the TV will have a setting to
> override the 3D image format (side-by-side, interlaced etc) - you just
> need to match you POV images to the format the TV is expected,
> side-by-side is probably easiest to create.
Yes, you need a TV/monitor that is 3D Ready. If it is a monitor you need
a GPU and drivers. You will also need a transmitter to sync the glasses.
Reminds me of the opera glasses that turned up at jumble sales for
years. Long after theatres stopped putting them in the dress circle.
Where you could rent them for about sixpence. (Or am I just showing my age?)
--
Regards
Stephen
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>> If you've got a TV/monitor that works with passive glasses then give it
>> a shot, you might get lucky. Often the TV will have a setting to
>> override the 3D image format (side-by-side, interlaced etc) - you just
>> need to match you POV images to the format the TV is expected,
>> side-by-side is probably easiest to create.
>
> Yes, you need a TV/monitor that is 3D Ready. If it is a monitor you need
> a GPU and drivers. You will also need a transmitter to sync the glasses.
You are talking of active (shutter) glasses. Passive (polarising)
glasses do not need a transmitter or any sync, the glasses are literally
just two bits of polariser film stuck to some cardboard (hence very
cheap). Obviously an "active" type TV will not work with passive
glasses, or vice-versa.
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On 1/8/2016 11:40 AM, scott wrote:
>>> If you've got a TV/monitor that works with passive glasses then give it
>>> a shot, you might get lucky. Often the TV will have a setting to
>>> override the 3D image format (side-by-side, interlaced etc) - you just
>>> need to match you POV images to the format the TV is expected,
>>> side-by-side is probably easiest to create.
>>
>> Yes, you need a TV/monitor that is 3D Ready. If it is a monitor you need
>> a GPU and drivers. You will also need a transmitter to sync the glasses.
>
> You are talking of active (shutter) glasses. Passive (polarising)
> glasses do not need a transmitter or any sync, the glasses are literally
> just two bits of polariser film stuck to some cardboard (hence very
> cheap). Obviously an "active" type TV will not work with passive
> glasses, or vice-versa.
>
Oh! I've not seen a 3D film at the cinema. I obviously havn't thought
about it much, Supplying shutter glasses would be a big layout as well.
--
Regards
Stephen
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Alain <kua### [at] videotronca> wrote:
> The 3D glasses used for colour movies normaly use polarised glasses,
> vertical polarisation on one side, horizontal for the other.
> The projectors also have coresponding polaroid filters.
There appear to be different technologies out there, but state of the art
actually is not horizontal and vertical polarization, but left-handed and
right-handed circular polarization -- the advantage being that you don't need to
keep your head exactly level.
This is often also combined with a slight red/cyan tint.
> 3D TV and monitors use alternating right-left images and you need
> special switching glasses to get the 3D effect. Special care must be
> given to the synchronisation between the screen and the glasses, usualy
> provided through a bluetoot signal.
There /are/ also displays out there that use polarization filters.
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On 1/7/2016 8:15 PM, clipka wrote:
> Am 08.01.2016 um 01:01 schrieb Mike Horvath:
>> I just got done watching the new Star Wars movie in 3D. I kept the
>> glasses. How do I make images like that in POV-Ray?
>
> Unless you have a display specifically designed for 3D -- in which case
> some 3D glasses should have come with it -- the glasses they give you at
> movie theaters are of no use to you. So either way you could just as
> well have been a good boy and returned them. (Even if your display is
> designed for 3D, the glasses might be incompatible with the system used.)
>
> The only glasses that work with traditional displays are those good old
> red-green or red-cyan glasses; if they gave you a set of /those/ at the
> theater you should have demanded to get your money back.
>
Crap. I guess I should return them then.
There are also chromatek glasses that work with regular PC monitors, but
they mess up the colors considerably.
http://chromatek.com/what-is-chromadepth/chromadepth-basic-explanation/
Mike
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