Stereo videos questions and considerations

[Fernando_Blanco]

Hi,

Thanks to the Vray sereoscopic helper we can now offer 3d video to clients.
Render left and right views, comp them in Pdplayer, export as stereo interlaced avi. and...
So far we where ablle to see it using a samsung 3d monitor using nvidia 3dview glasses that works great
for stills and animations but we have a 22''(1680x1050) display, not even full HD.
There are bigger and full HD monitors, but clients will have to use a computer like us.
Which is not convenient for a more public demonstration.
The way to go is using a 3DTV, as big as possible, that reads the video directly in it's usb port and
media center capabilities.We will test if it works in the next days or so.
All considered we were covered with our 104 cores ( everything on including the secretary's pc )
But the eventual videos we make are 720x480 dvd output.
When rendering 3DHD the cores are back to the stone age.Rendertimes are close to 8x more( left and right views and larger resolutions)

About the questions:
In the stereoscopic helper there are focus points ( none, rotation,shear ) what they do?We made tests but no visible diferences.
The radial polorized glasses used in theaters can only be used in a dual projector systems?
Will they work in a 3d monitor?

Best Regards,
Fernando Blanco

[vlado]

There are monitors (e.g. by JVC) that produce interlaced 3D with circular polarization (this polarization is also used in RealD cinema, but without the interlacing of course), it seems to work very well.

About the focus point: when it is set to "none", both cameras are oriented straight ahead, parallel to each other. When the option is set to "Rotate", the two cameras are rotated to look at the same place, but the planes where they are focused do not coincide (they are rotated). With the "shear" mode, the focus planes for both cameras match. See the attachments to see how this looks.

Even though the human eyes operate similar to the "Rotate" mode, some people state that the "Shear" mode is easier to look at on a big screen.

Best regards,
Vlado