From: Axel Kohlmeyer (
Date: Fri Feb 22 2013 - 08:18:12 CST

On Fri, Feb 22, 2013 at 2:13 PM, Marcel UJI (IMAP) <> wrote:
> Hello
> I'm considering purchasing a 3D monitor to use with VMD in linux. I found
> that Nvidia 3D vision equipment (monitor+glasses) are considerably more
> expensive than equivalent FPR ( Film-type Patterned Retarder) monitors +
> (passive) glasses. Has anyone experience with 3D equipment in VMD?

yes, there should be several folks subscribed to this list that can
talk about their experiences.

> I'm particularly concerned with:
> - When not using 3D glasses does any of those technologies affect the 2D
> resolution or general quality of the image??

yes and no. in stereo mode, you will have the two images for left and
the right eye displayed at the same time. in the first case they are
shown as alternating (full picture) frames and in the second case in
alternating scan lines. that means, you will have to turn stereo mode
off. but then the image will be normal.

> - Is VMD in linux supporting both types of 3D technologies??


> I know that FPR uses half of the pixels for each eye, but they are
> "combined" later when forming the image so the final quality should be OK.
> Is that true??

no. it is "ok" for large and dense objects, but letters and thin lines
look funny, often bordering on being unreadable since each eye sees a
different half of the picture.
you can get an impression by clicking on
"Display->Sterep->RowInterleaved" or

> My computer has a Nvidia Quadro 4000, so presumably both of them should be
> supported.



> Thank you in advance for your suggestions
> Marcel
> --
> Dr. Marcel Aguilella-Arzo
> Professor Titular d'Universitat, Física Aplicada
> Departament de Física
> Escola Superior de Tecnologia i Ciències Experimentals
> Universitat Jaume I
> Av. Sos Baynat, s/n
> 12071 Castelló de la Plana (Spain)
> +34 964 728 046

Dr. Axel Kohlmeyer
International Centre for Theoretical Physics, Trieste. Italy.