Hi Nic, There is no reason that you have to use the Unity desktop at all. I prefer using the XFCE4 desktop myself. It is easily installable from the Ubuntu repositories and then you just have to select it at login.
Cheers, Rob On Tue, 2014-03-11 14:44 EDT, Nic Steussy <csteu...@purdue.edu> wrote: > Matic, > > I am struggling with Ubuntu on this issue. > > The Nvidia driver needs the 'Composite' function disabled in order to > function in 3D. This required the use of the Unity-2D package to disable > the 3D used in the Ubuntu desktop effects. This worked fine in Ubuntu > 12.04. Unfortuately the developers have decided that the eye candy is > essential to their desktop and have deprecated the Unity-2D package(since > 13.04). So in a more recent release of Ubuntu the 'Composite disable' in > the xorg.conf with the Nvidia driver will yield a blank screen and a core > dump. > > I'd certainly love it if someone could offer a solution aside from > stepping back to an older release. > > Nic out > > On 03/10/2014 05:23 AM, Matic Kisovec wrote: > Dear everybody, > > to my recent experience not everything is good in the stereo world. Since > I see that others don't have these problems (and I am happy/sad to see > that the same exact combinations work without problems) I would just like > to add my experience. > > For the past 4 months I have been struggling to configure a stereo setup > for viewing structures in Pymol. I got the VG278HR and PNY Quadro K600 > connected over the original DVI-D cable. Since then I was unable to get > anything in stereo on Linux (tried Ubuntu, OpenSUSE, Fedora). > Unfortunately I get a blank/black screen whenever I use the stereo option > in xorg.conf. Also tried changing the motherboard and CPU but got the > same result. > > In Windows the demo stuff from Nvidia works just fine but again I have > problems with Pymol. So far the only way to see anything connected to > molecular structures in Windows was via DVI-to-HDMI cable but due to HDMI > restrictions the quality isn't as good as it would be over DVI-D. If I > use DVI-D that was shipped with the monitor the quadro card is detected > in Pymol but the monitor doesn't switch to stereo. > > I have been in contact with the company that makes Quadro cards (PNY) but > they were unable to help me. I also contacted some very kind users of > CCP4BB and they kindly answered a bunch of question regarding specific > setup options. Thanks again! Still there was no success so far. > > I am slowly giving up on the stereo so if anybody has any ideas/thoughts > what could be wrong/done I would greatly appreciate any insight. > > Kind regards, > Matic > > > > On 06. 03. 2014 19:32, White, Mark wrote: > Alexy > > I have the ASUS 27" stereo LCD monitors with built in emitter connected > to Linux WS with the cheaper Quadro cards. The monitor comes with a > special DVI cable that caries the sync signal and thus it does not need > the 3-pin connector. > > The new LCD stereo monitors produce superb 3D images that are much > crisper than we used to get with CRT displays. > > Best regards > Mark > > Sent from my iPhone > > On Mar 6, 2014, at 12:01 PM, "Alexey Rozov" <alexey.ro...@gmail.com> > wrote: > > Hello, > > Sorry, if this question somewhat off-top to the actual discussion, but to > my understanding one does need the 3-pin connector to operate 3D under > Linux even for the monitors with the built-in emitter. It appears to be > necessary to guide the emitter, or am I wrong about it? I'd be thankful > if anyone can advise me on that since it looks like a big problem to > acquire the commercial connectors and cables. > > I think I have seen an older discussion on CCP4BB where the importance of > the 3-pin connector was emphasized... > > Alexey > > > On 6 March 2014 18:30, mesters <mest...@biochem.uni-luebeck.de> wrote: > Hello Moutse, > > as you noted correctly, the ASUS VG278H (HR or HE) comes in two flavours, > one with build in emitter (120 Hz, HR model) and one without (144 Hz, HE > model). > > The VG278HR (ships with one pair of shutter glasses) with build in > emitter can be used under windows and linux with a cheap nvidia quadro > card (the ones without a 3-pin stereo connector). > > With the VG278HE under windows and a cheap nvidia quadro, you will need > the nvidia emitter that uses a usb port for driving the emitter. To > operate the VG278HE under linux requires a truely expensive quadro card > (k4000 and upwards) with an optional (!) 3-pin connector or, purchase an > old refurbished quadro card with 3-pin. > > Have a look at the following link > http://www.nvidia.com/object/3d-vision-pro-requirements.html, especially > the table at the end with the small print explanation "2" and "3" > > - J. - > > > Am 06.03.14 17:41, schrieb Mouts Ranaivoson: > Hi, > > I am currently also looking for a 3D monitor, and I am particularly > attentive to this particular discussion. My interrogation is that does > the Asus VG278HE model work under linux ? From previous ccp4bb > discussions I understood that only built-in emmitter (like the Asus > VG278HR) are suitable for that, but maybe I misunderstood... > > Thank you very much for your help, > > Moutse. > > > ------------------------------------------------ > Date: Thu, 6 Mar 2014 09:55:15 +0100 > From: mest...@biochem.uni-luebeck.de > > Subject: Re: [ccp4bb] Stereo monitors for use with Pymol and Coot > To: CCP4BB@JISCMAIL.AC.UK > > > Hi, > > this is probaly due to the transition from old TFT style to new IPS panel > based monitors... Several new passive 3d monitors are hitting the market > such as AOC d2769Vh and the Philips Gioco 278G4. Both are based on 27" > IPS Monitor panels. > > A list of possible monitors can be found at Tridef (many are old but new > models are listed), https://www.tridef.com/products/pc-licensed-products. > > Problem with passive stereo is, you will half the resolution in the > vertical direction. It is a problem if you are looking at wire-models of > structures in pymol and especially fine-wire electron density mesh and > models in coot as those noticably loose resolution compared to active > stereo screens. Also, passive screens have a pol-filter in place, the > fine lines of which you will observe on a white background, the more > disturbing the closer the viewing distance to the screen is. So, for > general office applications (writing text), the screens are less useful. > This is not to big a problem for viewing full screen pictures, games and > movies (increased distance to the screen...). > > Moreover, with passive monitors, as the stereo effect increases with the > screen size, the picture looks more "pixeled" compared to active stereo > screens. I personally own a AOC d2769Vh and for 3D movies it is great, > for coot not that useful if you plan longer sessions. At work, we operate > an ASUS VG278HR (active stereo and build in emitter for glasses). Many > hardware testers consider this screen the best one available on the > market. > > If you mainly need it for coot, I recommend to change your priorities and > buy an active stereo screen such as Asus VG248QE or Asus VG278HR. You do > not need an expensive quadro card (600 will do fine) as the VG278HR has > build-in emitter for operation with cheap nvidia glasses. It pays off in > the long run to invest a few more dollars as you (I assume) will spend a > lot of time in front of the this device (so buy the best as you only have > one pair of eyes....). > > - J. - > > > > > Am 05.03.14 23:46, schrieb Shaun Lott: > A rather US-centric question on passive 3D monitors... > > I'm just getting set up in the US, and I'm surprised on how few passive > 3D monitors seem to be around - many models seem listed as 'out of stock' > when looking in the usual places (Amazon, NewEgg, BestBuys, Walmart etc.) > > The best deal I have found is for an LG D2343PB-BN > (http://www.lg.com/us/commercial/lcd-computer-monitors/lg-D2343PB-BN) at > US$274 > > Does anyone have any experience with this model, or any suggestion about > where best to buy 3D monitors in the US? > > many thanks in advance > > Shaun > > > -- > Dr. Jeroen R. Mesters > Deputy, Senior Researcher & Lecturer > > Institute of Biochemistry, University of Lübeck > Ratzeburger Allee 160, 23538 Lübeck, Germany > > phone: +49-451-5004065 (secretariate 5004061) > fax: +49-451-5004068 > > http://www.biochem.uni-luebeck.de > http://www.iobcr.org > > <mime-attachment.png> > -- > If you can look into the seeds of time and tell which grain will grow and > which will not, speak then to me who neither beg nor fear (Shakespeare's > Macbeth, Act I, Scene 3) -- Disclaimer > * This message contains confidential information and is intended only for > the individual named. If you are not the named addressee you should not > disseminate, distribute or copy this e-mail. Please notify the sender > immediately by e-mail if you have received this e-mail by mistake and > delete this e-mail from your system. > * E-mail transmission cannot be guaranteed to be secure or error-free as > information could be intercepted, corrupted, lost, destroyed, arrive late > or incomplete, or contain viruses. The sender therefore does not accept > liability for any errors or omissions in the contents of this message, > which arise as a result of e-mail transmission. If verification is > required please request a hard-copy version. Please send us by fax any > message containing deadlines as incoming e-mails are not screened for > response deadlines. > * Employees of the Institute are expressly required not to make > defamatory statements and not to infringe or authorize any infringement > of copyright or any other legal right by email communications. Any such > communication is contrary to Institute policy and outside the scope of > the employment of the individual concerned. The Institute will not accept > any liability in respect of such communication, and the employee > responsible will be personally liable for any damages or other liability > arising. Employees who receive such an email must notify their supervisor > immediately. -- > > > > -- Robert L. Campbell, Ph.D. Senior Research Associate/Adjunct Assistant Professor Dept. of Biomedical & Molecular Sciences Botterell Hall Rm 644 Queen's University, Kingston, ON K7L 3N6 Canada Tel: 613-533-6821 <robert.campb...@queensu.ca> http://pldserver1.biochem.queensu.ca/~rlc
