Re: [PyMOL] Viewing PyMol in 3D

2012-12-11 Thread EPF (Esben Peter Friis)

Hi PyMOLers

We recently bought Asus V278H monitors, which displays nice stereo under Linux 
(Ubuntu 12.04).  The monitors were bundled with Nvidia 3D vision v2 glasses. We 
have Quadro FX5800 cards, but we do NOT use the 3-pin stereo port, but rather 
the built-in emitter in the monitors. I have pasted my notes from the 
installation below. Is works with PyMOL as well as other OpenGL applications, 
such as VMD, Accelrys Discovery studio, CCDC GOLD/Hermes, Yasara, etc.
Cheers,

Esben

Asus VG278H flat panel 3D screens and Ubuntu 12.04
These screens have built-in emitters that actually work under Linux, with 
Nvidia drivers version 310 or newer. (These drivers are packaged in Ubuntu 
12.04, so they're easy to install)
Install by closing X and install:
 sudo service lightdm stop
use Ctrl-Alt-F1 to swith to a text console and login (possibly, but not 
strictly necessary) as root
 wajig install nvidia-experimental-310

/etc/lightdm/lightdm.conf
This file is very important for geting the right video mode for the login 
screen (via the script in /etc/X11/set_1920x1080.sh, otherwise the X-server 
doesn't start at all). It also makes sure that the username has to be typed 
instead of selected from a list (very important when the system has many users)
[SeatDefaults]
user-session=ubuntu
greeter-session=unity-greeter
greeter-show-manual-login=true
greeter-hide-users=true
display-setup-script=/etc/X11/set_1920x1080.sh
session-setup-script=/etc/X11/set_1920x1080.sh

/etc/X11/set_1920x1080.sh
This script calls the xrandr tool to set the videomode
#!/bin/bash
xrandr --output DVI-I-3 --mode 1920x1080 --rate 120
Note!!
It seems that when everything is installed, there are still some tweaks to do 
(not completely sure though)

 *   Reboot
 *   For stereo to work the first time, I had to stop lightdm (see above), 
switch to a text console and login as normal user, then do startx to start the 
X-window system. Now check if stereo works. If so, then switch back to the text 
console and kill the X-server (Ctrl-C). The restart lightdm and login from the 
graphical login screen. Then it should work.
/etc/X11/xorg.conf
I dont know how important the xorg.conf file actually is, but here's my copy
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 310.14  
(buildmeis...@swio-display-x86-rhel47-06.nvidia.com)  Tue Oct  9 13:04:01 PDT 
2012

Section ServerLayout
Identifier Layout0
Screen Screen0
InputDeviceKeyboard0 CoreKeyboard
InputDeviceMouse0 CorePointer
EndSection

Section Files
EndSection

Section InputDevice
# generated from default
Identifier Mouse0
Driver mouse
Option Protocol auto
Option Device /dev/psaux
Option Emulate3Buttons no
Option ZAxisMapping 4 5
EndSection

Section InputDevice
# generated from default
Identifier Keyboard0
Driver kbd
EndSection

Section Monitor
Identifier Monitor0
VendorName Unknown
ModelName  Unknown
HorizSync   28.0 - 400.0
VertRefresh 43.0 - 120.0
Option DPMS
EndSection

Section Device
Identifier Device0
Driver nvidia
VendorName NVIDIA Corporation
EndSection

Section Screen
Identifier Screen0
Device Device0
MonitorMonitor0
DefaultDepth24
Option NoPowerConnectorCheck True
Option UseEdid True
Option ModeDebug True
Option Stereo 10
Option 3DVisionDisplayType 1
SubSection Display
Depth   24
EndSubSection
EndSection

Section Extensions
Option Composite Disable
EndSection



Best Regards
Esben Peter Friis
Science Manager

Novozymes A/S
Krogshoejvej 36
2880 Bagsvaerd Denmark
Phone: +45 44461334
Mobile: +45 30771334
E-mail: e...@novozymes.com
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From: Max Ferretti [mailto:mferr...@scripps.edu]
Sent: 10. december 2012 17:22
To: pymol-users@lists.sourceforge.net
Subject: [PyMOL] Viewing PyMol in 3D

Hey everyone,

Does anyone have experience setting up pymol to be viewed in 3D with glasses? 
I'm hoping to build a system for this purpose.

From what I have read, I will need a recent NVidia Quadro card and a 
3D-capable LCD monitor with a resolution of at least 120Hz. I'm not sure if I 
need 

[PyMOL] Delete empty objects

2012-12-11 Thread V.V.
Hello,
Is there a quick way to delete the objects that do not contain any atoms?

Thank you in advance,
Vitaly

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Re: [PyMOL] Delete empty objects

2012-12-11 Thread Tsjerk Wassenaar
Hi Vitaly,

Try

for i in cmd.get_object_list(): cmd.get_model(i).get_coord_list() or
cmd.delete(i)

Ciao!

Tsjerk



On Tue, Dec 11, 2012 at 9:31 AM, V.V. vvos...@gmail.com wrote:

 Hello,
 Is there a quick way to delete the objects that do not contain any atoms?

 Thank you in advance,
 Vitaly


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[PyMOL] alignto command

2012-12-11 Thread Jonathan Grimes

   is there a way of getting the alignto command to print out RMS deviations 
over
   the aligned regions of the structures.

thanks
jon



Dr. Jonathan M. Grimes, 
NDM Senior Reseach Fellow
University Research Lecturer
Division of Structural Biology
Wellcome Trust Centre for Human Genetics
University of Oxford
Roosevelt Drive,
Oxford OX3 7BN, UK

Email: jonat...@strubi.ox.ac.uk, Web: www.strubi.ox.ac.uk 
Tel: (+44) - 1865 - 287561, FAX: (+44) - 1865 - 287547   




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Re: [PyMOL] make bond between two atoms

2012-12-11 Thread Jason Vertrees
Hena,

 I created two objects as follows:

 pseudoatom A1, pos=[10.0, 10.0, 100.0]
 pseudoatom A2, pos=[10.0, 10.0, -200.0]

 I want to create a bond between these two atoms. Could you please help me? I
 need to display a 2 fold axis passing through these points.

You can create a distance measure between them as shown here,
http://www.pymolwiki.org/index.php/Pseudoatom. Or you can do this:

pseudoatom foo1, pos=[0,0,0], name=CA
pseudoatom foo2, pos=[1,1,1], name=CB

create foo, foo1 or foo2

bond fooCA, fooCB

which creates a single object from the two pseudoatoms and bonds the
two pseudoatoms.

Cheers,

-- Jason

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[PyMOL] Help with alignments

2012-12-11 Thread Jonathan Grimes

 I am wanting to align proteins based on superposition of
 particular chains.  Is it possible to do the superposition based 
 on the chains, but to move, in this case the entire complex ???

 Thanks
  Jon

Sent from my iPad

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Re: [PyMOL] Help with alignments

2012-12-11 Thread Jason Vertrees
Hi Jon,

align prot1 and chain A, prot2 and chain X

'super' and 'cealign' should work similarly.

Cheers,

-- Jason

On Tue, Dec 11, 2012 at 7:35 AM, Jonathan Grimes
jonat...@strubi.ox.ac.uk wrote:

  I am wanting to align proteins based on superposition of
  particular chains.  Is it possible to do the superposition based
  on the chains, but to move, in this case the entire complex ???

  Thanks
   Jon

 Sent from my iPad

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Re: [PyMOL] Help with alignments/ more general create and align question

2012-12-11 Thread Mike Marchywka

I don't want to hijack the thread but I was curious if you can point to few 
pymol
features for generating and rotating molecules and how they would play with
other tools. For example, if I just go download pdb files or take output from 
DFT,
it may be easier to do analysis with certain alignments. Similarly, I want to
generate hypothetical molecules for various tests and wanted some easy way
to do that. There are many graph, shape, or geometry tools available in various 
fields, 
maps, CAD etc and apparently they are tools for drawing or editing molecules.
However, I was just looking for something that works from command line and is
reasonably easy to integrate with other things. 

Apparently pymol is all based on python and presumably features, like the 
plugins
you pointed me to earlier, are easy to mix and match with other tools but not
sure offhand how to approach this. Right now, I'm making my own c++ tool
using Tcl front end so that I can eventually use all the math libraries like 
lapack
and boost as I want to do larger molecules( and use these for various types of 
alignments that
could generate large matricies ). Should I use python or just use
something that pymol already has? The immediate need is just to generate 
xyz files that look like short polyenes and be able to perturb them using a 
script.
So for this I end up with Tcl input that looks like a list of atom and direction
commands but there is probably some way to do this much with existing tools.



Thanks.







 From: jason.vertr...@schrodinger.com
 Date: Tue, 11 Dec 2012 07:38:32 -0600
 To: jonat...@strubi.ox.ac.uk
 CC: pymol-users@lists.sourceforge.net
 Subject: Re: [PyMOL] Help with alignments

 Hi Jon,

 align prot1 and chain A, prot2 and chain X

 'super' and 'cealign' should work similarly.

 Cheers,

 -- Jason

 On Tue, Dec 11, 2012 at 7:35 AM, Jonathan Grimes
 jonat...@strubi.ox.ac.uk wrote:
 
  I am wanting to align proteins based on superposition of
  particular chains. Is it possible to do the superposition based
  on the chains, but to move, in this case the entire complex ???
 
  Thanks
  Jon
 
  Sent from my iPad
 
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 Jason Vertrees, PhD
 Director of Core Modeling Product Management
 Schrödinger, Inc.

 (e) jason.vertr...@schrodinger.com
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