[PyMOL] MacPyMOL in command line mode

2015-05-29 Thread Yu Chen
Hello,

I am trying to run MacPyMOL in command line mode with "-c -q" option. While
directly logged in to the computer, it works. But if I ssh into the
computer (even with X11 forwarding enabled), it fails with some errors
about connecting to WindowServer  And I can tell it actually tried to
launch the GUI very briefly, then returned to the command line to process
the scripts. Is this right? Can I run it remotely on another computer just
from pure command line.

Thanks.

CY
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Re: [PyMOL] New MacBook

2006-05-19 Thread Yu Chen
Yeah, my bad as I talked to Mark, hands faster than brain kind of thing 
:-), and in fact, we are getting a MacBook soon, I am going to try to see, 
and let everybody know.


Chen


On Fri, 19 May 2006, Serge Cohen wrote:


-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Hi Chen;

I guess the question is not about getting a "universal binary", buth rather 
how the Radeon X1600 of the MacBook Pro compares with the GMA950 of the 
MacBook !!!


Indeed I'd be very curious to know as well.

Serge.


Le 18 mai 06 à 20:40, Yu Chen a écrit :

If you check the pymol website, the Feb 5th 2006 news announced MacPymol is 
now Universal Binary, and it rocks!!! We do have it running on MacBook 
Pros, realy fast!


Chen


On Thu, 18 May 2006, Mark A Saper wrote:

I'm very interested in knowing whether PyMOL is usable on the new MacBook 
considering that it has Intel integrated graphics.

Mark


***
Serge Cohen

GPG Key ID: 9CBB58FB
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===
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phone:  (410)455-6347 (primary)
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Re: [PyMOL] New MacBook

2006-05-18 Thread Yu Chen
If you check the pymol website, the Feb 5th 2006 news announced MacPymol 
is now Universal Binary, and it rocks!!! We do have it running on MacBook 
Pros, realy fast!


Chen


On Thu, 18 May 2006, Mark A Saper wrote:

I'm very interested in knowing whether PyMOL is usable on the new MacBook 
considering that it has Intel integrated graphics.

Mark
_
Mark A. Saper, Ph.D.
Associate Professor of Biological Chemistry
Biophysics Research Division, University of Michigan
930 N University Ave
Ann Arbor MI 48109-1055   U.S.A.

sa...@umich.edu(734) 764-3353fax (734) 764-3323
http://www.biochem.med.umich.edu/biochem/research/profiles/saper.html




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Howard Hughes Medical Institute
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University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347 (primary)
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fax:(410)455-1174
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===



Re: R: Re: [PyMOL] Linux NVidia segmentation fault

2005-07-12 Thread Yu Chen
No, we don't have Quadro FX, we have 3DForce FX 5600-256. When we use the 
new drivers, it just sometime freeze the computers, not patically a Pymol 
related problem.


Sorry couldn't help more, good luck.

Chen

On Tue, 12 Jul 2005, Paolo Tosco wrote:


 Thank you very much for your answer. Indeed I started experiencing the

 segmentation fault with driver 6629, which is the one shipped with RHEL
 3.0. That's why I decided to try newer drivers. Is your graphic board a
 Nvidia Quadro FX? Maybe this issue doesn't come up with
 any Nvidia board, but only with some of them. I wonder if the problem is
 connected with the fact that I tried Pymol 0.98 and 0.99beta, but never
 0.97. I will let you know if I will finally manage to solve the
 problem.

Paolo



===
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 182
University of Maryland at Baltimore County
1000 Hilltop Circle
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phone:  (410)455-6347 (primary)
(410)455-2718 (secondary)
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===



Re: [PyMOL] Linux NVidia segmentation fault

2005-07-12 Thread Yu Chen
Have you tried 6629 driver? We also had some other problems with the 
newest driver, so we just switched back to 6629.


On Tue, 12 Jul 2005, Paolo Tosco wrote:


Hi everybody, I have read in the thread about the infamous "segmentation fault" issue 
concerning NVidia Linux drivers and PyMOL. Warren says that starting from release 7664 the 
problem has been solved, but I still experience the segmentation fault when working with medium 
sized proteins using surfaces. I tried the newest drivers 7667 and 7664 using both PyMOL 0.98 
binary and PyMOL 0.99beta binary, and I had negative results. Then I even tried with drivers 7167 
and 7174 which also should work with PyMOL 0.99beta, but I didn't manage to get rid of this 
segmentation fault. I'm running PyMOL on a RHEL 3.0 WS box with Kernel 2.4.21-9.EL (which is the 
one shipped with RHEL 3.0). I have read on the NVidia README file that this issue is connected 
with Kernels older than 2.6.x. But I can't upgrade my kernel, because I'm 
running other applications which require the original Kernel to work properly. When I work with 
the same protein under the same conditions on my Windows laptop (SiS 730 graphics card) PyMOL 
runs smoothly.
Has anybody a suggestion how to manage running PyMOL with NVidia Quadro FX 
1300/PCI/SSE2 under Linux without experiencing the segmentation fault after a 
few minutes?
Thanks for your time
Paolo Tosco



=======
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 182
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347 (primary)
(410)455-2718 (secondary)
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===

Re: [PyMOL] SOLUTION to nVidia driver problem

2005-04-22 Thread Yu Chen
Just sharing our experience, we upgraded just before Warren's warning. 
Seems everything's fine so far.


We are using RedHat Enterprise WS 3 (update 3) fully updated with kernel 
2.4.21-27.0.2 on Intel(R) Xeon(TM) CPU 1700MHz with 512MB mem


Regards,
Chen

On Fri, 22 Apr 2005, Peter Dudek wrote:


Hello everyone,

I found a temporary solution to the driver problem, in case there are people
out there who are too lazy to roll them back (like me). Basically, when
running pymol from the command-line with the new drivers, an error regarding
the TLS library is produced:

ImportError: libnvidia-tls.so.1: cannot handle TLS data

This was the exact same error I was getting after installing the 6111 drivers
for the first time - but at the time, it seemed I was the only one on this
list with this problem (you can scan the archive for the thread). However,
the solution remains the same. Renaming /usr/lib/tls to something else
(/usr/lib/tls_backup) for instance, solved this issue. Now pymol launches and
is accelerated normally.

I'm running Debian SID, kernel 2.4.26, on AMD64 hardware.

Regards,
Peter

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University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347 (primary)
(410)455-2718 (secondary)
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===



Re: [PyMOL] pymol crashes with very large structures?

2005-01-10 Thread Yu Chen
I did it on RedHat EL-AS-3, Intel 1.7GHz, single cpu, 512MB memory, 
GeForceFX 5600 (256MB Mem on chip) without problem, it took about 5-6 mins 
to load with the same commands as Douglas has run.


Chen

On Sun, 9 Jan 2005, Douglas Kojetin wrote:

I didn't keep track of how long it took (and it took a while), but I was able 
to successfully run the following commands under OS X using MacPymol 0.95 on 
a machine w/ 1.5GB RAM.


load 1JJ2.pdb
hide all
show surface

Doug


On Jan 9, 2005, at 1:45 PM, Wulf Dirk Leuschner wrote:


I use an AMD 2 GHz machine with 1 GB of RAM (recently added 512 MB) with a
GeForce5200 graphics card, and I was quite happy with the performance
(Windows - Linux is currently not possible since the machine I got Linux
installed on is too slow) for the 65,000 atoms of the smaller ribosome
structure. Surface rendering of that structure takes about 2.5 min with an
initial memory usage of about 1.25 GB.

With respect to the crash with 1JJ2.pdb: pymol shuts down immediately - no
pymol processes running anymore.

Warren proposed to set the surface mode to -1 or -2, but I got the same
result: it crashed again.

After that I thought maybe my new memory is faulty and ran an exhaustive
memory check - without any errors.

I then selected chain A of the structure and then used 'show surface,a' 
('a'
being the selected protein chain): this worked fine! Three chains: fine! 
All

atoms: crash!

I wonder if anybody with a 'decent' machine could try the same and let me
know if they got the same problem. If not, it's my machine and I won't
bother anybody anymore ;-)

Thanks in advance!

WDL

Here's the direct link to the PDB entry:
http://www.rcsb.org/pdb/cgi/explore.cgi? 
job=download&pdbId=1JJ2&page=&pid=282541105295401


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Howard Hughes Medical Institute
Chemistry Building, Rm 182
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347 (primary)
(410)455-2718 (secondary)
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===

Re: [PyMOL] Warning: Nvidia 6111 drivers for linux

2004-10-13 Thread Yu Chen

Hi, Peter

What Linux are you using? Seems it's not a problem on RedHat linux, I am 
running both 7.3 and EL-AS, with 2.4.20 and 2.4.21 kernel respectively, 
and the exact same NVIDIA version without any problem at all.
Although we are using python2.2, looks like you are using python2.3, maybe 
that's the problem?


Best
Chen


On Wed, 13 Oct 2004 peter.du...@cellbio.unige.ch wrote:


Hello.

I did a scan (albeit brief) of the mailing list for this issue, but didn't find
it, so I decided to post it FYI.

I wanted to mention a serious issue I just discovered after installing the new
nvidia drivers for linux (specifically regarding the
"NVIDIA-Linux-x86-1.0-6111-pkg1.run" driver, though I imagine the same is true
for all other 6111 drivers), on a 2.4.x kernel, as well as the solution. It may
be important to make a note of this somewhere in the FAQ or installation
instructions (or perhaps it would be easy to fix in one of the pymol scripts).


PROBLEM:


Running Pymol gives the following message:

Traceback (most recent call last):
 File "/usr/lib/python2.3/site-packages/pymol/__init__.py", line 90, in ?
   import pymol
 File "/usr/lib/python2.3/site-packages/pymol/__init__.py", line 306, in ?
   import _cmd
ImportError: libnvidia-tls.so.1: cannot handle TLS data


SOLUTIONS:
==

There are 2 solutions to this problem.

(1) either rename /usr/lib/tls to something else, or delete it entirely. Pymol
then works perfectly ok. However, since this is akin to "If it hurts, cut it
off", it might break something down the line. Do note though, that the files
contained within this dir are also in /usr/lib (not a symbolic link).

(2) edit /etc/default/nvidia-glx (if it exists, for me it didn't), and set
USE_TLS to 0. Reboot. Surely there must be another editable config file
somewhere with this option, but I haven't found it.

According to a thread on PyKDE, "The tls (thread local storage) stuff only
works if you are running a tls-enabled glibc on a 2.6 kernel, and when
installing nvidia-glx, you are normally asked by debconf on what to use."

This suggests anyone running the new nvidia drivers on a 2.4.x kernel may
encounter this problem. Admittedly, I haven't tested them on a 2.6.x kernel, so
I can't be sure the problem doesn't occur there either.

Hope this helps someone.

Cheers,
Peter


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Email: du...@cellbio.unige.ch

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Re: [PyMOL] graphics with GeForce4 card in windows vs. linux

2004-09-14 Thread Yu Chen
You will need to download linux driver for GeForce 4 and install it under 
linux. The linux is not using the 3D-hardware accelaration without the 
manufacture's driver. 

On Tue, 14 Sep 2004, Eric Schreiter wrote:

> Hi All,
> I have a machine running WindowsXP and RedHat 9 with an Albatron GeForce 
> 4 Ti4800se graphics card.  I notice that when I run pymol in windows it 
> is much faster and smoother than when I run in linux.  When I open PyMol 
> in windows, it says "Adapting to GeForce hardware..." but does not say 
> this when I open it in linux.  Any thoughts on how I can get pymol to 
> run more smoothly in linux?  Thanks for your help.
> Cheers,
> Eric
> 
> 
> 
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University of Maryland at Baltimore County
1000 Hilltop Circle
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phone:  (410)455-6347 (primary)
(410)455-2718 (secondary)
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===




Re: [PyMOL] PyMOL 0.96 Released

2004-07-13 Thread Yu Chen
Hi, just wondering if this is a bug or just my system. I was just 
exploring the new PyMOL, there is a menu item "plugin", when I 
clicked the pull-down menu "about plugins", PyMOL quit, gives out 
segmentation fault error. 

Thanks!
Chen
-- 

===
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 182
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347 (primary)
(410)455-2718 (secondary)
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===




RE: [PyMOL] electrostatic

2004-05-19 Thread Yu Chen
PyMOL takes care of this, thanks again Warren!

> 
> Are you using the same platform for both Grasp and Pymol? I don't think
> that big-endian maps (written by an SGI computer) can be read by a
> little-endian platform, such as a x86 based PC.


=======
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 182
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347 (primary)
(410)455-2718 (secondary)
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===




Re: [PyMOL] electrostatic

2004-05-18 Thread Yu Chen
> I have tried getting the electrostatic in pymol using the following commands:
> load molecule.pdb, mol-object
> load grasp-map.phi, map-object
> ramp_new ramp-name, map-object
> show surface, mol-object
> set surface_color, ramp-name, mol-object
> The problem is getting the phi map in grasp. Can somebody explain me how to 
> do it? 
> 

This is what we did and worked (we now using Delphi), try it. 
--
*On the SGI computers:
 1) Start up the computer, log in and in a command line prompt, change the 
directory to where the .pdb fi
le, .siz file and .crg files are located.
 2) Run grasp (command: /hhmi/software/grasp/grasp)
 3) Open up the menu by right-clicking on the window
 4) With the menu open, right-click on the Read option.
 5) Right-click on the PDB File option and load the .pdb file.
 6) Open the read menu again (steps 3-4), and select the Radius/Charge 
File option, then load the raidus
file.  Repeat again, loading the charge file.
 7) Open the main menu, click on display, show, molecular surface.
 8) Open the main menu, click on calculate, new potential map.
 9) Open the main menu, click on calculate, Pot. via map at surface/atoms
10) Open the main menu, click on write, potential map, internal map, let 
me enter it.  In the command lin
e prompt, type in the name of the file (namefile.phi)



=======
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 182
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347 (primary)
(410)455-2718 (secondary)
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===




Re: [PyMOL] graphics boards

2004-04-20 Thread Yu Chen
Yes, Nvidia card is the best for Linux.

I've tried Matrox, ATI, nvidia. Only the nvidia worked for us since we
have dual monitor setup. If you only work with single monitor, the ati
works fine too.
The driver installation is simple and easy, and they are much linux
friendly than others.

Chen


On Tue, 20 Apr 2004, Ezequiel Panepucci wrote:

> Mark,
>
> You can get an Nvidia Quadro4 380 XGL which has a stereo connector.
>
> Nvidia keeps their drivers on almost the same (if not the same)
> release schedule as their MS Windows drivers, they are very stable and
> easy to install and maintain.
>
> Zac
>
> | I know this has been discussed before on this list.  I need a graphics
> | board for a Linux RH 9.0 running on Dell Optiplex GX270.  The
> | applications will be O and Pymol and similar programs.  Stereo-capable
> | would be preferred.  I've been told that NVidia is more compatible with
> | Linux.  Of the myriad of models available, could anyone help narrow the
> | choices for me?  Price range <$150.
>
>
>
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Re: [PyMOL] installation problem

2004-04-15 Thread Yu Chen
The warning is ok, just ignore.
And to check the rpm package, use "pymol" as package name, not with
version numbers.

like 'rpm -q pymol'

Chen

On Thu, 15 Apr 2004, Shu-Hsien Sheu wrote:

> Hi,
>
> Our system administrator of a linux cluster have trouble upgrading from 0.93
> to 0.95:
>
> [mfitz...@man local]$ sudo rpm -U --test pymol-0.95-1.rh73.py22.i386.rpm
> [mfitz...@man local]$ sudo rpm -U pymol-0.95-1.rh73.py22.i386.rpm
> warning: user warren does not exist - using root
> warning: user warren does not exist - using root
> warning: user warren does not exist - using root
> warning: user warren does not exist - using root
> warning: user warren does not exist - using root
> warning: user warren does not exist - using root
> warning: user warren does not exist - using root
> [mfitz...@man local]$ sudo rpm -V pymol-0.95-1 package pymol-0.95-1 is not
> installed
>
> Any ideas?
>
> Thanks!
> shuhsien
>
> -Original Message-
> From: pymol-users-ad...@lists.sourceforge.net
> [mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of Marc Saric
> Sent: Thursday, April 15, 2004 8:15 AM
> To: pymol-users@lists.sourceforge.net
> Subject: [PyMOL] spectrum
>
> Hi all,
>
> I have a question regarding the spectrum command and b-factors. How are
> the color-ranges calculated by "spectrum"?
>
> I.e. i would like to know the values for the different shades like in
> the color_b.py-script, which gives you not only a total range, but also
> the bins.
>
> I would like to put a color-gradient-bar below a picture which shows
> numbers as well, and for that I need to know the ranges of blue, green,
> yellow, etc.
>
> Or is it possible to do this from within Pymol automatically (like for
> iso-surfaces)?
>
> Thanks in advance.
>
> --
> Bye,
> Marc Saric
>
>
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Re: [PyMOL] Re: Need advice on graphic card

2003-11-12 Thread Yu Chen
I just tried Summit Xserver, it is definitly a looot fast. But ... in 
single head mode. They claim they support Matrox Millennium G450 
multihead. In dual view 1600x1200 mode, the pymol won't lanuch, gave out:
GLUT: fatal error in pymol, visual with neccessary capbilities not found.
But in dual view 1152x864 and under, it does lauch, but not as fast as in 
single head mode, and some of the screen goes out of the monitor. 

And the price for the Summit multi-head is more than the price for a new 
good graphic card. I just have ordered ATI radeon 9600 PRO and 9600, will 
see how it goes.

Thanks for the informations. 
Chen


> I have 2 monitors running out of an ATI Radeon 8500 on redhat 8.0 using 
> the summit accelerated Xserver from Xig.com for hardware stereo on one 
> of the monitors.
> 
> I use the dual view function, so 1 big desktop (1 "screen" on 2 
> monitors)
> 
> Very hardware accelerated!
> 
> cheers
> 
> Dan
> 
> 
> On 12 Nov 2003, at 06:25, pymol-users-requ...@lists.sourceforge.net 
> wrote:
> 
> > --__--__--
> >
> > Message: 3
> > Date: Tue, 11 Nov 2003 12:17:20 -0500 (EST)
> > From: Yu Chen 
> > To: Marc Saric 
> > cc: pymol-users@lists.sourceforge.net
> > Subject: Re: [PyMOL] Need advice on graphic card
> >
> > the "merged mode" is just one framebuffer for both display, so fool the
> > system thinking it's only a "single-head" presented.
> > No, Xinerama won't work with DRI. That's why i used merged mode, but it
> > messed up nmrview's font.
> >
> > Seems nobody else out there using two screens?
> >
> > Thanks anyway, Marc
> > Chen
> Dr. Daniel James White BSc. (Hons.) PhD
> Cell Biology
> Department of biological and environmental science
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-- 

===
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 182
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347
(410)455-2718
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===




Re: [PyMOL] Need advice on graphic card

2003-11-11 Thread Yu Chen
the "merged mode" is just one framebuffer for both display, so fool the 
system thinking it's only a "single-head" presented. 
No, Xinerama won't work with DRI. That's why i used merged mode, but it 
messed up nmrview's font. 

Seems nobody else out there using two screens?

Thanks anyway, Marc
Chen

> 
> What does "merged mode" mean?
> 
> I know that most XFree86 drivers do not support OpenGL-3D-acceleration 
> when used in Cinerama-mode (i.e. dual-head with one continuous desktop).
> 
> As far as I know, nVidia claims, that their driver can do that though 
> (but I haven't tested it, due to lack of a second screen and a dual-head 
> graphics-card.
> 
> 

-- 

===
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 182
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347
(410)455-2718
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===




[PyMOL] Need advice on graphic card

2003-11-10 Thread Yu Chen
Hello, pymolers

I checked pymol's homepage about the graphic card. But still not so sure, 
hope someone would have similar setting as ours, so could give us some 
advices on what card to buy. 

We running Redhat 7.3, XFree86 4.2.0, kernel 2.4.18-3. Currently, we 
running on Matrox Millennium G450, the 3D-accelleration works fine in 
Merged mode but not in dual-head mode. While nmrview works fine in 
dual-head mode, but font messed up in Merged mode. So we can't get both to 
work right at the same setting. 

So will Radeon 8500 work with both?

Thanks in advance for your advice!

Best
Chen

-- 

=======
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 122
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347
(410)455-2718
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===




RE: [PyMOL] Electrostatic potential maps in PyMOL

2003-07-10 Thread Yu Chen
Thanks everybody for suggestiones, and Warren for fixing the problem. I
will see if we could generate some phimap not 65x65x65.

Ksushik, I don't know why your Delphi is working fine, here is my output
from load phimap, which it should be cause of the endianess:

  PHIMapToStr: now starting phimap
  PHIMapToStr: potential
  PHIMapToStr: qdiffxas: qdiffxs4 with an improved surfacing routine
  PHIMapToStr:  j#
  ObjectMap: Map Read.  Range = -3388. to 37
  Crystal: Unit Cell1.0001.0001.000
  Crystal: Alpha Beta Gamma90.000   90.000   90.000
  Crystal: RealToFrac Matrix
  Crystal:1.0.0.
  Crystal:0.1.0.
  Crystal:0.0.1.
  Crystal: FracToReal Matrix
  Crystal:1.0.0.
  Crystal:0.1.0.
  Crystal:0.0.1.
  Crystal: Unit Cell Volume1.
  Executive: object "map" created.

Best
Yu


=======
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 122
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347
(410)455-2718
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===

On Wed, 9 Jul 2003, Warren L. DeLano wrote:

> Okay, scratch that -- I fixed the problem, relying on "standard"
> Fortran unformatted IO conventions to automatically determine endianness
> and map size.
>
> PyMOL should now be able to read a PHI map of any dimensionality, so
> long as record size is implicitly and correctly specified in the map
> file.   This may or may not be the case for ".phi" files written from C
> (for example, "fld2phi" is hard-coded for a 65x65x65 map, because the
> data block's record length specifier is hardcoded to be 0x10c304 =
> 65*65*65*4).
>
> Can someone send me a PHI map which is not 65x65x65 for testing
> purposes?  Please include the associated PDB file for visual
> verification.  Thanks!
>
> Looks like we'll need to push out another release sooner rather than
> later...
>
> Cheers,
> Warren
>
> --
> mailto:war...@delanoscientific.com
> Warren L. DeLano, Ph.D.
> Principal Scientist
> DeLano Scientific LLC
> Voice (650)-346-1154
> Fax   (650)-593-4020
>
> > -Original Message-
> > From: pymol-users-ad...@lists.sourceforge.net [mailto:pymol-users-
> > ad...@lists.sourceforge.net] On Behalf Of Warren L. DeLano
> > Sent: Wednesday, July 09, 2003 2:20 PM
> > To: 'EPF (Esben Peter Friis)'; 'Kaushik Raha '; 'Yu Chen '
> > Cc: pymol-users@lists.sourceforge.net
> > Subject: RE: [PyMOL] Electrostatic potential maps in PyMOL
> >
> > Yes, you have identified the problem:  PyMOL 0.90 currently only reads
> > PHI files in one of the two endian formats (not sure if it is big or
> > little).
> >
> > The problem is, how it PyMOL to determine which format the incoming
> map
> > is in?  The file format is so darn implicit, I haven't yet come up
> with
> > any effective way of doing it without risking a floating exception on
> > finicky hardware.
> >
> > Any ideas?  If we can just determine the "enddian-ness" of the
> incoming
> > file, then the rest is a snap.
> >
> > Warren
> >
> > --
> > mailto:war...@delanoscientific.com
> > Warren L. DeLano, Ph.D.
> > Principal Scientist
> > DeLano Scientific LLC
> > Voice (650)-346-1154
> > Fax   (650)-593-4020
> >
> >
> >
> >
> >
> > ---
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> > https://lists.sourceforge.net/lists/listinfo/pymol-users
>
>




Re: [PyMOL] Electrostatic potential maps in PyMOL

2003-07-09 Thread Yu Chen
Hello, Kaushik

Yeah, we do had problems with DelPhi to PyMoL. I don't know what your
mean by "modified version of Delphi..." We bought the latest Delphi from
their website, and used the data from all the example folders comes with
Delphi. The calculation all went well. When we tried to read the phimap
into PyMoL,

after
load delphi-map.phi, e_pot

In the console window, the line
objectMap: Map Read. Range= -... to ..

Then range is incredibly large, the negtive and positive values each has
about over 30 digits!

But when we use the same data in GRASP to generate the phimap, it reads in
well. If you could give us some advice on how you modified Delphi, or how
to get it, we would be greatly appreciate!

Best
Yu Chen

=======
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 122
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250
email:  c...@hhmi.umbc.edu
===

On Wed, 9 Jul 2003, Kaushik Raha wrote:

> There has been some talk on the list regarding failure of PyMOL in
> reading Delphi generated potential maps that I missed. I have generated
> phimap using a modified version of Delphi in the GRASP format that
> PyMOL reads and displays without any problem. So I am not sure what the
> problem is. Can anybody please let me know what was the problem with
> PyMOL reading Delphi generated GRASP potential maps? Was wondering if
> PyMOL is doing the right thing??
>
> Thanks,
> Kaushik Raha
> Penn State University
>
> On Wednesday, July 9, 2003, at 10:48 AM, EPF (Esben Peter Friis) wrote:
>
> >
> > Hi PyMOL users,
> >
> > MEAD's potential maps can be used in PyMOL, but it requires a little
> > more
> > than a bit of tweaking, as the maps are in the AVS .fld format, which
> > can
> > not be read by PyMOL. (These maps can be read by Dino, as Paulo just
> > mentioned). Also, PyMOL reads (as far as I can see) only big-endian
> > phi-maps.
> >
> > I have written a small program, which does the conversion from .fld to
> > big-endian-.phi, so the maps can be read by PyMOL. It just finished it
> > today, and it has only been tested on Linux (i386), so beware ;-)
> >
> > To create a nice electrostatic surface, you need:
> >
> >
> > * Gromacs (not strictly necessary, but makes life easier) Download from
> > http://www.gromacs.org
> > * MEAD. Download from http://www.scripps.edu/bashford/
> > * fld2phi, source code quoted below (sorry, but I don't have access to
> > our
> > external web server, and it's only about 4kb).
> > * PyMOL, of course (v0.88 or newer).
> >
> >
> > Here is an example how to create everything from scratch for 4PTI.pdb
> >
> >
> > Gromacs steps
> > -
> > 1) use pdb2gmx to create .gro and .top files:
> > pdb2gmx -f 4PTI.pdb -o 4PTI.gro -p 4PTI.top
> >
> > 2) use grompp to create .tpr file:
> > grompp -f 4PTI.mdp -p 4PTI.top -o 4PTI.tpr -c 4PTI.gro
> >
> > The file 4PTI.mdp contains the parameters for the Gromacs simulation.
> > But as
> > we are not going to do any simulation this time, an empty file is ok.
> > It can
> > be created with touch 4PTI.mdp.
> >
> > 3) use editconf to create a MEAD-readable pdb file:
> > editconf -f 4PTI.tpr -mead -o 4PTI.pqr.pdb
> >
> > The output pdb file must then be renamed to be recognized by MEAD:
> > mv 4PTI.pqr.pdb 4PTI.pqr
> >
> >
> > MEAD steps
> > --
> >
> > 1) create a .ogm file which specifies the grid size. Notice that PyMOL
> > can
> > only handle grids which are 65x65x65 points, so your only option is to
> > change the spacing between points. You can specify focussing options
> > in the
> > .ogm file, but only the coarsest grid is written anyway, so you only
> > need
> > one line in the 4PTI.ogm file:
> >
> > ON_GEOM_CENT 65 1.0
> >
> > See documentation for other centering options (first parameter). Next
> > number
> > is the number of grid points on each side (must be 65 to be readable by
> > PyMOL). The last number is a real specifying the distance between grid
> > points.
> >
> > 2) Run 'potential' to create the grid:
> > potential -epsin 2 -CoarseFieldOut 4PTI 4PTI
> >
> > The epsin option is mandatory and specifies the internal (in the
> > protein)
> > dielectric constant. The program will say something like:
> >
> > WARINING from potential main program:
> > Could not open field point file, 4PTI.fpt, for reading. Exiting without
> > giving any pote

RE: [PyMOL] can't initialize module sglite

2003-07-07 Thread Yu Chen
Thanks, Warren

I think it's the Python problem, i will try it.


On Mon, 7 Jul 2003, Warren L. DeLano wrote:

> Yu Chen,
>
> There are two likely causes of this problem:
>
> (1) An old pymol.com file
>
>   This may be caused by use of an outdated "pymol.com" startup
> script.  The launch requirements for PyMOL changed slightly in this new
> version, so it may be necessary to create a fresh "pymol.com" from one
> of the templates in the setup directory.
>
> (2) Linking against Python 1.52
>
>   Make sure that Python is linking against version 2.x if
> possible.  If you must use 1.52, you will need to compile the older
> versions of ExtensionClass.c and ExtensionClass.h located in the
> contrib/modules directory.
>
> I hope this helps.
>
> Cheers,
> Warren
>
> --
> mailto:war...@delanoscientific.com
> Warren L. DeLano, Ph.D.
> Principal Scientist
> DeLano Scientific LLC
> Voice (650)-346-1154
> Fax   (650)-593-4020
>
> > -Original Message-----
> > From: pymol-users-ad...@lists.sourceforge.net [mailto:pymol-users-
> > ad...@lists.sourceforge.net] On Behalf Of Yu Chen
> > Sent: Monday, July 07, 2003 12:34 PM
> > To: pymol-users@lists.sourceforge.net
> > Subject: [PyMOL] can't initialize module sglite
> >
> > Hello, pymolers
> >
> > I installed pymol-0.90 from tar file on Redhat Linux 7.2 the same way
> as I
> > installed pymol-0.88, the compiling all went well. But when running
> pymol,
> > it gives out:
> > Fatal error: can't initialize module sglite
> >
> > Not sure what happened, any help would be appreciated!
> >
> > Thanks in advance!
> > Yu
> >
> >
> > ===
> > Yu Chen
> > Howard Hughes Medical Institute
> > Chemistry Building, Rm 122
> > University of Maryland at Baltimore County
> > 1000 Hilltop Circle
> > Baltimore, MD 21250
> >
> > phone:  (410)455-6347
> > (410)455-2718
> > fax:(410)455-1174
> > email:  c...@hhmi.umbc.edu
> > ===
> >
> >
> >
> > ---
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>
>




[PyMOL] can't initialize module sglite

2003-07-07 Thread Yu Chen
Hello, pymolers

I installed pymol-0.90 from tar file on Redhat Linux 7.2 the same way as I
installed pymol-0.88, the compiling all went well. But when running pymol,
it gives out:
Fatal error: can't initialize module sglite

Not sure what happened, any help would be appreciated!

Thanks in advance!
Yu


=======
Yu Chen
Howard Hughes Medical Institute
Chemistry Building, Rm 122
University of Maryland at Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone:  (410)455-6347
(410)455-2718
fax:(410)455-1174
email:  c...@hhmi.umbc.edu
===




[PyMOL] Emulate 3-button mouse in pymol

2002-09-10 Thread Yu Chen
Hi, 

I installed pymol on MAC G4 laptop, since it only has a 1-button touch 
pad, how do I emulate a 3-button mouse using some keys combined with the 
one button, juse like under Xdarwin I can configure it with option+click 
and command+click. 

Thanks!





===
Yu Chen
Howard Hughes Medical Institute
University of Maryland Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

phone: (410)455-6347
fax: (410)455-1174
email: c...@hhmi.umbc.edu
===