[PyMOL] Error: unknown type

2009-05-11 Thread Shiven Shandilya
Hello List,

Any ideas on why this script keeps failing in the newer PyMOL builds...

http://pymolwiki.org/index.php/Zero_residues

I keep getting the error message:


Error: unknown type: '1hpv'


where 1hpv is an actual pdb file/object

I am running pymol 1.2b5 rev. 3706 (compiled from svn) on Ubuntu 8.10


Anyone else face a similar issue, or is it just me


Thanks!

--Shiven

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[PyMOL] Color By RMSD -- New Script

2009-07-16 Thread Shiven Shandilya
Hello List,

A new PyMol script for coloring two objects by mutual RMS Deviation is
now available on the PyMol wiki:

http://pymolwiki.org/index.php/ColorByRMSD

Hope some of you will find it useful...

Many thanks to Jason Vertrees for help with turning the initial
proof-of-principle into useful code!!

Best,
Shiven



Shivender Shandilya,
Graduate Student,
Schiffer Lab,
Dept. of Biochemistry  Molecular Pharmacology,
University of Massachusetts Medical School,
Worcester, MA 01604.

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Re: [PyMOL] figure of buried surface area

2009-08-08 Thread Shiven Shandilya
Hi Jiamu,

Have you looked at VASCo :

http://genome.tugraz.at/VASCo/

I have found it to be very useful and very capable. Contact
interfaces, electrostatics (with Delphi) and many other features are
available. And best of all, it works extremely well with PyMOL.

Do read the manual carefully and you should be able to get very high
quality surface images with a little tweaking.

Best,
Shiven



On Sat, Aug 8, 2009 at 11:09 PM, Jiamu Dujiam...@gmail.com wrote:
 Dear Pymol BBSers,
 I want to generate a figure to show the overlap of two binding epitopes.
 Both two proteins A and B can interact with protein C, while their binding
 epitopes on C are overlapped. So I want to generate a figrue as this: the
 surface of protein C is colored as white, the buried surface area of A on C
 is colored as red, the buried surface area of B on C is colored as yellow,
 and the overlapped region is colored as orange. I tried several time, all
 the figures are not so beautiful. Is there anyone who can perform this well?

 Thanks and best wishes.


 --
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 State Key Laboratory of Molecular Biology
 Institute of Biochemistry and Cell Biology
 Shanghai Institutes for Biological Sciences
 Chinese Academy of Sciences
 320 Yue-Yang Road
 Shanghai 200031
 P. R. China
 Tel: +86-21-5492-1117
 E-mail: jiam...@gmail.com

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Re: [PyMOL] disjoint surfaces

2009-12-21 Thread Shiven Shandilya
Raluca,

Something that helps is: tabbing into edit mode, selecting all
vertices (ctrl-a) and removing doubles (Mesh Vertices Remove
Doubles).
Turning on smooth display also helps.

What exactly are you having problems with?   In what way are things
disjointed ?

Best,
Shiven


On Mon, Dec 21, 2009 at 6:51 AM, Raluca Mihaela ANDREI r.and...@sns.it wrote:
 Hi,
 I imported into Blender (a 3D modelling and animation
 software) a surface created in PyMOL and I realized that there
 are some disjoint surfaces inside. Is it possible to remove
 these surfaces in PyMOL?
 Thank you,
 Raluca

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Re: [PyMOL] disjoint surfaces

2009-12-21 Thread Shiven Shandilya
Hi Raluca,

So I am guessing this something like the surface being in fragments,
with small vertices floating within the larger object?

Unfortunately there is no easy way to do this from within PyMOL,
unless you can separate out the residues/atoms that are contributing
the disjointed meshes into new objects and then turn them off before
export.

Right now the best thing I can think of going into edit mode in
Blender and deleting those vertices by hand.  :-(

Best,
Shiven


On Mon, Dec 21, 2009 at 12:11 PM, Raluca Mihaela ANDREI r.and...@sns.it wrote:
 Thank you Shiven,
 I know how to remove the double vertices in Blender but I would like to
 remove them directly from PyMOL. By disjoint meshes I mean non-connected
 meshes, inside my mesh I have some smaller meshes that are non connected to
 the big mesh. I would like to know how to remove these meshes before saving.
 Thank you,
 Raluca


 On Mon, 21 Dec 2009 11:24:11 -0500
  Shiven Shandilya shiven.shandi...@gmail.com wrote:

 Raluca,

 Something that helps is: tabbing into edit mode, selecting all
 vertices (ctrl-a) and removing doubles (Mesh Vertices

 Remove

 Doubles).
 Turning on smooth display also helps.

 What exactly are you having problems with?   In what way are things
 disjointed ?

 Best,
 Shiven


 On Mon, Dec 21, 2009 at 6:51 AM, Raluca Mihaela ANDREI r.and...@sns.it
 wrote:

 Hi,
 I imported into Blender (a 3D modelling and animation
 software) a surface created in PyMOL and I realized that there
 are some disjoint surfaces inside. Is it possible to remove
 these surfaces in PyMOL?
 Thank you,
 Raluca


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[PyMOL] PyMOL Blender

2009-12-22 Thread Shiven Shandilya
Hello List,

An initial attempt at a  PyMOL + Blender  tutorial is now on the pymolwiki:

http://pymolwiki.org/index.php/Blender

Hope some of you will find it useful.

Fellow Blenderheads, crits are welcome.
Also, please help improve/add to the tutorial.

Best,
Shiven



Shivender Shandilya,
Graduate Student,
Schiffer Lab,
Dept. of Biochemistry  Molecular Pharmacology,
University of Massachusetts Medical School,
Worcester, MA 01604.

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Re: [PyMOL] PyMOL-users Digest, Vol 45, Issue 10

2010-02-19 Thread Shiven Shandilya
Hello Sing,

Perhaps going over the basic tutorial will help make things clear:

http://wwwuser.gwdg.de/~dseelig/plugin_tutorial.html


Best,
Shiven



On Fri, Feb 19, 2010 at 1:13 PM, Kin Sing Stephen Lee
s...@chemistry.msu.edu wrote:
 Dear all,

 Sorry I fixed the prepare_ligand4.py problem.  However, when I try to
 do the autodock in the plugin, the plugin cannot recognize the
 receptor so there is no choice available in the receptor in the
 docking page. If I click autogrid or autodock, the program shows no
 response.  Is there any setting I could check and fix it?

 Thank you very much

 Sing

 On Feb 19, 2010, at 9:33 AM, pymol-users-requ...@lists.sourceforge.net
 wrote:

 Send PyMOL-users mailing list submissions to
        pymol-us...@lists.sourceforge.net

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 You can reach the person managing the list at
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 When replying, please edit your Subject line so it is more specific
 than Re: Contents of PyMOL-users digest...


 Today's Topics:

   1. Re: coordinate systems of pymol and povray (Tsjerk Wassenaar)
   2. FreeMOL (Jason Vertrees)
   3. Re: PyMOL-users Digest, Vol 45, Issue 9 (Kin Sing Stephen Lee)
   4. Save movie not working (Kent Rossman)


 --

 Message: 1
 Date: Thu, 18 Feb 2010 21:42:39 +0100
 From: Tsjerk Wassenaar tsje...@gmail.com
 Subject: Re: [PyMOL] coordinate systems of pymol and povray
 To: gabriela.schlau-co...@alumni.brown.edu,     pymol-users
        pymol-users@lists.sourceforge.net
 Message-ID:
        8ff898151002181242o50721274q14324f2a14209...@mail.gmail.com
 Content-Type: text/plain; charset=iso-8859-1

 Hi Gabriela,

 If you only want to get the molecule back in view and rotate/translate
 it to your liking, you can use commands like:

 #declare Protein = union { #include  protein.inc }
 #declare Center = (min_extent(Protein)+max_extent(Protein))/2;
 object { Protein translate -Center }

 If you want to preserve the view you had in Pymol, you'll need
 something more. For this purpose I wrote a set of POV-Ray macros,
 which are attached. For this to work, you have to save the view from
 get_view(). If you used the (better ;)) second version of make_pov
 from the wiki, the view is already saved in the pov-ray file. Place
 the macro file somewhere where POV-Ray can find it, and uncomment the
 section in the .pov file starting with  Uncomment the following
 lines :) Now, if you want to add objects to your scene that you have
 defined based on the coordinates in the pdb file, you can use
 something like:

 // This draws a sphere of radius 1 at the origin of your .pdb
 coordinate system
 sphere { 0, 1 SET_PYMOL_VIEW( PYMOL_VIEW )) }

 For more extensive information, read the first section of the file. If
 things are still unclear, feel free to contact me. And if you find
 that you've managed to do really cool stuff with it, please let me
 know :)


 Hope it helps,

 Tsjerk

 On Wed, Feb 17, 2010 at 5:07 PM, Gabriela Schlau-Cohen
 gsad...@hotmail.com wrote:
 Hi all,

 I am trying to load a pymol graphic into povray and then add on
 geometric
 objects.? I exported and loaded the molecular model from pymol
 successfully
 using the make_pov.py script from the wiki. ?I can then copy and
 paste that
 file into povray to generate the molecules through povray. ?Then,
 when I
 save the object in pymol to get the molecular coordinates, the
 coordinates
 are in a different system.
 Can someone tell me how to get the molecular coordinates and a
 povray file
 in the same coordinate system?
 Thanks,
 Gabriela
 
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 Message: 2
 Date: Thu, 18 Feb 2010 16:36:40 -0500
 From: Jason Vertrees jason.vertr...@schrodinger.com
 Subject: [PyMOL] FreeMOL
 To: 

Re: [PyMOL] Pymol and APBS

2010-04-15 Thread Shiven Shandilya
Hi Jon,

Perhaps you could look at VASCo  http://genome.tugraz.at/VASCo/

I have found it to work extremely well on Windows and Linux platforms.
You not only get electrostatics but also hydrophobic surface coloring, and
all without the APBS and Python hassles and headaches.

Sorry to be knocking down APBS+PyMOL integration like this, but IMHO VASCo
does a stellar job as far as integrating outside programs with PyMOL goes.

Good luck!

Best,
Shiven


On Thu, Apr 15, 2010 at 12:01 AM, J. Fleming moloch...@gmail.com wrote:

 Hi all,

  I've been trying to get APBS Tools and/or APBSTools2 running for a
 few weeks now on multiple linux systems (RedHat and Fedora).  I've
 Installed MALOC and APBS Tools.  I can start up Pymol through Phenix,
 load a .pqr generated from a PDB2PQR server, start APBS Tools, set the
 grid, but when I click on Run APBS I get: ObjectMapLoadDXFile-Error:
 Unable to open file!

  If I use the pymol generated PQR option with my .pqr even though
 it is a PDB2PQR server generated file APBS runs and states X atoms
 did not have properties assigned and to either remove or fix the
 atoms.  How can I fix them?  The problem residues are just regular
 amino acids; no split confrimations etc.  I've also tried editing out
 the PDBs chain name before converting to the PDB to PQR but that
 didn't work.

 Another things I've tried is using APBSTools 2 but it errors as soon
 as I click set grid with: Error: 2 ... Attribute Error: elec_radius.

 I really need to get this to work but I have no clue what to try next.

 Thanks in advance for any thoughts.
 -Jon


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Re: [PyMOL] Pymol and APBS

2010-04-15 Thread Shiven Shandilya
Dear Michael,

First, let me thank you for your time and effort in providing the community
with your contributions. I do sincerely appreciate your hard work and your
willingness to share it with us all. Without the contributions of users such
as yourself, PyMOL's stature and utility would be far less than what it is
now.

I have used the APBS plugin in the past, successfully and without problems.
And yes, it has been helpful in solving the problem(s) at hand.

As for the knocking down, it was more of a comparison with VASCo than a
direct criticism of your work. I am no expert at programming PyMOL/python
plugins but I have used quite a few over the years. All I speak is from my
own user experience when I say that some plugins work better than others.
VASCo, in my experience, happens to belong to the better category.


Now why the better plugins work the way do may depend on many factors but
some that I feel important are listed below (nothing specifically
for/against the APBS plugin).

I only speculate when I write the following, but in hopes that it may be
considered constructive feedback:

(1). Whenever possible, farm out the heavy lifting to external executables
(apbs, python scripts, black magic shamans etc.)...

(2). Clearly ask for all the defaults a user must specify at first run
(executable location, temporary directory, other knick-knacks your plugin
requires) Do not allow execution to begin unless you are reasonably sure
you have everything needed to properly finish the job.

(3). And, for heaven's sake, save those user-specified defaults for the rest
of posterity in a location (pymolrc, yourpluginrc) that your plugin can
always find... never, ever make a user specify such mundane things over and
over again... nothing kills the user experience quicker than that.

(4). Overwrite result files only if you have to... create a new directory
for every new run (and clearly display the location)...
Remember, (storage) space is cheap and (a user's) time is expensive, respect
that.

(5). If possible, give the users a clear indication of the status of the
back-end job doing the heavy lifting...

(6). Once you are done running the back-end job(s), prompt the user
immediately and (if agreed) automatically load the results.

(7). If your back-end job fails, parse the error in your plugin and inform
the user where in the entire process the error occurred, why it may have
occurred and what the user should do to prevent this error from occurring
again. If it is an error your plugin does not understand let the user know,
clearly and loudly.  If an error log file, hopefully text, was written,
specify its location (full path) in your error prompts. Prefrably, display
that error file in the system %editor% so that the user does not have to go
hunting for it.

...and I'll leave it at that...  ;-)

I welcome your feedback and views of other community members on this.

Thank you!

With best regards,
Shiven

P.S.  Apologies again if my criticism hit a personal note. Like everyone
else writing to the list and answering questions, my aim was to help a
fellow user get that job done.


---


On Thu, Apr 15, 2010 at 12:00 PM, Michael Lerner mgler...@gmail.com wrote:



 On Thu, Apr 15, 2010 at 10:30 AM, Shiven Shandilya 
 shiven.shandi...@gmail.com wrote:

 Sorry to be knocking down APBS+PyMOL integration like this, but IMHO VASCo
 does a stellar job as far as integrating outside programs with PyMOL goes.


 I initially wrote the PyMOL/APBS plugin for my own use and I now
 maintain/develop it as a community resource in my limited free time. Despite
 this, several hundred users (at least) have found it quite helpful in their
 research, and I've included many newer features based on their feedback. The
 plugin is certainly not perfect, and I don't mind people knocking it down,
 but I appreciate it when that knocking down comes with constructive
 feedback.

 Additionally, unlike VASCo, the PyMOL/APBS/PDB2PQR toolchain is provided as
 completely free and open source suite of programs. For many reasons, I
 believe that free and open source software is vital to to good science. I
 would strongly urge users to consider such issues before settling on a suite
 of software products, especially when you're already working with programs
 like PyMOL and APBS.

 Cheers,

 -Michael



 Good luck!

 Best,
 Shiven



 On Thu, Apr 15, 2010 at 12:01 AM, J. Fleming moloch...@gmail.com wrote:

 Hi all,

  I've been trying to get APBS Tools and/or APBSTools2 running for a
 few weeks now on multiple linux systems (RedHat and Fedora).  I've
 Installed MALOC and APBS Tools.  I can start up Pymol through Phenix,
 load a .pqr generated from a PDB2PQR server, start APBS Tools, set the
 grid, but when I click on Run APBS I get: ObjectMapLoadDXFile-Error:
 Unable to open file!

  If I use the pymol generated PQR option with my .pqr even though
 it is a PDB2PQR server generated file APBS runs and states X atoms
 did not have properties

Re: [PyMOL] for evaluation only

2010-04-29 Thread Shiven Shandilya
hi victor,

if you are on windows and need the latest pymol version, please take a look
at christoph's pymol builds (thanks christoph!):

http://www.lfd.uci.edu/~gohlke/pythonlibs/#pymol

best,
shiven

On Thu, Apr 29, 2010 at 6:32 PM, Nathaniel Echols 
nathaniel.ech...@gmail.com wrote:

 On Thu, Apr 29, 2010 at 3:03 PM, victor kenyon vicken...@gmail.comwrote:

 i am an academic using pymol and the new build places a for
 evaluation only graphic on top of the rendered structure. not very
 helpful for presentations, publications and the like. how do i
 circumvent this without using chimera to generate my images for pubs.


 Use the open-source version, I would be very surprised if that overlays
 anything.   Or download one of the builds of version 0.99, which is missing
 some nifty features but still more than adequate for publication graphics as
 long as you don't need to show anisotropic Bs.

 http://www.pymol.org/rel/099/


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Re: [PyMOL] New MacPros and PyMOL - Radeon only?

2010-09-29 Thread Shiven Shandilya
Dear Jason,

I strongly support Adam's suggestion that the PyMOL website and the Wiki
display a clear warning to people planning on using PyMOL with ATI/AMD
graphics card. I have had numerous issues with ATI graphics cards + PyMOL
over the years and nVidia is unquestionably the better choice when it comes
to running professional OpenGL intensive software (like PyMOL and Blender)
on Linux or Mac OS.

Best regards,
Shiven



On Wed, Sep 29, 2010 at 11:07 AM, H. Adam Steinberg a...@steinbergs.uswrote:

 Hi All,

 I bought a new MacPro and now get this message when I open PyMOL:

 Note: Radeon HD cards tend not to run PyMOL well.
 Use nVidia or Intel instead, if OpenGL glitches occur.
 Attempting to compensate for known issues...

 So the new Macs only come with Radeon video cards... there are no other
 choices with a Mac. This means the MacPros no are no longer a good platform
 for running PyMOL? I just tossed $3K down the drain?

 I tried to render the surface of 3L5Q and PyMOL just crashes (6GB RAM). I
 tried to render just the top half and it still crashes.

 What are the OpenGL glitches that occur, are they documented somewhere?
 What does PyMOL do to compensate?

 I checked the PyMOL web site and under the supported operating systems and
 hardware there is no mention of the lack of Radeon support/poor Radeon
 performance. Maybe that should be added because I wouldn't have bought this
 new Mac if I would have known this. Is there anything I can do to make this
 new machine work?

 I see a 64-bit version is on the horizon, will this address Radeon
 performance or should I go back to my old MacPro with it's nVidia 7300 video
 cards?

 H. Adam Steinberg
 7904 Bowman Rd
 Lodi, WI 53555
 608/729-5944



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[PyMOL] GLSL Shaders

2012-06-14 Thread Shiven Shandilya
Hi fellow PyMOLers,


Thought some of you may be interested in this:

http://pymolwiki.org/index.php/GLSL_Shaders


Test, improve, share ...  :-)


Cheers!!

-- Shiven

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Re: [PyMOL] Real-time black and white view possible?

2014-06-12 Thread Shiven Shandilya
Hi Martin,

I guess you can do this using modified GLSL shaders …

Two examples I posted on the PyMOL wiki a while ago:
http://www.pymolwiki.org:/index.php/GLSL_Shaders

Best,
Shiven


On Jun 12, 2014, at 5:10 PM, Martin Hediger ma@bluewin.ch wrote:

 Hi all
 
 I wonder if it's possible to have something like ray_trace_mode, 2 (i.e. 
 black and white with outlines) but in the interactive view. Also, is it 
 possible to have part of the structure in color (say some active site 
 amino acids) and the rest in black and white?
 
 Thanks for help
 Martin
 
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Re: [PyMOL] Cel shading in PyMOL

2015-01-13 Thread Shiven Shandilya

Hi Jacob,

If you have the right mix of display drivers and Pymol version, you can try 
GLSL shaders.

http://www.pymolwiki.org/index.php/GLSL_Shaders

Unfortunately, it does not work flawlessly across platforms and I have not 
invested any more time figuring it out because the shader system in Pymol still 
appears to be a work-in-progress.

Best,
Shiven


Shivender Shandilya,
Senior Post-Doc,
Schiffer Lab,
Dept. of Biochemistry  Molecular Pharmacology,
University of Massachusetts Medical School.
Worcester, MA 01605.


 On Jan 13, 2015, at 9:39 AM, Thomas Holder thomas.hol...@schrodinger.com 
 wrote:
 
 Hi Jacob  Osvaldo,
 
 the ray tracer has cel shading as ray trace mode 3.
 
 PyMOL set ray_trace_mode,  3
 PyMOL ray
 
 See also:
 http://pymolwiki.org/index.php/Ray#Modes
 
 Hope that helps.
 
 Cheers,
  Thomas
 
 On 13 Jan 2015, at 08:07, Osvaldo Martin aloctavo...@gmail.com wrote:
 
 Hi Jacob,
 
 What about the Goodsell-like representation from here?
 
 Cheers,
 
 Osvaldo.
 
 On Tue, Jan 13, 2015 at 7:29 AM, Jacob Lewis jl...@uowmail.edu.au wrote:
 
 Hi all,
 
 Has anyone figured out a good way to do Cel shading in pymol? Or even the 
 sort of variables to play with?
 
 Cheers,
 
 Jacob
 
 -- 
 Thomas Holder
 PyMOL Principal Developer
 Schrödinger, Inc.
 
 
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