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Date: Mon, 17 May 1999 03:25:37 -0700
From: Juan Frau Munar <juan@originqf.uib.es>
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Subject: SUMMARY: Animations in Power Point
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-- 

Juan Frau Munar
Universitat Illes Balears
Departament de Quimica
Palma de Mallorca - 07071
Baleares. Spain

email: juan@originqf.uib.es
fax:  971 - 173426
telf: 971 - 173254

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Message-ID: <373FEB87.31D2@originqf.uib.es>
Date: Mon, 17 May 1999 03:12:23 -0700
From: Juan Frau Munar <juan@originqf.uib.es>
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Juan Frau Munar wrote:

Hello everybody,
>
> This is the list of messages I got about animations in Power Point.
>
> Thanks everybody.
>
> The original question was:
>
> On Monday, May 10, 1999 3:11 AM, Juan Frau Munar
> [SMTP:juan@originqf.uib.es] wrote:
> > Hello everybody
> >
> > I would like to have an active molecule in a Power Point?s slide. We
> > would like to get the molecule rotating 360o during the presentation.
> > It is something similar to the animations we can see on the web (MDL
> > format). Any ideas?
> >
> > Thanks in advance.
> >
> > Juan Frau
> >
> >
> > Juan Frau Munar
> > Universitat Illes Balears
> > Departament de Quimica
> > Palma de Mallorca - 07071
> > Baleares. Spain
> >
> > email: juan@originqf.uib.es
> > fax:  971 - 173426
> > telf: 971 - 173254
>
> >     ---------------------------------------------------------------
> >
> > Subject: Re: CCL:Animations in Power Point
> > Date: Tue, 11 May 1999 11:03:34 -0500 (CDT)
> > From: HUTCHINSC@RAND.PPRD.Abbott.Com
> > Organization: Abbott Laboratories
> > To: juan
> >
> > Juan,
> >
> >    We have just been dealing with the same problem.  Our solution:
> > 1) use imgsnap or snapshot to get an rgb image from the SG.
> > 2) rotate the molecule and repeat.  We do 12 images with 5 degrees between
> >    frames.
> > 3) then create an animated GIF file with the 12 going forward then have
> >    the twelve in reverse order to give a 24 frame rocking motion animated gif
> >    file.
> >
> >    One way to do this is to use Ulead GIF Animator from www.webutilities.com
> >
> > 4) Then read the animated GIF into GIF Animator and export a video .avi file.
> >    This can be inserted into Powerpoint 97.  During a slide show the animation
> >    can start with a mouse click.  Use Edit Movie Object for looping.
> >
> >    I hope the direction are clear; this works for us.
> >
> >    Sorry for the bad typing and Good Luck!
> >
> >      Charlie
> >
> >     ---------------------------------------------------------------
> >
> > Subject: RE: Animations in Power Point
> > Date: Tue, 11 May 1999 09:08:55 -0700
> > From: John Wintersteen <johnw@msi.com>
> > Organization: Molecular Simulations Inc.
> > To: "'Juan Frau Munar'" <juan>
> >
> > Dear Juan,
> >
> > The WebLab Viewer from Molecular Simulations may be just the application
> > for you.  Because the WebLab Viewer is OLE2 compliant, you can embed a
> > molecule object into a document from other desktop applications like Word,
> > Excel, and Power Point. Once embedded, double clicking on the object "in
> > place" activates it, giving you access to the WebLab Viewer tool bars and
> > commands from within the other application, so that you can interactively
> > spin, rotate, change rendering, or otherwise manipulate the structure.
> >
> > Both the WebLab ViewerLite (freeware) and WebLab ViewerPro can be
> > downloaded from MSI's web site at the following address:
> > http://www.msi.com/viewer
> >
> > Regards,
> >
> > John Wintersteen
> > Product Manager, WebLab Viewer Products
> > Molecular Simulations Inc..
> > 9685 Scranton Road
> > San Diego, CA 92121
> >
> >
> >     ---------------------------------------------------------------
> >
> > Subject: Re: CCL:Animations in Power Point
> > Date: Tue, 11 May 1999 11:19:54 -0500
> > From: Abby Parrill <aparrill@memphis.edu>
> > Organization: University of Memphis
> > To: Juan Frau Munar <juan>
> > References: <3736B0C3.167E@originqf.uib.es>
> >
> > Juan,
> >
> >   You will have to record an animation in a format that can be inserted
> > into PowerPoint (on a Mac that format is QuickTime, not so sure about
> > PC's).  The Ball&Stick program will record animations in QuickTime
> > format.
> >
> > Regards,
> > Abby
> >
> >
> > _____________________________________________
> >
> > Abby L. Parrill                 (901)678-2638
> > Assistant Professor             (901)678-3447
> > Department of Chemistry
> > University of Memphis
> > Memphis, TN  38152       aparrill@memphis.edu
> >
> > Computational Research on Materials Institute
> > at The University of Memphis (CROMIUM)
> > _____________________________________________
> >
> >
> >     ---------------------------------------------------------------
> >
> > Subject: Re: CCL:Animations in Power Point
> > Date: Tue, 11 May 1999 09:39:51 -0700
> > From: "Jeffrey L. Nauss" <jnauss@msi.com>
> > To: Juan Frau Munar <juan>
> >
> >
> > WebLab Viewer from MSI
> > (http://www.msi.com/solutions/products/weblab/viewer/index.html) can allow
> > interactive molecular graphics to be included into PowerPoint presentations.
> >
> > --
> > Jeffrey L. Nauss, PhD           Phone: (619) 799-5555
> > Product Specialist, Simulations Fax: (619) 458-0136
> > Molecular Simulations Inc.              E-mail: jnauss@msi.com
> > 9685 Scranton Road
> > San Diego, CA 92121
> >
> >     ---------------------------------------------------------------
> >
> > Subject: Re: CCL:Animations in Power Point
> > Date: Tue, 11 May 1999 20:25:33 +0200
> > From: Jordi Villa <jvilla@imim.es>
> > To: Juan Frau Munar <juan>
> > References: <3736B0C3.167E@originqf.uib.es>
> >
> > Once you get the frames for the movie you can combine them with the
> > GIFCON program in a single movie. This might work. I am sorry I do not
> > have any web address for GIFCON.
> >
> > Jordi
> >
> >
> > --
> > Jordi Vill`a
> > Research Group on Medical Informatics
> > Carrer del Doctor Aiguader 80
> > E-08003 Barcelona
> > Tlf: 34-93-2211009           Fax: 34-93-2213237
> > jvilla@imim.es         http://www1.imim.es/~jvilla
> >
>     ---------------------------------------------------------------
>
> Subject: Re: CCL:Animations in Power Point
> Date: Tue, 11 May 1999 11:37:33 -0700 (PDT)
> From: Roy Jensen <royj@UVic.CA>
> To: Juan Frau Munar <juan>
>
> Juan
>
> PowerPoint can present videos in AVI format.
>
> Does the program you use to visualize the molecule have the capability of
> making videos in AVI or MPEG format? There are several conversion
> utilities on the 'net if only MPEG. Microsoft Camcorder (distributed with
> Office 97) can record off the screen to make a video that can be
> subsequently edited. [This information obtained from the PowerPoint help
> menu.]
>
> Roy Jensen
>
>     ---------------------------------------------------------------
>
> Subject: CCL:Animations in Power Point
> Date: Tue, 11 May 1999 12:20:20 -0700 (PDT)
> From: Eugene Leitl <eugene.leitl@lrz.uni-muenchen.de>
> To: Juan Frau Munar <juan>
> References: <3736B0C3.167E@originqf.uib.es>
>
> Instead of kludging yourself around a proprietary format, why not
> using mpg?
>
> Regards,
> Eugene Leitl
>
>     ---------------------------------------------------------------
>
> Subject: Re: CCL:Animations in Power Point
> Date: Wed, 12 May 1999 09:48:48 +0900
> From: Kazuo Teraishi <kazuo@zeon.co.jp>
> To: Juan Frau Munar <juan>
> References: <3736B0C3.167E@originqf.uib.es>
>
> Hello Juan
>
> I have done exactly what you want using Chem3D on Macintosh.
> Chem3D can rotate the molecule 360 deg. with a given angle step
> (you can change the smoothness by changing the step size).
> Then you can save it as a QuickTime movie. Then insert the movie
> on your PowerPoint slide. You can initiate the animation either opening
> that page or clicking once on the page depending on your favor.
>
> --
> Kazuo Teraishi; Dr.
> Nippon Zeon Co. Ltd.
>
>     ---------------------------------------------------------------
>
> Subject: Re: CCL:Animations in Power Point
> Date: Wed, 12 May 1999 12:15:57 +1000
> From: "Kieran F Lim (Lim Pak Kwan)" <lim@deakin.edu.au>
> To: Juan Frau Munar <juan>
>
> Juan Frau
>
> I create such animations using Chem3D (from Cambridge Soft, the folk
> who also make ChemDraw) and then save the animation as a Quicktime movie.
> this can be inserted into PowerPoint using
>   insert --> movies
>
> unfortunately the Office 97 version of PowerPoint (for PC's) does NOT
> support Quicktime so this will only work for Office 95 (and earlier)
> or on Macintoshes (all versions including Office 98).
>
> Kieran
> ------------------------------------------------------------
>  Dr Kieran F Lim             Biol. and Chemical Sciences
>  (Lim Pak Kwan)              Deakin University
>  ph:  + [61] (3) 5227-2146   Geelong          VIC   3217
>  fax: + [61] (3) 5227-1040   AUSTRALIA
>  mailto:lim@deakin.edu.au    http://www.deakin.edu.au/~lim
>
>     ---------------------------------------------------------------
>
> Subject: CCL:Animations in Power Point
> Date: Wed, 12 May 1999 07:52:08 +0300
> From: Jan Dillen <jlmd@maties.sun.ac.za>
> Organization: University of Stellenbosch
> To: Juan Frau Munar <juan>
> CC: CHEMISTRY@ccl.net
> References: <3736B0C3.167E@originqf.uib.es>
>
> >
> Try MSI's WebLab Viewer (http://www.msi.com).
>
> Greetings
>
> Jan Dillen.
>
>     ---------------------------------------------------------------
>
> Subject: Re: CCL:Animations in Power Point
> Date: Wed, 12 May 1999 09:21:44 +0100
> From: Mark Forster <mforster@nibsc.ac.uk>
> Organization: NIBSC
> To: Juan Frau Munar <juan>
> References: <3736B0C3.167E@originqf.uib.es>
>
> Dear Juan
>
> If it has to be powerpoint then try the free Weblab ViewerLite from MSI
> at the web site http://www.msi.com/download/index.html This allows OLE
> to be used to embed a molecule into a Word/Powerpoint/Excel document.
>
> For a non Microsoft specific solution used an animated GIF in a web page.
>
> Hope this helps.
>
> Mark
>
> --
>
>   Dr Mark J Forster Ph.D.
>   Principal Scientist
>   Informatics Laboratory
>   National Institute for Biological Standards and Control
>   Blanche Lane, South Mimms,
>   Hertfordshire EN6 3QG, United Kingdom.
>
>   Tel  +44 (0)1707 654753
>   FAX  +44 (0)1707 646730
>   E-mail  mforster@nibsc.ac.uk
>
>     ---------------------------------------------------------------
>
> Subject: Re: CCL:Animations in Power Point
> Date: Wed, 12 May 1999 14:28:10 -0500
> From: Amit Kulkarni <akulka1@uic.edu>
> To: Jan Dillen <jlmd@maties.sun.ac.za>, Juan Frau Munar <juan>
> CC: CHEMISTRY@ccl.net
> References: <3736B0C3.167E@originqf.uib.es>
>
> How do you import the moving object from weblab viewer to powerpoint?
>
>
>     ---------------------------------------------------------------
>
> Subject: CCL:Animations in Power Point
> Date: Thu, 13 May 1999 09:13:41 +0300
> From: Jan Dillen <jlmd@maties.sun.ac.za>
> Organization: University of Stellenbosch
> To: CHEMISTRY@ccl.net
> CC: Amit Kulkarni <akulka1@uic.edu>
> References: <3736B0C3.167E@originqf.uib.es> <199905121931.OAA29161@email1.cc.uic.edu>
>
> Amit Kulkarni wrote:
> >
> > How do you import the moving object from weblab viewer to powerpoint?
> >
>
> 1. I am using the "ViewerPro" version. You pay for it, but I find
>    it a good investment. My understanding is that the
>    difference with the free "ViewerLite" version is that the latter
>    does not have the capability to sketch & build molecules.
> 2. Load (or build) the molecule in WebLab
> 3. Select it
> 4. Edit:Copy
> 5. Go to Powerpoint
> 6. Edit:Paste Special. This inserts an OLE object.
> 7. Selecting the OLE object activates WebLab in the background. You
>    can now rotate, zoom, translate and even sketch (at least with
> ViewerPro).
>
> Jan.
>     ---------------------------------------------------------------
>
> Subject: CCL:Animations in Power Point
> Date: Thu, 13 May 1999 11:18:10 +0300
> From: Jan Dillen <jlmd@maties.sun.ac.za>
> Organization: University of Stellenbosch
> To: Amit Kulkarni <akulka1@uic.edu>
> CC: CHEMISTRY@ccl.net
> References: <3736B0C3.167E@originqf.uib.es> <199905121931.OAA29161@email1.cc.uic.edu>
>
> Amit Kulkarni wrote:
> >
> > How do you import the moving object from weblab viewer to powerpoint?
> >
>
> As an afterthought I should add that my copy & paste solution may
> give you too much of an "active" molecule.
>
> I you only want a rotating molecule without any need for additional
> manipulation, then an animated GIF should do the trick. I have
> used WWW Gif Animator 1.1 in the past, and it works well.
>
> Jan.
--
-- 

Juan Frau Munar
Universitat Illes Balears
Departament de Quimica
Palma de Mallorca - 07071
Baleares. Spain

email: juan@originqf.uib.es
fax:  971 - 173426
telf: 971 - 173254

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From chemistry-request@server.ccl.net  Mon May 17 07:34:24 1999
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Date: Mon, 17 May 1999 15:31:51 -0700
From: kyn@camdedu9.soongsil.ac.kr (Ky-Youb Nam)
Message-Id: <199905172231.PAA05680@camdedu9.soongsil.ac.kr>
To: CHEMISTRY@ccl.net
Subject: Cavitation free energy


Dear CCLers,

Recently, I calculated relative hydration free energy by molecular dynamics.
The relative hydration free energy was corrected by cavitation free energy.
I don't know it is right.
    The relative hydration free energy = d(total energy) + d(cavitation energy)

I think the term of caviation energy is included in explicity NPT simulation.

I want to know " Is the term of caviation energy included in MD simulation?"

or must include the term of caviation energy for correcting hydration free energy.

        Thank you for your kind attention.


Yours sincerely,

Ky-Youb Nam

From chemistry-request@server.ccl.net  Mon May 17 14:49:26 1999
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Date: Mon, 17 May 1999 14:48:21 -0400
To: chemistry@ccl.net
From: "Dr. Gloria I. Cardenas-Jiron" <gcardena@lauca.usach.cl>
Subject: Summary Correlation Electronic 

Thank you very much to all who replied.

The question was:

Are there some way to fix the spin in MP or DFT calculations using for
example the ROHF command? 

Answers:
1.- You are correctly concerned about UHF.
It is possible to project the UHF wavefunction to get rid of
contamination by higher multiplicities, but this changes the
wavefunction, and is something I would not recommend.
Although Gaussian does not do UHF/MP2 calculations, there
are other software packages that do.  I would suggest that
you investigate these.  Good luck.  Janet Del Bene 

2.- the syntax is ROB3LYP / UB3LYP for example in case of the B3LYP
functional. Omitting of RO / U defaults to the unrestricted
wavefunction.

Cheers,

Dominik 

3.- Just say ROMP2 or ROB3LYP. 
Artem

4.- Try ROMP2 or ROBLYP or whatever the functional you want preceded by "RO"

Kazuo Teraishi; Dr.
Nippon Zeon Co. Ltd.

5.-  From: lorentzian.com!csd@lorentzian.com (Cust. Service Doug)

 Gloria,

   Gaussian 98 does not implement traditional correlation methods for
ROHF references with the exception of ROMP2 energies.  There are certainly
approaches for doing this but the theory is subtantially more complicated.
We have plans for development of the Brueckner Doubles method which does
a very good job of removing spin contamination in UHF reference wavefunctions
but this will not be available until a future major release of Gaussian.

   DFT methods can be done with RO- constraints.  In place of U you can
specify RO to get methods like ROB3LYP for open shell solutions.  For most
pure DFT functionals, i.e. BLYP or BPW91, spin contamination is small and
application of HF style methods to remove it cause more problems than they
solve.  The hybrid style functionals, B3LYP, do inherit contamination from
the the HF exchange contribution.

   With G98 the method which does best at correcting spin contamination is
QCISD and adds the option of gradients.  CCSD and the triples corrections
are good for cases where you can get by with just energies.  

6.- Hola Gloria,

La mejor forma de tratar el problema de la correlacion electronica cuando
uno tiene metales de transicion es usar una funcion CASSCF como punto de
partida. La contaminacion de spin que tiene en una funcion UHF (RHF o DFT)
no la puedes eliminar completamente (se puede proyectar el primer
contaminante, pero siempre queda bastante) y ademas, se amplifica por el
MP2. Un RHOF/MP2 puede no tener contaminacion de spin, pero tu funcion de
onda de partida puede participar con un 80% o menos en la expansion MP2,
lo que provoca grandes fluctuaciones en la estimacion de la energia de
correlacion electronica y grandes errores en propiedades como energias de
reaccion, geometrias, frecuencias de vibracion, ... todo lo que dependa de
tener siempre la misma cantidad de energia de correlacion incorporada en
tu expansion MP2.

Volviendo al principio, si tu problema es de metales de transicion (y
sobre todo con capas abiertas) usa una funcion CASSCF, al menos.

Si tienes alguna duda escribe, intentare contestar pronto.

Saludos, Antonio Marquez

7.- Hi Gloria,
Gamess (http://www.msg.ameslab.gov/GAMESS/GAMESS.html) does do MP2 on
a ROHF wavefunction. I used it, it works great.

Greetings,   Gert

8.- Hie,

You could use ROMP2. It is based on a restricted wave function.

Cheers,

  Theis Soelling

9.- Hola Gloria,
 
Respecto a spin-contamination es un problema mayor ya que los tratamientos
UHF siempre sobreestiman el spin.  En el caso relativista (Dirac) para
open-shell systems este no es problema.
Debes recordar que spin  esta definido solamente en la Teoria de Dirac y no
en la de Schrodinger.

Saludos cordiales,

Ramiro Arratia Perez, Ph.D.






Dr. Gloria I. Cardenas-Jiron 
Facultad de Quimica y Biologia,
Universidad de Santiago de Chile, 
Santiago, CHILE. 

From chemistry-request@server.ccl.net  Tue May 18 01:21:11 1999
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Date: Tue, 18 May 1999 08:16:36 +0300
From: Maija Lahtela <mlahtela@csc.fi>
X-Sender: mlahtela@voxopm.minedu.fi
To: chemistry@ccl.net
Subject: Free softwares for modelling loop of protein
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Dear CCLers,

I am interested in modelling a loop of protein. I have generated
different conformations for a loop in a known protein using
commercial software (Insight). However, I would like to generate a loop
with free academic software. I would appreciate your help in my
problem.  



Yours sincerely,

Maija Lahtela-Kakkonen

***************************************
Maija Lahtela-Kakkonen
Researcher
CSC-Center for Scientific Computing
Tekniikantie 15 a D
P.O.Box 405
FIN-02101 ESPOO FINLAND
TEL 358-9-4572079
FAX 358-9-4572302
E-MAIL mlahtela@csc.fi
***************************************

From chemistry-request@server.ccl.net  Tue May 18 10:33:29 1999
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From: d.turner@sheffield.ac.uk
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Date: Tue, 18 May 1999 15:28:59 +0100
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Subject: SOMFA (sic) and CoMFA 3D-QSAR
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Hello

Has anyone looked at SOMFA from Graham Richards group?
(JMedChem,1999,42,573-583).

It appears to me that the "new" method described is equivalent
to extracting the first PLS latent variable (LV) and no more; ie SOMFA
r2 = COMFA PLS LV_1 r2 (for identical fields, resolution
and other set up parameters). 

If I am right then the method is surely limited since many 3D-QSAR
models use >one LV?!

Can anyone confirm (or deny) my opinion?

David Turner


Dr David Turner
Dept of Information Studies, Sheffield University
Sheffield, S10 2TN          Tel. 0114 2 222 650
E-mail: D.Turner@sheffield.ac.uk
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From: "David E. Bernholdt" <bernhold@npac.syr.edu>

I'm curious what people think about using XML for the output of
chemistry programs?  I'd appreciate your response to the scenarios I
present below.

Lets imagine its a year or two into the future, and you have an
XML-capable browser that's as loaded with features as your current
HTML browser.

You run a chemistry code -- say an SCF calculation, to be concrete.
Would you prefer that the primary output of this program be in plain
text, as nearly all packages I'm familiar with now produce, or would
you prefer it to be thoroughly marked-up XML?

The plain text version may be more compact if you page through it
using more, or look at it in a text editor, but if you take the XML
version, you have all the capabilities of the browser to help you.
You could apply different style sheets to highlight different parts of
the output.  By judicious use of styles & applets, you might even be
able to have the molecular geometry rendered with a 3-d viewer, or
visualize orbitals, etc.

Do the increased presentational possibilities made possible by using
XML offset the additional complexity/length of the output file and the
need to have an XML browser to view it properly?

Now consider the fact that you could also use commodity XML tools to
parse the output file & extract specific items for further processing
-- perhaps to be stored into a database, a spreadsheet, etc.

Does this make XML worthwhile as the primary output format of a
chemistry package?

How about if the XML conformed to a standardized schema that was used
by _all_ SCF programs, so that they all marked up their output the
same way?  How about if all electronic structure programs conformed to
the same schema?  Or the unlikely possibility that there was a schema
which encompassed "all" chemistry software?

What would it take, in your opinion, for XML-based output to be
preferrable to the current-day plain text output?

Thanks for your thoughts.
--
David E. Bernholdt                      | Email:  bernhold@npac.syr.edu
Northeast Parallel Architectures Center | Phone:  +1 315 443 3857
111 College Place, Syracuse University  | Fax:    +1 315 443 1973
Syracuse, NY 13244-4100                 | URL:    http://www.npac.syr.edu
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Date: Tue, 18 May 1999 11:56:11 +36000
From: Richard Wood <dmpc@hugh.chem.uic.edu>
To: "David E. Bernholdt" <bernhold@npac.syr.edu>
cc: chemistry@ccl.net, bernhold@npac.syr.edu
Subject: Re: CCL:XML as program output?
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I think text is preferable to any other format, IMO, now or in the future.
If one needs xml or another format, one can just add the appropriate tags 
as needed.



On Tue, 18 May 1999, David E. Bernholdt wrote:

> I'm curious what people think about using XML for the output of
> chemistry programs?  I'd appreciate your response to the scenarios I
> present below.
> 
> Lets imagine its a year or two into the future, and you have an
> XML-capable browser that's as loaded with features as your current
> HTML browser.
> 
> You run a chemistry code -- say an SCF calculation, to be concrete.
> Would you prefer that the primary output of this program be in plain
> text, as nearly all packages I'm familiar with now produce, or would
> you prefer it to be thoroughly marked-up XML?
> 
> The plain text version may be more compact if you page through it
> using more, or look at it in a text editor, but if you take the XML
> version, you have all the capabilities of the browser to help you.
> You could apply different style sheets to highlight different parts of
> the output.  By judicious use of styles & applets, you might even be
> able to have the molecular geometry rendered with a 3-d viewer, or
> visualize orbitals, etc.
> 
> Do the increased presentational possibilities made possible by using
> XML offset the additional complexity/length of the output file and the
> need to have an XML browser to view it properly?
> 
> Now consider the fact that you could also use commodity XML tools to
> parse the output file & extract specific items for further processing
> -- perhaps to be stored into a database, a spreadsheet, etc.
> 
> Does this make XML worthwhile as the primary output format of a
> chemistry package?
> 
> How about if the XML conformed to a standardized schema that was used
> by _all_ SCF programs, so that they all marked up their output the
> same way?  How about if all electronic structure programs conformed to
> the same schema?  Or the unlikely possibility that there was a schema
> which encompassed "all" chemistry software?
> 
> What would it take, in your opinion, for XML-based output to be
> preferrable to the current-day plain text output?
> 
> Thanks for your thoughts.
> --
> David E. Bernholdt                      | Email:  bernhold@npac.syr.edu
> Northeast Parallel Architectures Center | Phone:  +1 315 443 3857
> 111 College Place, Syracuse University  | Fax:    +1 315 443 1973
> Syracuse, NY 13244-4100                 | URL:    http://www.npac.syr.edu
> -= This is automatically added to each message by mailing script =-
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> 
> 
> 
> 
> 
From chemistry-request@server.ccl.net  Tue May 18 15:26:16 1999
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Date: Tue, 18 May 1999 21:19:25 +0200
From: Gerald Loeffler <Gerald.Loeffler@vienna.at>
Organization: Apollo Imaging
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Hi chemistry-XMLers !

David presents an excellent example, although, IMHO his phrasing is
misleading. The _real_ question is whether to go for XML-conformant
text-output or for unstructured/arbitrarily structured text-output of
chemistry programs. Because XML code _is_ text, i.e. by simply using a
plain text editor XML code is as readable and understandable by humans
as any other text-output can be. It is only for visually pleasing
presentation that you need a helper-application such as a XML-capable
web-browser!

The _real_ advantage of XML over arbitrarily structured text-output is
the fact that XML is easily parseable and, what's more, the
meta-information on how to legally form a specific class of
XML-documents (e.g. the SCF-output of a Gaussian-run) is standardized
and easily parseable as well.

These advantages don't even require a commonly agreed-upon format for
equivalent information. I.e. Gaussian and its competitors might (and
probably will (-: ) output SCF-results as XML-documents of a different
type. The interconversion, however, is much more straightforward than
now, because 1) the parsing-problem does not exist and 2) there is a
strict definition of how the different formats may look like.

	just my $0.02,
	gerald

"David E. Bernholdt" wrote:
> 
> I'm curious what people think about using XML for the output of
> chemistry programs?  I'd appreciate your response to the scenarios I
> present below.
> 
> Lets imagine its a year or two into the future, and you have an
> XML-capable browser that's as loaded with features as your current
> HTML browser.
> 
> You run a chemistry code -- say an SCF calculation, to be concrete.
> Would you prefer that the primary output of this program be in plain
> text, as nearly all packages I'm familiar with now produce, or would
> you prefer it to be thoroughly marked-up XML?
> 
> The plain text version may be more compact if you page through it
> using more, or look at it in a text editor, but if you take the XML
> version, you have all the capabilities of the browser to help you.
> You could apply different style sheets to highlight different parts of
> the output.  By judicious use of styles & applets, you might even be
> able to have the molecular geometry rendered with a 3-d viewer, or
> visualize orbitals, etc.
> 
> Do the increased presentational possibilities made possible by using
> XML offset the additional complexity/length of the output file and the
> need to have an XML browser to view it properly?
> 
> Now consider the fact that you could also use commodity XML tools to
> parse the output file & extract specific items for further processing
> -- perhaps to be stored into a database, a spreadsheet, etc.
> 
> Does this make XML worthwhile as the primary output format of a
> chemistry package?
> 
> How about if the XML conformed to a standardized schema that was used
> by _all_ SCF programs, so that they all marked up their output the
> same way?  How about if all electronic structure programs conformed to
> the same schema?  Or the unlikely possibility that there was a schema
> which encompassed "all" chemistry software?
> 
> What would it take, in your opinion, for XML-based output to be
> preferrable to the current-day plain text output?
> 
> Thanks for your thoughts.
> --
> David E. Bernholdt                      | Email:  bernhold@npac.syr.edu
> Northeast Parallel Architectures Center | Phone:  +1 315 443 3857
> 111 College Place, Syracuse University  | Fax:    +1 315 443 1973
> Syracuse, NY 13244-4100                 | URL:    http://www.npac.syr.edu
> -= This is automatically added to each message by mailing script =-
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> MAILSERV@ccl.net -- HELP CHEMISTRY or HELP SEARCH
> CHEMISTRY-SEARCH@ccl.net -- archive search    |    Gopher: gopher.ccl.net 70
> Ftp: ftp.ccl.net  |  WWW: http://www.ccl.net/chemistry/   | Jan: jkl@ccl.net

-- 
 Gerald Loeffler
 Email: Gerald.Loeffler@vienna.at
 Smail: Apollo Imaging, Marchettigasse 7, A-1060 Vienna, Austria
 Phone: +43 676 3289588 (+43 1 5952333 27)
 Fax:   +43 1 5952333 20
 Keywords: Java, CORBA, OOA&D, Databases, Bioinformatics,
           Computational Biology, Computational Biophysics
From chemistry-request@server.ccl.net  Tue May 18 15:31:07 1999
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Date: Tue, 18 May 1999 21:25:58 +0200 (MEST)
From: David van der Spoel <spoel@xray.bmc.uu.se>
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To: Richard Wood <dmpc@hugh.chem.uic.edu>
Cc: "David E. Bernholdt" <bernhold@npac.syr.edu>, chemistry@ccl.net
Subject: Re: CCL:XML as program output?
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On Tue, 18 May 1999, Richard Wood wrote:

>I think text is preferable to any other format, IMO, now or in the future.
>If one needs xml or another format, one can just add the appropriate tags 
>as needed.
>
Text files are usually good for experts, they can interpret output files
by reading them. Moreover you can easily post-process text files using
small programs or scripts in any language you like.
However there is very often reason to visualize results, since in many
cases it will give more understanding, but also because some things are
hard to grasp from a text file. I prefer to look at a molecule, however
small, using rasmol rather than look at the coordinates. When checking the
geometry generated using whatever, it is much easier to look at a
printed list of bond length and angles than clicking on the atoms in a
GUI. Thus I think we want the text files as well as something else, and
that something else could well be XML (I don't know it). To have any
chance at all to be accepted as "standard" I think the following demands
have to be met:
- Chemistry/XML format should be non proprietary, i.e. it may not be
  crippled by browser vendors (like HTML). Ideally the format should be
  controlled by chemists
- There should be a free (GPL'ed) library which programmers can use to
  write xml output (callable from at least C and fortran, meaning that it
  should *not* be a C++ library).
- There need to be fast portable browsers

Looking on the web I found the SGML/XML home page at
http://www.oasis-open.org/cover/sgml-xml.html

Groeten, David.
________________________________________________________________________
Dr. David van der Spoel		Biomedical center, Dept. of Biochemistry
s-mail:	Husargatan 3, Box 576,  75123 Uppsala, Sweden
e-mail: spoel@xray.bmc.uu.se	www: http://zorn.bmc.uu.se/~spoel
phone:	46 18 471 4205		fax: 46 18 511 755
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

From chemistry-request@server.ccl.net  Tue May 18 15:35:07 1999
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To: chemistry@ccl.net
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Subject: Re: CCL:XML as program output? 
X-followup-to: My message of Tue, 18 May 1999 12:56:10 -0400.
             <199905181656.MAA02966@snake.npac.syr.edu> 
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From: "David E. Bernholdt" <bernhold@npac.syr.edu>

On Tue, 18 May 1999 12:56:10 -0400 I wrote:
< I'm curious what people think about using XML for the output of
< chemistry programs?  I'd appreciate your response to the scenarios I
< present below.

I realize that I should clarify a little what I meant by XML markup of
output. My purpose here is not simply to pretty-print program output --
I envision marking up the actual information content so that it can be
unambiguously identified, extracted, and otherwise processed.

For example, energies might be marked up as:
<energy type="nuclear repulsion" units="Hartrees">101.8303753234</energy>
<energy type="uhf" units="Hartrees">-190.784836075</energy>

MO vectors might be marked up like this:
<orbital id="1" type="canonical mo" occupation="1.0">
<energy type="orbital" units="Hartrees">-20.65958</energy>
<array>...</array><!-- holds MO coefficients -->
</orbital>

Molecular structures might be reported using CML's (Chemical Markup
Language) <MOL> construct, dipole moments could be marked up as an
array of values.  

I don't claim that the actual product would look anything like my off
the cuff examples here, but the main point is that the markup is not
"make this boldface and blue, and that in italics", it actually
describes the information content of the document for us.

With an appropriate stylesheet, one could arrange that XML-based
output look "pretty" in the browser, invoke a 3d viewer for molecular
structures, MOs, etc.  But more importantly, in my opinion, it now
becomes possible to use standard tools for manipulating XML documents
to access the information stored within the output file.  

Right now, this kind of thing can only be done by if you know the
output format of a program intimately, and can depend on it not to
change with a new release, or on another platform, etc.
--
David E. Bernholdt                      | Email:  bernhold@npac.syr.edu
Northeast Parallel Architectures Center | Phone:  +1 315 443 3857
111 College Place, Syracuse University  | Fax:    +1 315 443 1973
Syracuse, NY 13244-4100                 | URL:    http://www.npac.syr.edu
From chemistry-request@server.ccl.net  Tue May 18 15:52:23 1999
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Date: Tue, 18 May 1999 13:48:18 +36000
From: Richard Wood <dmpc@hugh.chem.uic.edu>
To: David van der Spoel <spoel@xray.bmc.uu.se>
cc: "David E. Bernholdt" <bernhold@npac.syr.edu>, chemistry@ccl.net
Subject: Re: CCL:XML as program output?
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But rasmol reads a "text" file format!  Why change it and other programs 
that already read text files?  That doesn't make any sense to me.

Richard
From chemistry-request@server.ccl.net  Tue May 18 11:32:28 1999
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I have just posted version 0.1 of a Java based Program called
ChemConsole, which provides a GUI to legacy Chemistry Applications such
as Babel v-1.6 and Mopac. Future versions will add support for Gaussian
and  give users the ability to run those Applications remotely. You can
get the program and Source code at:
ftp://ftp.ccl.net/pub/chemistry/software/SOURCES/JAVA/ChemConsole


Nathan Stevens


From chemistry-request@server.ccl.net  Tue May 18 12:35:23 1999
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From: Juan Frau Munar <juan@originqf.uib.es>
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Subject: [Fwd: Re: CCL:Animations in Power Point]
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--------------167E2781446B
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Hello everybody,

When I was summarizing all the answers about animations in Power Point,
unfortunately I forgot one of them. Therefore, this file should be
inserted in the previous e-mail.
-- 

Juan Frau Munar
Universitat Illes Balears
Departament de Quimica
Palma de Mallorca - 07071
Baleares. Spain

email: juan@originqf.uib.es
fax:  971 - 173426
telf: 971 - 173254

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Date: Tue, 13 Apr 1999 11:03:00 -0300
From: Gustavo Seabra <seabra@NPD.UFPE.BR>
Subject: Re: CCL:Animations in Power Point
To: Juan Frau Munar <juan>
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References: <3736B0C3.167E@originqf.uib.es>

Some time go I have a similar problem: I had to animate a MD trajectory in
PowerPoint97. But, unfortunately, it is not that easy. PowerPoint does not read
animated gifs, the format used in most web animations. So, you have 3
possibilities:
(1) use the animations capability of PowerPoint making a number of images of your
molecule (in the various degrees of rotation) and then making the images appear one
after another, giving the movement impression. The bad part is that PowerPoint uses
intervals of integer multiples of 1 second between the frames, so it may become too
slow for you.
(2) another possibility is to make a movie. The freeware program Gif Construction
Set 32, (I do not have the address right now) is able to make animated gifs and
change them into movies. The movie format is readable in PowerPoint, but now your
problem will be to put a background in the image. This is the option I've chosen,
and it had a good effect in the audience. (I just used a black background color.)
(3) The last possibility is to wait for the PowerPoint 2000. There are rumours that
it'll be able to show animated gifs.

I hope this can be of some help.

Best regards,
                    Gustavo Seabra.
----------------------------------------------------
Gustavo de Miranda Seabra   seabra@npd.ufpe.br
Departamento de Quimica Fundamental
Universidade Federal de Pernambuco
Recife - Pernambuco - Brasil
----------------------------------------------------



Juan Frau Munar wrote:

> Hello everybody
>
> I would like to have an active molecule in a Power Point´s slide. We
> would like to get the molecule rotating 360º during the presentation.
> It is something similar to the animations we can see on the web (MDL
> format). Any ideas?
>
> Thanks in advance.
>
> Juan Frau
>
> --
>
> Juan Frau Munar
> Universitat Illes Balears
> Departament de Quimica
> Palma de Mallorca - 07071
> Baleares. Spain
>
> email: juan@originqf.uib.es
> fax:  971 - 173426
> telf: 971 - 173254
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From chemistry-request@server.ccl.net  Tue May 18 15:39:39 1999
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In-Reply-To: Richard Wood <dmpc@hugh.chem.uic.edu>
        "CCL:XML as program output?" (May 18, 11:56)
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On May 18, 11:56, Richard Wood wrote:
> Subject: CCL:XML as program output?
> I think text is preferable to any other format, IMO, now or in the future.
> If one needs xml or another format, one can just add the appropriate tags
> as needed.

I strongly disagree with this view!!!!

It is always easy to
strip off tags by a simple procedure, but the automatic addition of tags
is often not possible, and manual addition tedious and impractical.

>From the standpoint of chemical information processing, there are
probably no worse output formats than those written by many QM packages.
Anybody who had to adjust scripts which extract some value from
these text dumps time after time after a new program version was released,
or after some yet unencountered condition led
to ever so subtle reformatting of the output, will agree.
Output should always be designed to
be readable by other programs, and this requires a clearly
defined structure. It should be possible to
identify the meaning of every piece of output, without
human guessing. This is what the tags
are primarily for: Not for formatting, but
for content description. Many of the standard exchange formats, designed
decades ago, such as MDL Molfiles or PDB files, are atrocious with
respect to clean design, avoidance of unnecessary limitations
and general expressiveness, but they are still far superior to
what programs such as Gaussian throw at us.

XML is definitely the way to go, because of its general-purpose, flexible
design and widespread support (next browser generation,
next MS Office generation, plus lots of free tools are available already,
for example from IBM alphaworks).

By the way, this is not the first time XML has
been proposed  as chemistry exchange format.
Pioneering work was carried out by by Peter
Murray-Rust and H. Rzepa on this field. Have a look
at www.xml-cml.org for the present status. A first
definition of a chemical DTD (document type definition)
(CML - Chemical Markup Language) is available,
and also an experimental Java Browser for these files.


>
> On Tue, 18 May 1999, David E. Bernholdt wrote:
>
> > I'm curious what people think about using XML for the output of
> > chemistry programs?  I'd appreciate your response to the scenarios I
> > present below.
> >
> > Lets imagine its a year or two into the future, and you have an
> > XML-capable browser that's as loaded with features as your current
> > HTML browser.
> >
> > You run a chemistry code -- say an SCF calculation, to be concrete.
> > Would you prefer that the primary output of this program be in plain
> > text, as nearly all packages I'm familiar with now produce, or would
> > you prefer it to be thoroughly marked-up XML?
> >
> > The plain text version may be more compact if you page through it
> > using more, or look at it in a text editor, but if you take the XML
> > version, you have all the capabilities of the browser to help you.
> > You could apply different style sheets to highlight different parts of
> > the output.  By judicious use of styles & applets, you might even be
> > able to have the molecular geometry rendered with a 3-d viewer, or
> > visualize orbitals, etc.
> >
> > Do the increased presentational possibilities made possible by using
> > XML offset the additional complexity/length of the output file and the
> > need to have an XML browser to view it properly?
> >
> > Now consider the fact that you could also use commodity XML tools to
> > parse the output file & extract specific items for further processing
> > -- perhaps to be stored into a database, a spreadsheet, etc.
> >
> > Does this make XML worthwhile as the primary output format of a
> > chemistry package?
> >
> > How about if the XML conformed to a standardized schema that was used
> > by _all_ SCF programs, so that they all marked up their output the
> > same way?  How about if all electronic structure programs conformed to
> > the same schema?  Or the unlikely possibility that there was a schema
> > which encompassed "all" chemistry software?
> >
> > What would it take, in your opinion, for XML-based output to be
> > preferrable to the current-day plain text output?
> >

--
Dr. Wolf-D. Ihlenfeldt
Computer Chemistry Center, University of Erlangen-Nuernberg
Naegelsbachstrasse 25, D-91052 Erlangen (Germany)
Tel (+49)-(0)9131-85-26579  Fax (+49)-(0)9131-85-26566
---
The three proven methods for ultimate success and fame:
1) Nakanu nara koroshite shimae hototogisu
2) Nakanu nara nakasete miseyou hototogisu
3) Nakanu nara naku made matou hototogisu
From chemistry-request@server.ccl.net  Tue May 18 15:50:44 1999
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Date: Tue, 18 May 1999 13:46:37 +36000
From: Richard Wood <dmpc@hugh.chem.uic.edu>
To: Wolf-Dietrich Ihlenfeldt <Wolf-Dietrich.Ihlenfeldt@CCC.Chemie.Uni-Erlangen.DE>
cc: chemistry@ccl.net
Subject: Re: CCL:XML as program output?
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On Tue, 18 May 1999, Wolf-Dietrich Ihlenfeldt wrote:

> On May 18, 11:56, Richard Wood wrote:
> > Subject: CCL:XML as program output?
> > I think text is preferable to any other format, IMO, now or in the future.
> > If one needs xml or another format, one can just add the appropriate tags
> > as needed.
> 
> I strongly disagree with this view!!!!
> 
> It is always easy to
> strip off tags by a simple procedure, but the automatic addition of tags
> is often not possible, and manual addition tedious and impractical.

i think it's just as easy to ADD tags as it is to remove them.  text 
files have the advantage in that they can EASILY be imported into most 
other applications.

Also, to change the output formats of dozens of programs to a format that 
is not very widely used, especially considering that not everyone is 
using the same OS and same versions of programs, is daft.

Richard
 
From chemistry-request@server.ccl.net  Tue May 18 16:08:16 1999
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From: Dmitry Khoroshun <dima@euch4e.chem.emory.edu>
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Subject: Re: CCL:XML as program output?
To: dmpc@hugh.chem.uic.edu (Richard Wood)
Date: Tue, 18 May 1999 16:01:14 -0400 (EDT)
Cc: spoel@xray.bmc.uu.se (David van der Spoel),
        bernhold@npac.syr.edu (David E. Bernholdt), chemistry@ccl.net
In-Reply-To: <Pine.SGI.3.90.990518134701.29560C-100000@hugh.chem.uic.edu> from "Richard Wood" at May 18, 1999 01:48:18 PM
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According to Richard Wood:
> 
> But rasmol reads a "text" file format!  Why change it and other programs 
> that already read text files?  That doesn't make any sense to me.

This indeed makes not much sense. What use is of introducing a "type"
of the energy, like "nuclear repulsion"? You still have to read and
understand it, not just click on it with a mouse. Unix scripting
possibilities allow for many many things like sorting or similar. And of course
programs such as molden have no problems with reading text files.

I guess the next step would be implementing surrounding sound into Gaussian.

Sincerely,
Dmitry Khoroshun
dima@euch4e.chem.emory.edu
From chemistry-request@server.ccl.net  Tue May 18 16:21:14 1999
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In-Reply-To: Richard Wood <dmpc@hugh.chem.uic.edu>
        "Re: CCL:XML as program output?" (May 18, 13:46)
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On May 18, 13:46, Richard Wood wrote:
> Subject: Re: CCL:XML as program output?
>
> On Tue, 18 May 1999, Wolf-Dietrich Ihlenfeldt wrote:
>
> > On May 18, 11:56, Richard Wood wrote:
> > > Subject: CCL:XML as program output?
> > > I think text is preferable to any other format, IMO, now or in the
future.
> > > If one needs xml or another format, one can just add the appropriate tags
> > > as needed.
> >
> > I strongly disagree with this view!!!!
> >
> > It is always easy to
> > strip off tags by a simple procedure, but the automatic addition of tags
> > is often not possible, and manual addition tedious and impractical.
>
> i think it's just as easy to ADD tags as it is to remove them.

No, this is certainly not true. I doubt that anybody really
wants to do this. We are not talking
about something simple like adding an HTML header and a few
paragraph breaks for a quick publication of a text as
a web page, but about a careful markup, identifying and
classifying each and every number, procedure, etc.

 text
> files have the advantage in that they can EASILY be imported into most
> other applications.

Not true either. Into what applications? Word processors? Maybe.
But who wants to do that?  If you count the number
of applications which can read a PDB file, compared
to those who are able to understand the typical textual
output of some popular QM application (with all its variants,
platform-dependend formatting varations, version changes, etc.)
you will have to agree that is is a very good thing to have
a standard.
>
> Also, to change the output formats of dozens of programs to a format that
> is not very widely used, especially considering that not everyone is
> using the same OS and same versions of programs, is daft.

Better change them now, instead of adding another undocumented
output variation because you hacked some additional feature,
or change a column width because your new 64-bit machine gives you better
precision.
The idea of tagging is that the second set of programs,
which process the output of the first set,  can easily
extract from the data the part they can handle, without having
to understand all intricacies of a text dump, using only
one XML  parser. If new output data is encapsulated into
its own tags, it is easy to ignore. Adding another
column to a text dump is very dangerous, because it will
desynchronize scripts which cannot do anything
more intelligent than counting columns
until they  find their data. This has nothing to do
with platform independence. XML IS platform-independent,
since it is ASCII and does not suffer from  any byte ordering
or FP representation issues.

>

--
Dr. Wolf-D. Ihlenfeldt
Computer Chemistry Center, University of Erlangen-Nuernberg
Naegelsbachstrasse 25, D-91052 Erlangen (Germany)
Tel (+49)-(0)9131-85-26579  Fax (+49)-(0)9131-85-26566
---
The three proven methods for ultimate success and fame:
1) Nakanu nara koroshite shimae hototogisu
2) Nakanu nara nakasete miseyou hototogisu
3) Nakanu nara naku made matou hototogisu
From chemistry-request@server.ccl.net  Tue May 18 16:32:12 1999
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Date: Tue, 18 May 1999 14:27:57 +36000
From: Richard Wood <dmpc@hugh.chem.uic.edu>
To: Wolf-Dietrich Ihlenfeldt <Wolf-Dietrich.Ihlenfeldt@CCC.Chemie.Uni-Erlangen.DE>
cc: chemistry@ccl.net
Subject: Re: CCL:XML as program output?
In-Reply-To: <9905182216.ZM3940@torvs.ccc.uni-erlangen.de>
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But isn't typing <energy="     "     > as difficult as typing <img 
src="mypicture.gif">?

On Tue, 18 May 1999, Wolf-Dietrich Ihlenfeldt wrote:

> No, this is certainly not true. I doubt that anybody really
> wants to do this. We are not talking
> about something simple like adding an HTML header and a few
> paragraph breaks for a quick publication of a text as
> a web page, but about a careful markup, identifying and
> classifying each and every number, procedure, etc.
> 
>  text
> > files have the advantage in that they can EASILY be imported into most
> > other applications.
> 
> Not true either. Into what applications? Word processors? Maybe.
> But who wants to do that?  

A lot of people do, myself included.  Does MS Excel read xml files?  No, 
yet it reads text files.

> If you count the number
> of applications which can read a PDB file, compared

I don't use pdb files.  PDB files are generally useless because of their 
lack of connectivity tables, at least in the programs i use.


From chemistry-request@server.ccl.net  Tue May 18 16:51:50 1999
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From: "Jim Kress" <jimkress@softhome.net>
To: "Dmitry Khoroshun" <dima@euch4e.chem.emory.edu>,
        "Richard Wood" <dmpc@hugh.chem.uic.edu>
Cc: "David van der Spoel" <spoel@xray.bmc.uu.se>,
        "David E. Bernholdt" <bernhold@npac.syr.edu>, <chemistry@ccl.net>
Subject: Re: CCL:XML as program output?
Date: Tue, 18 May 1999 16:47:03 -0400
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1)  Having an XML POSTprocessor would be great.  Modifying the QC or SM (or
whatever) code would be a real pain.

2) If Gaussian put surround sound into their product  a) You'd probably only
get sound out of 1.5 speakers and b) They'd still have a manual that claimed
full feature content but software that did not live up to the manual's
claims.

Jim

Check out my web site http://www.kressworks.com/
It'll blow your mind (politically), stimulate your senses (artistically)
and provide scientific insights that boggle the mind!!


-----Original Message-----
From: Dmitry Khoroshun <dima@euch4e.chem.emory.edu>
To: Richard Wood <dmpc@hugh.chem.uic.edu>
Cc: David van der Spoel <spoel@xray.bmc.uu.se>; David E. Bernholdt
<bernhold@npac.syr.edu>; chemistry@ccl.net <chemistry@ccl.net>
Date: Tuesday, May 18, 1999 4:29 PM
Subject: CCL:XML as program output?


>According to Richard Wood:
>>
>> But rasmol reads a "text" file format!  Why change it and other programs
>> that already read text files?  That doesn't make any sense to me.
>
>This indeed makes not much sense. What use is of introducing a "type"
>of the energy, like "nuclear repulsion"? You still have to read and
>understand it, not just click on it with a mouse. Unix scripting
>possibilities allow for many many things like sorting or similar. And of
course
>programs such as molden have no problems with reading text files.
>
>I guess the next step would be implementing surrounding sound into
Gaussian.
>
>Sincerely,
>Dmitry Khoroshun
>dima@euch4e.chem.emory.edu
>-= This is automatically added to each message by mailing script =-
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>
>
>

From chemistry-request@server.ccl.net  Tue May 18 16:54:31 1999
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Date: Tue, 18 May 1999 16:48:54 -0400 (EDT)
From: Jan Labanowski <jkl@ccl.net>
To: chemistry@ccl.net
cc: Jan Labanowski <jkl@ccl.net>
Subject: XML in output/input files for Comp. Chem. Codes
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Partially from conviction, and partially to prevent a flame war on the
list, I want to point out that we will have to live for a long time
with the presence of "legacy formats". 
So, let the programs produce and process legacy formats too, but I would
love to have also a file:
  output.xml 
produced, and file
  input.xml
accepted for input. The number of various 
   something2somethingother.pl (awk, sed, etc.)
scripts which I produced over the years is in hundreds. I wish I could have
spent this time reading something interesting or thinking about the data
I produced.

In short... I do believe that we cannot abandon legacy formats overnight.

It would make me use a few #@!&? words exactly the same way, as when
the new release of "well known" quantum chemistry workhorse comes out.

However, I would be happy, if beside the *.out, I also had *.xml.
It does not have to be a fancy XML... Let them design their own tags
and attributes to kill the competition and to feed the sense of being right,
but let the tags be closed and properly nested.  I will do the rest.
Over the years I lost any hope that Computational Chemistry formats for
input or output can be standardized.  Egos, and commercial interests will not
allow it. But at least, if there was a companion XML file with the same info
as in traditional legacy input or output file, it would make my life easier
(as well as many others, I hope). Disk space is cheap, and putting
additional WRITE or fprintf statements is not a big deal.

The funny thing is that chemists were the first to see the opportunity
with Peter Murray-Rust and Henry Rzepa advocating CML.
And what? Depends whom you ask, but on average, we as a professional
group can claim foresight, but not wide spread practice.

Jan
jkl@ccl.net

Jan K. Labanowski            |    phone: 614-292-9279,  FAX: 614-292-7168
Ohio Supercomputer Center    |    Internet: jkl@ccl.net 
1224 Kinnear Rd,             |    http://www.ccl.net/chemistry.html
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From chemistry-request@server.ccl.net  Tue May 18 17:00:16 1999
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Date: Tue, 18 May 1999 14:56:09 +36000
From: Richard Wood <dmpc@hugh.chem.uic.edu>
To: Wolf-Dietrich Ihlenfeldt <Wolf-Dietrich.Ihlenfeldt@CCC.Chemie.Uni-Erlangen.DE>
cc: chemistry@ccl.net
Subject: Re: CCL:XML as program output?
In-Reply-To: <9905182249.ZM3968@torvs.ccc.uni-erlangen.de>
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Well, the notion of coming up with a NEW file format to replace 10++ file 
formats confuses me even more.

Richard

From chemistry-request@server.ccl.net  Tue May 18 17:05:17 1999
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Date: Tue, 18 May 1999 14:00:34 -0700 (PDT)
From: "Jesus M. Castagnetto" <jesusmc@scripps.edu>
Sender: jesusmc@scripps.edu
To: Richard Wood <dmpc@hugh.chem.uic.edu>
cc: chemistry@ccl.net
Subject: Re: CCL:XML as program output?
In-Reply-To: <Pine.SGI.3.90.990518134701.29560C-100000@hugh.chem.uic.edu>
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Richard and all,

It is not more that you need to change the internal format of programs like
Rasmol. Think of XML as a data encapsulation format, which can be filtered
to any other proprietary or widely used format. The idea of XML is to be
not only markup, but that the markup will have meaning.

So XML is not only for information about the structure of a document, it can
also be treated as data.
Two of the examples of XML application I know are:

WDDX: http://www.wddx.org/ (Wed Distributed Data eXchange)
CML: http://www.xml-cml.org/ (Chemical Markup Language)

The latter has been for about 2 years already and there is ever a CML/XML
java browser (and sort of editor) by one of the proponents of CML (Peter
Murray-Rust) named "Jumbo".

Now XML is not only a text file format, if contains meta-information about
the data in it. And if your have a DTD (Document Type Definition) for the
markup, the validity of the information/structure can be validated too.

There is a great push for using XML and Java, or uxing XML as a CORBA
container. Imagine you have an agent program that understands XML, you can
ask it to go and fetch information from dissimilar sources, and then put it
into XML, which then can be both displayed on your computer and put into
an XML-object into a database (or translated into an SQL string for an
SQL database).

Or maybe think of XML as a general description format from which you can
translate to/from to your favorite program.

On Tue, 18 May 1999, Richard Wood wrote:

> Date: Tue, 18 May 1999 13:48:18 +36000
> From: Richard Wood <dmpc@hugh.chem.uic.edu>
> To: David van der Spoel <spoel@xray.bmc.uu.se>
> Cc: "David E. Bernholdt" <bernhold@npac.syr.edu>, chemistry@ccl.net
> Subject: CCL:XML as program output?
> 
> But rasmol reads a "text" file format!  Why change it and other programs 
> that already read text files?  That doesn't make any sense to me.
> 
> Richard

Hope I dit not bore you to death with my rant.

Best regards.

--
Jesus M. Castagnetto, PhD <jesusmc@scripps.edu> - "Ken Zen Ichi-nyo"
Program Project:   http://www.scripps.edu/research/metallo/ 
Metalloprotein DB: http://metallo.scripps.edu/
Pilot Stuff: http://www.geocities.com/ResearchTriangle/Lab/1059/

From chemistry-request@server.ccl.net  Tue May 18 17:08:43 1999
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Date: Tue, 18 May 1999 15:05:35 +36000
From: Richard Wood <dmpc@hugh.chem.uic.edu>
To: "Jesus M. Castagnetto" <jesusmc@scripps.edu>
cc: chemistry@ccl.net
Subject: Re: CCL:XML as program output?
In-Reply-To: <Pine.GSO.3.96.990518131239.27983K-100000@redox>
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It just seems like someone created a "new" file format without any apps 
to use it and is now trying to ram it down our throats.

Richard

From chemistry-request@server.ccl.net  Tue May 18 16:59:55 1999
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References: <9905182135.ZM3892@torvs.ccc.uni-erlangen.de>
Date: Tue, 18 May 1999 16:55:38 -0400
To: chemistry@ccl.net
From: Jonathan Brecher <jsb2@camsoft.com>
Subject: Re: CCL:XML as program output?

At 1:46 PM -0400 5/18/99, Richard Wood wrote:
>On Tue, 18 May 1999, Wolf-Dietrich Ihlenfeldt wrote:
>
>> On May 18, 11:56, Richard Wood wrote:
>> > Subject: CCL:XML as program output?
>> > I think text is preferable to any other format, IMO, now or in the future.
>> > If one needs xml or another format, one can just add the appropriate tags
>> > as needed.
>>
>> I strongly disagree with this view!!!!
>>
>> It is always easy to
>> strip off tags by a simple procedure, but the automatic addition of tags
>> is often not possible, and manual addition tedious and impractical.
>
>i think it's just as easy to ADD tags as it is to remove them.  text
>files have the advantage in that they can EASILY be imported into most
>other applications.


This is a pointless discussion.  I'm seeing two main threads:

A) Adding vs removing tags:
The presence or absence of tags is irrelevent; the only issue is how
well-formatted the text is to start with.
o  It is easy to add tags to well-formatted raw text
o  It is easy to remove tags from well-formatted tagged text
o  It is difficult to add tags to poorly-formatted raw text
o  It is difficult to remove tags from poorly-formatted tagged text
(Spoken from the perspective of someone who spent the last several years
doing all four).  XML would be appealing if it required that well-formatted
files.  Unfortunately, it doesn't, or at least it doesn't any more than
HTML does.  Look at all the crappy HTML that is out there.  Look at the
garbage produced by PageMill or FrontPage or most any other commercial
program.  Look through release notes for earlier versions of Netscape or
MSIE and see the hoops those developers had to go through to deal with all
the creative html that people cooked up.  All arguments I've seen for XML
take it as an implicit fact that XML-compliant files will magically be
well-formatted and easily understandable.  Guess what folks; it ain't gonna
happen.

B) Text vs non-text
This is even more pointless.  "Text" is a description of the character set
used, and not even a very good description.  There is no such thing as a
program that "understands text" any more than there is a person who
"understands speech".  Traditionally, "text" files are written with the 96
ASCII characters from 32 to 127.  The Gaussian file format is one such file
type.  It is possible to say that "a program interprets the Gaussian file
format."  Saying so does not in any way imply that it will interpret the
MOPAC file format or the PDB file format  -- any more than saying that
someone understands English implies that he also understands French.  XML
files *are* text in that they are written using those 96 printable ASCII
characters.  So are HTML files.  So is this message.  So what?

Programmatically, "text" files are often *less* easy to interpret than
binary files.  There are lots of benefits to using binary file format,
including density of data and speed of interpretation.  The major drawback
is that they are not readily interpretable by unassisted humans.



XML is "just another file format".  There is no program in the world that
will magically be able to interpret XML without specific programming
effort.  The programming effort to interpret XML is neither significantly
more nor significantly less than that required to interpret any other file
format (assuming a similar number of data *types* in both cases).

The major benefit of XML -- or any other file format -- would be in how
widely it is accepted.  Converting between file formats is a bitch, and
often involves some sort of data loss.  *IF* (and it's a big if) XML
becomes widespread, it would be a big win for everyone.  On the other hand,
the exact same thing could be said for any file format.  The name of the
game is communication, and anything that improves communication, including
a widely-understood file format, would be a Good Thing.

People have high hopes that XML will indeed become such a lingua franca.  I
agree that it would be a great thing if it did.  However, it hasn't yet,
and it won't at any time in the near future, and anything beyond the near
future is in the realm of guesswork.

Jonathan Brecher
CambridgeSoft Corporation
jsb@camsoft.com

From chemistry-request@server.ccl.net  Tue May 18 17:01:03 1999
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From: "Wolf-Dietrich Ihlenfeldt" <Wolf-Dietrich.Ihlenfeldt@CCC.Chemie.Uni-Erlangen.DE>
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Date: Tue, 18 May 1999 22:49:23 -0600
In-Reply-To: Richard Wood <dmpc@hugh.chem.uic.edu>
        "Re: CCL:XML as program output?" (May 18, 14:27)
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On May 18, 14:27, Richard Wood wrote:
> Subject: Re: CCL:XML as program output?
> But isn't typing <energy="     "     > as difficult as typing <img
> src="mypicture.gif">?
>
> On Tue, 18 May 1999, Wolf-Dietrich Ihlenfeldt wrote:

> >  text
> > > files have the advantage in that they can EASILY be imported into most
> > > other applications.
> >
> > Not true either. Into what applications? Word processors? Maybe.
> > But who wants to do that?
>
> A lot of people do, myself included.  Does MS Excel read xml files?  No,
> yet it reads text files.

It does not read text files in general, only tab-separated (or
similarily structured) table data files, if you want
a sheet you can reasonably work with. It does not read the
atomic charges from a MOPAC result file, or a series
of such files. You have to
prepare the output by going through the result file and extract
it into an intermediate file, manually,
if you do not have a converter script which needs constant
maintenance. And a simple
tab-sep table is certainly not useful as a general output format.
Office 2000 will presumably parse an XML-file of any origin and
let you graphically pick the data columns which should
be imported.

>
> > If you count the number
> > of applications which can read a PDB file, compared
>
> I don't use pdb files.  PDB files are generally useless because of their
> lack of connectivity tables, at least in the programs i use.

a) PDB can encode connectivity (though not bond orders)
(No, I am not defending PDB - I think PDB should also
be abolished in favor of a more flexble approach ASAP)
b) How do you encode connectivity in your 'text-file' tables?
And how do you obtain this information from, say, Gaussian?
What kind of format do you use? To me, it is not yet
clear how do you think an output should look like. Your
notion of a 'text file'  confuses me.


--
Dr. Wolf-D. Ihlenfeldt
Computer Chemistry Center, University of Erlangen-Nuernberg
Naegelsbachstrasse 25, D-91052 Erlangen (Germany)
Tel (+49)-(0)9131-85-26579  Fax (+49)-(0)9131-85-26566
---
The three proven methods for ultimate success and fame:
1) Nakanu nara koroshite shimae hototogisu
2) Nakanu nara nakasete miseyou hototogisu
3) Nakanu nara naku made matou hototogisu
From chemistry-request@server.ccl.net  Tue May 18 17:35:31 1999
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Date: Tue, 18 May 1999 18:07:34 -0300 (ADT)
From: Vladimir Murashov <murashov@is2.dal.ca>
To: chemistry@ccl.net
Subject: Ellipsoids in OpenGL
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Hi,

I was wondering if some kind soul can direct me to an
optimized subroutine for OpenGL/GLUT 
that draws an arbitrary ellipsoid.

Thanks,
Vladimir

Dr. Vladimir V. Murashov
Dept. Chemistry 
University of British Columbia
Vancouver, BC V6T 1Z1

From chemistry-request@server.ccl.net  Tue May 18 18:05:25 1999
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Date: Tue, 18 May 1999 16:02:36 +36000
From: Richard Wood <dmpc@hugh.chem.uic.edu>
To: Jonathan Brecher <jsb2@camsoft.com>
cc: chemistry@ccl.net
Subject: Re: CCL:XML as program output?
In-Reply-To: <v0401170db3677d70c092@[198.112.109.83]>
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I still say why convert many file formats to one if you don't have to/not 
all applications curently being used will handle them.
  
It's like assuming that everyone using a PC is using Windows 95/98, when 
the fact is that some are still using Windows 3.1.

Richard

From chemistry-request@server.ccl.net  Tue May 18 18:26:38 1999
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Date: Tue, 18 May 1999 23:19:23 +0100
To: CHEMISTRY@ccl.net
From: "Rzepa, Henry" <h.rzepa@ic.ac.uk>
Subject: Re: CCL:XML in output/input files for Comp. Chem. Codes
Content-Type: text/plain; charset="us-ascii"

>The funny thing is that chemists were the first to see the opportunity
>with Peter Murray-Rust and Henry Rzepa advocating CML.
>And what? Depends whom you ask, but on average, we as a professional
>group can claim foresight, but not wide spread practice.


Since Jan was kind enough to quote Peter and myself, 
I note here that Part 1 of an article on  XML
and CML   just been submitted for publication in  JCICS
by Peter and myself (but not yet refereed or accepted). 

Due to the policy of the ACS, I cannot  place the entire article
on the Web, since that would constitute prior publication.
However, I will seek guidance from Bill Milne of JCICS to
see whether the  CML tagset, the attribute list, six examples and the  DTD
could be published in the interests of the community
and of  "OpenSource" software. Peter has also written around
8 "legacy" to CML converters (ie Gaussian,  GAMESS,
MOPAC, PDB,, etc etc)  and he is happy to make these
available to anyone who wishes to test/improve/add to them.
This will all be made available via
http://www.xml-cml.org/ 
 Finally, we hope to be shortly releasing an
XML-CML repository server with some interesting and we
hope novel features, which will really allow the true potential
of  XML  to be demonstrated.

We would invite the community to comment on this formal  CML
definition, and to contribute to the development of chemical markup
languages in general  in the sprit of  OpenSource.

I might also add that CML was first
proposed in August 1995 (well before XML itself!)
 and a special version of  MOPAC
capable of producing program output in  CML was made available,
thus anticipating the thread of this discussion.
Its still up at  http://www.ch.ic.ac.uk/cml/ where you can try it
for yourselves. The CML was a  very early draft, and might differ
slightly from the version proposed in the JCICS article. In particular,
it was not  XML conformant for obvious reasons.


Finally, I am sure you are all aware of it, but the principle  XML discussion
forum is at  http://www.lists.ic.ac.uk/hypermail/xml-dev/
and contains some  13,000 postings from Feb 97 to present.
 It is indexed, so anyone
wishing to search for specific terms can do so.


Henry Rzepa. +44 171 594 5774 (Office) +44 171 594 5804 (Fax)
http://www.ch.ic.ac.uk/rzepa/
From chemistry-request@server.ccl.net  Tue May 18 18:51:26 1999
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Date: Tue, 18 May 1999 23:48:56 +0100
To: CHEMISTRY@ccl.net
From: "Rzepa, Henry" <h.rzepa@ic.ac.uk>
Subject: Re: CCL:XML as program output?
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>...XML would be appealing if it required that well-formatted
>files.  Unfortunately, it doesn't, or at least it doesn't any more than
>HTML does.  ...All arguments I've seen for XML
>take it as an implicit fact that XML-compliant files will magically be
>well-formatted and easily understandable.  Guess what folks; it ain't gonna
>happen.


A full answer to  Jonathan's point is deserved, but for the time being I
will confine myself to saying that comparing HTML and XML
is unfair. The comparison should really be with XML and SGML
(which is widely regarded in document publishing as a great success
and has been around for  15 years).
A HTML server accepts any document, well formed or not;  an XML repository 
will accept only  a well formed (ie balanced tags)
and valid (ie conforming to a specified  DTD)
XML document; Arguably, an XML
repository is closer to an object-oriented database than a HTML
server., but with style sheets there is no reason it cannot be more
powerful than HTML.   XML 
IS much better formed and structured than  HTML (HTML itself is
migrating to  XHTML in recognition of this)
and I think Jonathan is wrong about  XML
not making it in the near future. The last 3 months have seen a
remarkable uptake, although not obvious to the public at large.
See http://www.lists.ic.ac.uk/hypermail/xml-dev/
for examples.

Although much  XML development
is taking place in  commercial environments, we should encourage
OpenSource thinking in an area such as chemistry, since it is only
by such  collaborative efforts that it will succeed in our community.

I might also add that a lamentably unlauded
project called HyperWave (originally  HyperG) solved many of the problems
of "bad" HTML and broken servers by only allowing well formed 
marked up documents to be entered and served.
It also handled links correctly, as well as metadata, queries, and many other
things now considered good practice! It was introduced ONE year
before Tim Berners-Lee invented  the Web at CERN, and had IT
caught on instead, things might have been a little different! 
It was literally ahead of its time, and the  World was not ready for it.


Henry Rzepa. +44 171 594 5774 (Office) +44 171 594 5804 (Fax)
http://www.ch.ic.ac.uk/rzepa/
