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[Jmol-users] jmol, povray export of oxygen
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From: Shore, J. <Jay.Shore@SDSTATE.EDU> - 2010-06-30 02:09:29
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Paul and Robert,
Thank you very much for your responses.
They are very helpful.
I do have a couple of more questions - I hope that you do not mind.
Am I wrong about the reflection looking different for the oxygen versus the carbon?
If I export a jpeg they look fine, only when I try to export a povray do they look different.
Is there an easy way to fix this? I do not want to manually change the povray files - I guess
that I could write a script to edit them.
Thank you again.
Jay
From: Robert Hanson <ha...@st...>
Subject: Re: [Jmol-users] jmol, povray export of oxygen
To: jmo...@li...
Message-ID:
<AAN...@ma...>
Content-Type: text/plain; charset="iso-8859-1"
The first three a() entries are the atoms. The other 8 are end-caps for the
bonds. Hidden in this case by the atoms and the opacity of the bonds
themselves.
On Mon, Jun 28, 2010 at 2:58 PM, Paul Pillot <
pau...@ac...> wrote:
> Recently I have played a bit with some pov outputs in order to set more
> precisely the effects I wanted for each atom.
> To do that, I changed the last settings in the corresponding spheres
> (translucent factor). Then I edited the macro for the translucent finish so
> that the corresponding translucent factor could lead to the desired
> reflection or transparency effect.
> Here is an example of the macro I used :
> #macro translucentFinish(T)
> #local shineFactor = T;
> #if (T > 0)
> finish {
> ambient 0.3
> diffuse 0.84
> specular 0.32
> roughness .00001
> phong 0.8
> phong_size 40
> reflection 0.4
> }
> interior {ior 1.33 caustics 0.1}
> #end
> #if (T < 0.1)
> finish {
> ambient 0.45
> diffuse 0.84
> specular 0.32
> roughness .00001
> metallic 0.5
> phong 0.9
> phong_size 120
> reflection 0.25
> }
> interior {ior 1.5}
> #end
> #end
> It's a trick, but that may help you setting a scene that would suit your
> needs...
>
> Regarding the number of spheres and cylinders : there are indeed 8
> different cylinders in your image : 2 doubles bonds, each having a grey and
> a red part (2x2x2=8). I can't find any explanation to the number of
> spheres...
>
> -Paul
>
> Le 28 juin 2010 ? 21:20, Shore, Jay a ?crit :
>
>
> Howdy,
>
> I loaded carbon_dioxide.mol in to jmol and then exported the povray file
> and the reflectance on the oxygen looks different than the reflectance on
> the carbon. I have also tried water and saw that the reflectance on the
> oxygen was different than that on the hydrogen.
>
> Also, in the pov file, it seems like it is drawing the spheres and tubes
> multiple times.
>
> Am I missing something?
> Any help or suggestions would be appreciated.
>
> Jay
>
> --
> Jay Shore
> Department of Chemistry and Biochemistry
> South Dakota State University
> Brookings, SD 57007
>
>
>
>
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--
Robert M. Hanson
Professor of Chemistry
St. Olaf College
1520 St. Olaf Ave.
Northfield, MN 55057
http://www.stolaf.edu/people/hansonr
phone: 507-786-3107
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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