Author Topic: Density plots from DSCF  (Read 1890 times)

cwoods7

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Density plots from DSCF
« on: March 13, 2024, 06:16:46 PM »
Hello,

I was wondering how to read the files sd.plt and td.plt from running dscf with $pointval dens. Has anyone had success with gOpenMol?

Best,

Cody

chris.hol

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Re: Density plots from DSCF
« Reply #1 on: March 13, 2024, 09:26:21 PM »
Hi Cody,

as far as I can remember, gOpenMol can read "cube" densities. On the Turbomole website under utilities (https://www.turbomole.org/turbomole/utilities/) you can download a "plt2cub" binary, that can convert your .plt files to such a .cube file. Download it, put it somewhere were you can execute it, and simply execute

/path/to/plt2cub td.plt > td.cube

in the directory where td.plt resides to obtain a cube file. Same is possible for sd.plt.

Best,
Christof

antti_karttunen

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Re: Density plots from DSCF
« Reply #2 on: March 13, 2024, 09:26:51 PM »
Hi Cody,

I would recommend VMD for visualizing plt files (https://www.ks.uiuc.edu/Research/vmd/). Some guidelines and VMD scripts are available at https://wiki.aalto.fi/display/IMM/Excited+state+analysis+of+borazine, although they are primarily for visualizing plt files from egrad.

Best,
Antti

uwe

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Re: Density plots from DSCF
« Reply #3 on: March 13, 2024, 10:02:35 PM »
Hi,

the best option (well, I am obviously a bit biased) is to use TmoleX. That is the native graphical user interface of and for Turbomole. It is usually part of Turbomole distributions and comes as an own installer for Windows, MacOS or Linux.

There you can either read in the whole job directly and then have the plt files ready to be visualized. Or, a bit less intuitive but more lightweight is to use COSMObuild as stand-alone tool. It is also integrated in TmoleX but can be started separately and independently too.
In COSMObuild you have to read in both the plt file and the coordinates to get the same visualization as in TmoleX.

TmoleX is also available in the free DEMO version from the 3DS site: https://discover.3ds.com/free-download-biovia-turbomole-demo-version

By the way: If you see plv instead of plt files - it is the very same format but can also contain vector fields. For scalar properties like densities it is identical to plt, so renaming plv to plt should work.