VMD-L Mailing List

From: farrokh yousefi (farrokhyousefi62_at_gmail.com)
Date: Mon Apr 22 2013 - 02:28:15 CDT

Dear Axel and Olaf,

Thank you so much for your valuable comments.

Best regards,
Farrokh

On 4/22/13, Olaf Lenz <olenz_at_icp.uni-stuttgart.de> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hi Farrokh!
>
> On 04/21/2013 05:33 PM, farrokh yousefi wrote:
>> Can VMD displays ellipsoidal particles?
>
> As Axel already wrote, VMD cannot do so directly. instead, you would
> have to combine other graphical objects to display an ellipsoid.
>
> If you are mostly interested in displaying the director of the
> ellipsoid, I have started a VMD plugin "moregraphics" that contains
> routines to create more complex graphics from graphical primitives, like
> for example arrows, double cones or two spheres with different colors
> that overlap each other:
>
> https://github.com/olenz/moregraphics
>
> If you need more than that, you need to think about how to triangulate
> the surface of an ellipsoid and use triangle primitives to create it. It
> might be, however, that computing the surface points might become pretty
> slow when doing it in Tcl.
>
> If you do so, I would be happy if you could add that function to the
> "moregraphics" plugin!
>
> Olaf
>
> - --
> Dr. rer. nat. Olaf Lenz
> Institut für Computerphysik, Allmandring 3, D-70569 Stuttgart
> Phone: +49-711-685-63607
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v2.0.18 (GNU/Linux)
> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
>
> iEYEARECAAYFAlF03D8ACgkQtQ3riQ3oo/qnMwCeKpTN61huPdUWPENyEOrCKgxB
> +QQAn3BLg9scD0r7bXbTFGvjsppgSjGO
> =RNxM
> -----END PGP SIGNATURE-----
>