VMD-L Mailing List

From: Norman Geist (norman.geist_at_uni-greifswald.de)
Date: Mon Feb 19 2018 - 02:39:47 CST

What about the "Visualization->View Change Renderer" plugin already shipped with VMD?

> -----Ursprüngliche Nachricht-----
> Von: owner-vmd-l_at_ks.uiuc.edu [mailto:owner-vmd-l_at_ks.uiuc.edu] Im
> Auftrag von Rune Thomas Kidmose
> Gesendet: Montag, 19. Februar 2018 08:19
> An: vmd-l_at_ks.uiuc.edu
> Betreff: vmd-l: Obtaining VMD view matrices for tcl script
>
> Hi,
>
> I have started using VMD more and more for rendering and animations, and I
> do this using tcl scripts.
>
> Currently when I need to get a specific view I use the molinfo command, e.g.
> molinfo top get center_matrix
>
> I proceed doing this on the: scale_matrix, rotate_matrix and global_matrix.
>
> I then add the view to my script like this:
>
> mol info set {center_matrix} {{{ {matrix numbers} }}} etc.
>
> and while this approach works, it gets a bit tedious to do every time I change
> the view slightly. So I was wondering if there is an easier way of obtaining
> and setting the view via a tcl script?
>
> I have found the view_matrix command, which I though was a one-step
> solution for obtaining the view, but I am unable to set the view_matrix via
> my script.
>
> I have seen a couple of plugins which helps with remembering and setting
> views if working from the GUI, but I have not been able to use them from my
> scripts.
>
> Currently I made a simpel tcl script which writes the 4 above mentioned
> matrices out to a file, in a format I can directly insert into my script, while this
> helps, I just wanted to make sure I am not missing some obvious way of
> doing this.
>
> In case ppl are interested, the script I made is basically this (showing only for
> center matrix)
>
> set file [open view_matrices.log w]
> set c [molinfo top get center_matrix]
> puts $file “molinfo top set {center_matrix}{$c}”
> close $file
>
> Cheers
>
> Ruki
>