Mauricio Carrillo Tripp wrote:
> > 1) duplicate a selection an arbitrarily number of times based on
> > different transformations (= rotation matrix + translation vector)
> >
> Yes, you would load the data twice:
>
> load files "file1.xyz" "file1.xyz"
>
> This gets you the duplicates. One is in frame 1, the other in frame 2.
>
>
> this means that if I just want to duplicate a small region of the model
> (one chain, or even just one residue or atom) I would have to load the
> whole
> model again? I can see this could work, but when I have big proteins,
> or a significant number of duplicates (~60+), this is not a very practical
> approach.
>
> It would be a nice feature to have something like:
> duplicate (my_selection) {my_rotation_mtx} {my_trans_vec}
> (with_respect_to) (where_to_put_it);
>
WAY too complicated. So you are saying you want to have 60+ duplications
of a small subset of the model at different places but not the whole
protein. Can you say more about why? Sounds a lot like symmetry
operations. What are you really after?
Bob
> The optional fourth parameter could say if the transformation is
> with respect to the model's origin or any other specified center.
> The fifth optional parameter could say where to put the
> duplicate; 1.2,1.3,1.4,etc or 2.1,3.1,4.1,etc, or maybe just do it
> automatically incrementing those numbers...
>
> BTW, thanks Bob and Frieda, " zap;set echo top left;echo
> Loading....;refresh;load xxxx.pdb"
> did the trick!
>
>
>
>
> > 2) show and hide these duplicates. I know one can use "display/hide
> > 'selection'", but how would this work with the duplicates?
>
>
> If you now use
>
> frame 0.0
>
> You will both. Select them as individual models (*/1.1) (*2.1) and
> translateSelected, rotateSelected, invertSelected, etc. Then show/hide
> them as desired.
>
> Some experimentation may be necessary.
>
>
>
> --
> 0 | Mauricio Carrillo Tripp, PhD
> / | Department of Molecular Biology, TPC6
> 0 | The Scripps Research Institute
> \ | 10550 North Torrey Pines Road
> 0 | La Jolla, California 92037
> / | [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> 0 | http://www.scripps.edu/~trippm
> <http://www.scripps.edu/%7Etrippm>
>
> ** Aut tace aut loquere meliora silentio **
>
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St. Olaf College
Northfield, MN
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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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