If possible, use commands such as:
select 1.1 #select the first model
translateselected ....
rotateselected.....
to reorient one model to match the other. I did the following:
load files "t1.pdb" "t2.pdb"
frame 0
x = {71.c4*}[2].xyz - {71.c4*}[1].xyz # must use { } here, not ( )
select within(model, (71.c4*)[1]) # must use ( ) here, not {}! (sorry!)
translateselected @x
but I see you have a major issue there. If you know how to do the
rotation to get one to the frame of the other, do something like:
select 1.1
rotate internal x 24.3
rotate internal y 15.2
rotate internal z 12.0
if you
set axes molecular
axes on
you will see that {0 0 0} is nowhere near the center of the molecule. In
fact, we have:
x = {2.1}.xyz
giving:
x = "{7.1044445 -14.36 -10.242222}"
Jason Persampieri wrote:
> I have 2 different models (a normal rna structure, and just its
> backbone). Unfortunately, they are 'positioned' in different
> coordinate systems. Forgetting the *model's* rotation for a second
> (something I'll have to deal with next), I want to synchronize camera
> rotation on the two.
>
> It seems the most straightforward way is to center each model at {0 0
> 0}, then apply camera rotations using any of the methods discussed the
> past couple of days.
>
> Unfortunately, when I do a "centerAt absolute 0 0 0" or "center {0 0
> 0}", it doesn't seem like the model actually gets re-centered (it's
> orientationInfo shows a center value of {0 0 0} but the model is
> offset in the window). I think perhaps I'm running in to 'model' vs
> 'world' coordinate confusion.
>
You definitely want to work exclusively with model rotations -- use
"internal" in those rotation commands you are giving.
> If you want to see an example, check out
> http://clavius.bc.edu/~pappy/clotelab/localmove/getResults.php?id=1626667850
> <http://clavius.bc.edu/%7Epappy/clotelab/localmove/getResults.php?id=1626667850>
>
> .
>
yeiks!!!
> Does any of this make sense? I'm a sleepy, sleepy programmer and this
> is driving me batty!
>
> _jason
>
>
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--
Robert M. Hanson
Professor of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
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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