VMD has a nice tcl interface to vector and matrix manipulation. It does this type of calculation with a couple of lines of tcl code. If interested, look at the VMD user guide, the chapter on vectors and matrices ...
Vlad
---
Dr. Vlad Cojocaru
Max Planck Institute Muenster
Roentgenstrasse 20,
48149 Muenster, Germany
Tel: +49-251-70365324
Sent from my mobile phone; Sorry for being short and for any errors
Jason Swails <jason.swails.gmail.com> wrote:
>On Sat, Mar 16, 2013 at 7:04 AM, . mirage <m.o.m.live.fr> wrote:
>
>>
>> Hi,
>> Thank's for all reply
>>
>> My question is to calculate the angle formed between two plan
>function of
>> time of my trajectory with amber
>> Thomas suggest the function "black box" of NAB, is there any
>> clarification?
>>
>
>NAB is a program that has numerous options for molecular modeling and
>geometric manipulation. Look through the first NAB chapter in the
>AmberTools manual to see if any of the functionality will do what you
>want.
>
>If not, you will probably have to write a script or program to
>calculate
>the angle between the two planes (which I would probably do by
>calculating
>the angles between the normals of the two planes calculated via the
>cross-product of the two vectors making up each angle). I don't think
>there is any cpptraj or ptraj command to do exactly what you want.
>
>HTH,
>Jason
>
>--
>Jason M. Swails
>Quantum Theory Project,
>University of Florida
>Ph.D. Candidate
>352-392-4032
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Received on Sat Mar 16 2013 - 06:30:02 PDT