> > only the portion of the fitted density map that is located at a 
> > defined distance from my selection?

This is what the carve option to isosurface and isomesh do:

isomesh mesh-name, map-name, level, selection, carve=distance

load map1.xplor
load ref.pdb
zoom ref and resn LIG, 3
isomesh mesh1, map1, 1.0, ref and resn LIG, carve=2.1

Cheers,
Warren

--
Warren L. DeLano, Ph.D.                     
Principal Scientist

. DeLano Scientific LLC  
. 400 Oyster Point Blvd., Suite 213           
. South San Francisco, CA 94080    
. Biz:(650)-872-0942  Tech:(650)-872-0834     
. Fax:(650)-872-0273  Cell:(650)-346-1154
. mailto:war...@delsci.com      
 

> -----Original Message-----
> From: pymol-users-ad...@lists.sourceforge.net 
> [mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of 
> Jason Thomas Maynes
> Sent: Monday, February 07, 2005 1:00 PM
> To: Stefano Marzi
> Cc: pymol-users@lists.sourceforge.net
> Subject: Re: [PyMOL] cut-off distance
> 
> show sticks, [selection] around [angstoms]
> 
> or more usefully:
> 
> show sticks, byres [selection] around [angstoms]
> 
> You can load a map in a similiar manner.
> 
> This is also in the manual so I would suggest looking there 
> first, it's quicker than waiting for a list reply.
> 
> Cheers,
> JTM
> 
> 
> "We can be sure that if a detailed understanding of the 
> molecular basis of chemo-therapeutic activity were to be 
> obtained, the advance of medicine would be greatly accelerated."
> 
> Linus Pauling, Nobel Laureate 1954
> 
> "...everything that living things do can be understood in 
> terms of the jigglings and wigglings of atoms."
> 
> Richard Feynman, Nobel Laureate 1965
> 
> *************************
> Jason Thomas Maynes
> PhD/MD Program
> Department of Biochemistry
> Faculty of Medicine
> University of Alberta
> ja...@biochem.ualberta.ca
> *************************
> 
> ----- Original Message -----
> From: Stefano Marzi <stefano.ma...@unicam.it>
> Date: Monday, February 7, 2005 8:09 am
> Subject: [PyMOL] cut-off distance
> 
> > Hi,
> > Does anybody knows if PyMol is implemented with a cut-off distance 
> > feature, i.e. if I can select some atoms on my structure 
> and visualize 
> > only the portion of the fitted density map that is located at a 
> > defined distance from my selection?
> > Thank you
> > Stefano
> > 
> > __________________________________________________________
> > Stefano Marzi, Ph.D.      
> > Lab. di Genetica
> > Dip. Biologia M.C.A.      e-mail: stefano.ma...@unicam.it
> > Universita' di Camerino
> > 62032 Camerino, Italy
> > 
> > 
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> 
> 
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