Get Dihedral: Difference between revisions

From PyMOLWiki
Jump to navigation Jump to search
No edit summary
 
No edit summary
Line 1: Line 1:
===DESCRIPTION===  
===DESCRIPTION===  
  "get_dihedral" returns the dihedral angle between four atoms.  By
'''get_dihedral''' returns the dihedral angle between four atoms.  By default, the coordinates used are from the current state, however an alternate state identifier can be provided.
  default, the coordinates used are from the current state, however
 
  an alternate state identifier can be provided.
By convention, positive dihedral angles are right-handed (looking down the atom2-atom3 axis).
 
  By convention, positive dihedral angles are right-handed
  (looking down the atom2-atom3 axis).
===USAGE===
===USAGE===
    get_dihedral atom1, atom2, atom3, atom4 [,state ]
get_dihedral atom1, atom2, atom3, atom4 [,state ]
 
===EXAMPLES===
===EXAMPLES===
    get_dihedral 4/n,4/c,4/ca,4/cb
get_dihedral 4/n,4/c,4/ca,4/cb
  get_dihedral 4/n,4/c,4/ca,4/cb,state=4
get_dihedral 4/n,4/c,4/ca,4/cb,state=4
 
===PYMOL API===
===PYMOL API===
<source lang="python">
<source lang="python">
  cmd.get_dihedral(atom1,atom2,atom3,atom4,state=0)  
cmd.get_dihedral(atom1,atom2,atom3,atom4,state=0)
</source>
</source>
   
   
[[Category:Commands|get_dihedral]]
[[Category:Commands|get_dihedral]]

Revision as of 15:27, 3 January 2006

DESCRIPTION

get_dihedral returns the dihedral angle between four atoms. By default, the coordinates used are from the current state, however an alternate state identifier can be provided.

By convention, positive dihedral angles are right-handed (looking down the atom2-atom3 axis).

USAGE

get_dihedral atom1, atom2, atom3, atom4 [,state ]

EXAMPLES

get_dihedral 4/n,4/c,4/ca,4/cb
get_dihedral 4/n,4/c,4/ca,4/cb,state=4

PYMOL API

cmd.get_dihedral(atom1,atom2,atom3,atom4,state=0)