CharmmCrdFile

class simtk.openmm.app.charmmcrdfiles.CharmmCrdFile(fname)

Reads and parses a CHARMM coordinate file (.crd) into its components, namely the coordinates, CHARMM atom types, resid, resname, etc.

natom

int

Number of atoms in the system

resname

list

Names of all residues

positions

list

All cartesian coordinates [x1, y1, z1, x2, ...]

Examples

>>> chm = CharmmCrdFile('testfiles/1tnm.crd')
>>> print '%d atoms; %d coords' % (chm.natom, len(chm.positions))
1414 atoms; 1414 coords
__init__(fname)

Methods

__init__(fname)