#!/usr/local/bin/python # Script: dump2pdb.py # Purpose: convert a LAMMPS dump file to PDB format # Syntax: dump2pdb.py dumpfile Nid Ntype Nx Ny Nz pdbfile template # dumpfile = LAMMPS dump file in native LAMMPS format # Nid,Ntype,Nx,Ny,Nz = columns #s for ID,type,x,y,z # (usually 1,2,3,4,5) # pdbfile = new PDB file # template = PDB file to use as template for creating new PDB file # this arg is optional, if not used a generic PDB file is created # Author: Steve Plimpton (Sandia), sjplimp at sandia.gov import sys,os path = os.environ["LAMMPS_PYTHON_TOOLS"] sys.path.append(path) from dump import dump from pdbfile import pdbfile if len(sys.argv) != 8 and len(sys.argv) != 9: raise StandardError, "Syntax: dump2pdb.py dumpfile Nid Ntype Nx Ny Nz pdbfile template" dumpfile = sys.argv[1] nid = int(sys.argv[2]) ntype = int(sys.argv[3]) nx = int(sys.argv[4]) ny = int(sys.argv[5]) nz = int(sys.argv[6]) pfile = sys.argv[7] if len(sys.argv) == 9: template = sys.argv[8] else: template = "" d = dump(dumpfile) d.map(nid,"id",ntype,"type",nx,"x",ny,"y",nz,"z") if template: p = pdbfile(template,d) else: p = pdbfile(d) p.one(pfile)