def run(self): # I'm guessing self.data_manager, self.params and self.logger # are already defined here... # this must be mmtbx.model.manager? model = self.data_manager.get_model() atoms = model.get_atoms() all_bsel = flex.bool(atoms.size(), False) for selection_string in self.params.atom_selection_program.inselection: print("Selecting '%s'" % selection_string, file=self.logger) isel = model.iselection(string=selection_string) all_bsel.set_selected(isel, True) if self.params.atom_selection_program.write_pdb_file is None: print(" %d atom%s selected" % plural_s(isel.size()), file=self.logger) for atom in atoms.select(isel): print(" %s" % atom.format_atom_record(), file=self.logger) print("", file=self.logger) if self.params.atom_selection_program.write_pdb_file is not None: print("Writing file:", show_string( self.params.atom_selection_program.write_pdb_file), file=self.logger) ss_ann = model.get_ss_annotation() if not model.crystal_symmetry() or \ (not model.crystal_symmetry().unit_cell()): model = shift_and_box_model(model, shift_model=False) selected_model = model.select(all_bsel) if (ss_ann is not None): selected_model.set_ss_annotation(ss_ann.\ filter_annotation( hierarchy=selected_model.get_hierarchy(), asc=selected_model.get_atom_selection_cache(), remove_short_annotations=False, remove_3_10_helices=False, remove_empty_annotations=True, concatenate_consecutive_helices=False, split_helices_with_prolines=False, filter_sheets_with_long_hbonds=False)) if self.params.atom_selection_program.cryst1_replacement_buffer_layer is not None: box = uctbx.non_crystallographic_unit_cell_with_the_sites_in_its_center( sites_cart=selected_model.get_atoms().extract_xyz(), buffer_layer=self.params.atom_selection_program. cryst1_replacement_buffer_layer) sp = crystal.special_position_settings(box.crystal_symmetry()) sites_frac = box.sites_frac() xrs_box = selected_model.get_xray_structure( ).replace_sites_frac(box.sites_frac()) xray_structure_box = xray.structure(sp, xrs_box.scatterers()) selected_model.set_xray_structure(xray_structure_box) pdb_str = selected_model.model_as_pdb() f = open(self.params.atom_selection_program.write_pdb_file, 'w') f.write(pdb_str) f.close() print("", file=self.logger)
def run(args, command_name=libtbx.env.dispatcher_name): parser = argparse.ArgumentParser( prog=command_name, usage='%s pdb_file "atom_selection" [...]' % command_name) parser.add_argument("file_name", nargs=1, help="File name of the model file") parser.add_argument( "inselections", help="Atom selection strings", nargs='+', ) parser.add_argument("--write-pdb-file", action="store", help="write selected atoms to new PDB file", default=None) parser.add_argument( "--cryst1-replacement-buffer-layer", action="store", type=float, help="replace CRYST1 with pseudo unit cell covering the selected" " atoms plus a surrounding buffer layer", default=None) co = parser.parse_args(args) pdb_inp = iotbx.pdb.input(file_name=co.file_name[0]) model = mmtbx.model.manager(model_input=pdb_inp, process_input=True) atoms = model.get_atoms() all_bsel = flex.bool(atoms.size(), False) for selection_string in co.inselections: print selection_string isel = model.iselection(selstr=selection_string) all_bsel.set_selected(isel, True) if (not co.write_pdb_file): print " %d atom%s selected" % plural_s(isel.size()) for atom in atoms.select(isel): print " %s" % atom.format_atom_record() print if (co.write_pdb_file): print "Writing file:", show_string(co.write_pdb_file) selected_model = model.select(all_bsel) if (co.cryst1_replacement_buffer_layer is not None): box = uctbx.non_crystallographic_unit_cell_with_the_sites_in_its_center( sites_cart=selected_model.get_atoms().extract_xyz(), buffer_layer=co.cryst1_replacement_buffer_layer) sp = crystal.special_position_settings(box.crystal_symmetry()) sites_frac = box.sites_frac() xrs_box = selected_model.get_xray_structure().replace_sites_frac( box.sites_frac()) xray_structure_box = xray.structure(sp, xrs_box.scatterers()) selected_model.set_xray_structure(xray_structure_box) pdb_str = selected_model.model_as_pdb() f = open(co.write_pdb_file, 'w') f.write(pdb_str) f.close() print
def run(self): # I'm guessing self.data_manager, self.params and self.logger # are already defined here... # this must be mmtbx.model.manager? model = self.data_manager.get_model() atoms = model.get_atoms() all_bsel = flex.bool(atoms.size(), False) for selection_string in self.params.atom_selection_program.inselection: print("Selecting '%s'" % selection_string, file=self.logger) isel = model.iselection(selstr=selection_string) all_bsel.set_selected(isel, True) if self.params.atom_selection_program.write_pdb_file is None: print(" %d atom%s selected" % plural_s(isel.size()), file=self.logger) for atom in atoms.select(isel): print(" %s" % atom.format_atom_record(), file=self.logger) print("", file=self.logger) if self.params.atom_selection_program.write_pdb_file is not None: print("Writing file:", show_string( self.params.atom_selection_program.write_pdb_file), file=self.logger) selected_model = model.select(all_bsel) if self.params.atom_selection_program.cryst1_replacement_buffer_layer is not None: box = uctbx.non_crystallographic_unit_cell_with_the_sites_in_its_center( sites_cart=selected_model.get_atoms().extract_xyz(), buffer_layer=self.params.atom_selection_program. cryst1_replacement_buffer_layer) sp = crystal.special_position_settings(box.crystal_symmetry()) sites_frac = box.sites_frac() xrs_box = selected_model.get_xray_structure( ).replace_sites_frac(box.sites_frac()) xray_structure_box = xray.structure(sp, xrs_box.scatterers()) selected_model.set_xray_structure(xray_structure_box) pdb_str = selected_model.model_as_pdb() f = open(self.params.atom_selection_program.write_pdb_file, 'w') f.write(pdb_str) f.close() print("", file=self.logger)