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model.make_valid_pdb_coordinates() -- make coordinates fit in PDB format

This command ensures that all of the model's coordinates can be written out to a PDB file. Since the PDB format is fixed width, there is a maximum size beyond which x, y or z coordinates cannot be represented; they cannot be smaller than -999.999 or larger than 9999.999. This command ensures that the coordinates lie in this range by simply reflecting them if necessary.

Automatic builds 2011-09-28