The program PLATON should implement without problems from the files in the UNIX subdirectory. The fortran source compiles with the RedHat 5.2 distribution. On smaller systems (core + swapspace) a 'segmentation fault' will indicate that a smaller version should be tried. This can be done by changing the parameter NP21 to say 2000000 globally. **** NOTE: High Resolution assumed (1280*1024) *****