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Demonstrates a method of getting form coefficients separately fwd and aft of a given hull section.
    `Demonstrates a method of getting form coefficients separately fwd and aft
    `of a given hull section.
    project cpfcpa
    read tanker.gf
    lbp 0 47.25f 94.5f `<-- will use midsection as the dividing plane
    macro slice
     create slicer
     class hull
     ends {mp} %2999
     top 100
     bot -100
     out 100
     //
     create hull\hull%1.c
     shape hull.c
     fit slicer
     //
     delete slicer
    /
    enter pm
    .slice f
    .slice a -
    delete hull.c
    write sliced.gf
    quit pm
    draft 6
    macro comp
     comp hull\hull%1.c /form
    /
    .comp f
    .comp a
    
    

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