\Z { Introduction}{1}{1}
\Z { The character set}{12}{4}
\Z { GF file format}{17}{6}
\Z { Input and Output for binary files}{24}{10}
\Z { Reading the gf information}{36}{13}
\Z { Translating the input commands}{45}{15}
\Z { Processing and writing out the raster information}{56}{18}
\Z { OC file format}{70}{23}
\Z { WD file format}{75}{27}
\Z { The main program}{76}{28}
\Z { Index}{84}{31}