g = g_data (g, , , , ... )
ARGUMENTS:
, ,... : Write ,... (they should all have same width)
in a file named . Matrices are separated by an
empty line (so that gnuplot chops lines up), unless the
"-join" option is used.
OPTIONS:
"-step", : Write a blank line every lines in the next
written file (so that gnuplot chops lines up)
"-stops",[pos1, pos2,...] : Put a blank line after the pos1'th row, pos2'th
row etc.
"-join", : Do not put an empty line between the various matrices
of the next file.
"-label", yesno :
"-uint8", : Save data as uint8 (e.g. to plot as image later).
