NAME

       makepattern - make GMT color pattern from b/w pattern or icon

SYNOPSIS

       makepattern 1bit.ras | iconfile -Cfr/g/b -Cbr/g/b

DESCRIPTION

       makepattern  reads either a Sun 1-bit rasterfile OR a Sun icon file. It
       then accepts color choices for the foreground and background pixels and
       colorizes  the pattern, writing it as a 8-bit Sun rasterfile on stdout.
       These patterns may then be used in GMT (3.1 or later) -Gp  settings  or
       by psimage.

       1bit.ras | iconfile
              Either a 1-bit Sun rasterfile (standard format, no RLE) or a Sun
              icon file (as used in GMT 3.0).

       -Cf    Sets the color for the foreground pixels (the ones) [black].

       -Cb    Sets the color for the background pixels (the zeros) [white].

WIN32 fix

       Since binary redirection under WIN32 does not work,  you  must  specify
       the output file with -Gnewfile.ras. This option is only available under
       WIN32.

EXAMPLES

       To create a colorized red/blue 8-bit Sun rasterfile  pattern  from  the
       old 3.0-style iconpattern stored in file custom.icon, run

       makepattern custom.icon -Cf255/0/0 -Cb0/0/255 > custom.ras

       To  create  a  green/blue 8-bit Sun rasterfile pattern from a 1-bit Sun
       raster called bits.ras, run

       makepattern bits.ras -Cf0/255/0 -Cb0/0/255 > colorbits.ras

SEE ALSO

       gmt(GMTMANSECTION), psimage(GMTMANSECTION)



GMT4.0                            1 Oct 2004        MAKEPATTERN(GMTMANSECTION)