This is the command psblackNCARG that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
psblack - PostScript filter.
SYNOPSIS
psblack < input_PostScript_file > output_PostScript_file
DESCRIPTION
psblack is a filter which reads a PostScript file as input and writes a PostScript file as
output. In the output file the filter forces a black background and scales the intensity
values (values with R=G=B) so that any intensity greater than or equal to .8 is mapped to
white. This filter works only on PostScript files produced by ctrans - the CGM translator
in the NCAR Graphics software.
Use psblackNCARG online using onworks.net services
