DITHER: A Subroutine for Simulating Gray-Level Images on TMDS and RJET

摘要

Subroutine DITHER, when used with appropriate LLL TV80LIB routines, takes gray-level picture data in shaded-raster-line format and produces a pseudo-gray-level picture suitable for viewing on LLL's Television Monitor Display System or Remote Job Entry Terminal electrostatic printer/plotters. DITHER can display a gray-level picture with 512 x 512 resolution as a pseudo-gray-level picture (also with 512 x 512 resolution) on a binary output device. Pictures with higher resolutions are compressed by DITHER to fit the 512 x 512 format. DITHER also produces simulated full color for color TMDS terminals. 4 figures. (ERA citation 05:006401)