* * * DEMCT2 * * * 27-APR-78 ALLOWS INDEPENDENT MANIPULATION OF LINEAR SAWTOOTH WINDOWS WITHIN EACH OF THE PRIMARY COLOR INTENSITY TRANSFORMATION TABLES OF AN ID-2212/C-2V IMAGE DISPLAY SYSTEM WITH JOYSTICK OPTION. INITIALIZES LINEAR RAMPS IN THE COLOR INTENSITY TRANSFORMATION TABLES, DISPLAYING THE CHARACTERISTICS IN THE ANNOTATION OVERLAY TO THE LEFT AND RIGHT OF THE IMAGE VIEWING WINDOW, THEN ALLOWS MANIPULATION OF ANY COMBINATION OF THE THREE 1024-ELEMENT COLOR PRIMARY INTENSITY TRANSFORMATION TABLES IN AN ID-2212/C-V2 IMAGE DISPLAY SYSTEM BY JOYSTICK INPUT: (1) JOYSTICK X => WINDOW WIDTH; MOVEMENT TO THE RIGHT ENLARGES THE WINDOW, MOVEMENT TO THE LEFT DIMINISHES IT. (2) JOYSTICK Y => WINDOW CENTER; MOVEMENT UP MOVES THE WINDOW UP IN THE DATA, MOVEMENT DOWNWARD SHIFTS THE WINDOW DOWNWARD. ENTRY OF AN "X" PERMITS SELECTION OF NEW COLOR(S). ESCAPE FROM THE PROGRAM REQUIRES ENTERING A CONTROL-C.