AIPS NRAO AIPS HELP file for TVBANDW in 31DEC22



As of Thu Jul 7 5:13:58 2022


TVBANDW: Verb to activate three types of black and white LUTs

INPUTS

TVCHAN          0.0        16.0    TV channel; 0 => enabled
                                   channels or all roam channels
COLORS          0.0         3.0    Color choice (0 all, RGB 1-3)
          Instructions will appear on terminal.

HELP SECTION

TVBANDW
Type:  Verb
Use:   Interactive function to enhance the display of an image plane in
       black and white.  It has some similarities to the pseudo color
       TVPSEUDO verb.  The resulting display can be colored with
       TVPSEUDO, TVPHLAME, et al.  Three methods are available.

       Press Button A for "step wedges" formed by linearly increasing
       the output from 0 to maximum over the width of each wedge.
       The cursor X position controls then number of wedges (1 - 16)
       and the cursor Y coordinate controls a gamma correction which
       affects the intensities.

       Hit button B to form colors from a sine wave in total intensity.
       The cursor X position controls the starting value of the sine
       wave and the number of sine waves (1 - 3).  The cursor Y
       coordinate controls a gamma correction which affects the
       intensities.

       Press button C to get a contours of constant output intensity
       from a range of input intensities.  The cursor X position
       controls the number of contours (2 - 64).  The cursor Y
       coordinate controls a gamma correction which affects the
       intensities.

       Press button D to exit.
Adverbs:
  TVCHAN.....Specifies the TV channel.  If zero, TVTRAN uses all
             enabled channels if not in roam mode.  If in roam mode,
             all channels participating in the roam are used.
  COLORS.....Specifies colors to be used as 0 => all, 1 => blue,
             2 => green, 3=> blue & green, 4 => red, 5 => red
             and blue, 6 => red and green, 7 => all.  Note that
             this is more general than that provided by some other
             verbs.

EXPLAIN SECTION


AIPS