The MULTI procedure expands the current color table to "wrap around" some number of times.
This routine is written in the IDL language. Its source code can be found in the file multi.pro in the lib subdirectory of the IDL distribution.
multi.pro
lib
MULTI, N
The number of times the color table will wrap. This parameter does not have to be an integer.
Display an image, load color table 1, and make that color table "wrap around" 3 times. Enter:
TVSCL, DIST(256) ; Display a simple image.
LOADCT, 1 ; Load color table 1.
MULTI, 3 ; See how the new color table affects the image.
STRETCH , XLOADCT
