Used With Routines: BAR3D,  CONTOUR,  CONTOURFS,  CONTOUR2,  OPLOT,   PLOT,  SHADE_SURF,  SHADE_SURF_IRR,  SURFACE

Corresponding System Variable:  !P.Background.

The background color index to which the screen is set when the ERASE procedure is called.

The content of the graphics window will be printed exactly as shown on the screen. In order to improve visibility, change the color of the background to white. When displaying plots that you plan to print in PostScript, use the Background keyword to set the background color to white.

To produce a black plot with a white background on a color display:

PLOT, y, Background = 255, Color = 0