Source: cli/plot/plot_x_opts.pro
plot_x_opts Set miscellaneous X plotting options Usage: plot_x_opts, <keys> Keywords: black If set, then use a black background white If set, then use a white background index int The window index to use. global This setting applies to the global plot environment even if the current dataset has its own. dataset This setting is only applied if the dataset has its own plot object. jpeg Set the use of JPEG as the screen dump format. png Set the use of PNG as the screen dump format. History: Original: 24/7/00; SJT Add global and dataset keys and use dataset: 27/5/02; SJT Added JPEG & PNG keys: 17/7/02; SJT