plot_open

Source: cli/plot/plot_open.pro

 plot_open
        Open the plotting device.

 Usage:
        plot_open

 Keywords
        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.

 Notes:
        This routine is provided for users wishing to make use of the
        IDL_HS plotting system for other purposes than displaying
        datasets.

 History:
        Original: 20/10/00; SJT
        Add global and dataset keys and use dataset: 27/5/02; SJT