GPCLOSE closes the current graphics output file. INPUT PARAMETERS None PROGRAM DESCRIPTION This program closes the graphics output file, if the current device produces an intermediate plot file. The plot file commands may be sent to the device using GPOUT. It is not necessary to call GPCLOSE before calling GPOUT. ERROR MESSAGES [GPCLOSE -1] Fatal error initializing TAE. [GPCLOSE -3] Fatal error initializing GEMPLT.