Do not launch the display system. No data will be displayed and GWM, GAIA etc. windows will not be launched.
Launch a recipe viewer window along with the log Xwindow
Log to terminal screen (standard out)
Log to a file. The logfile is called .oracdr_NNNN.log where NNNN is the current process ID. It is written to $ORAC_DATA_OUT and is a hidden file.
Log to a file using HTML to provide formatting. The logfile is called .oracdr_NNNN.html where NNNN is the current process ID. It is written to $ORAC_DATA_OUT and is a hidden file.
Log to an Xwindow. Has the advantage that warnings and errors are written to different, independently scrollable windows.
The three log options can be combined. The default is -log sx
To run ORAC-DR using output only within the xterm that you used to invoke it in, use -nodisplay -log s. This is the fastest way to run the pipeline if you are not interested in visually inspecting the data as it is being reduced.
ORAC-DR: Overview and General Introduction