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From the command line

Since not all platforms support the GTK+ library, the fit procedure can also be started from the command line. This is done by calling:
cora_fit

If no parameter file is supplied, a standard file fit.inp is created with cora_inp (cf. Sect. 6) before starting. A different input-file name can be specified by typing:
cora_fit -i otherinputfile .
A spectrum file in the right format (Sect. 5.1.1) in mandatory is by default expected to be named spectrum.dat. If you want to specify another spectrum file than spectrum.dat, this can be done by typing:
cora_fit -i parameter_file -s spectrum_file

Another option is the re-plotting option -r resfile, where resfile indicates a text file with $7$ lines containing line data with wavelengths $\pm$ errors, line widths $\pm$ errors, amplitudes $\pm$ errors and a source background value in units [counts/bin]. A file with the correct format is created when activating the parameter ires to plot the fit results into a file (default cora.dat); cf. Sect. 8. Another output file name can be specified with the option -o outfile.

When experimenting it may be desired to have a quick way of selecting lines for fitting without having to change the input-file. This is provided by calling the program with
cora_fit -g.
After loading the spectrum, an interactive X-window with the complete spectrum will pop up, where lines can be selected by mouse click. The left mouse button is used to set boundaries for viewing small parts of the total spectrum. Selecting lines is done with the right mouse button. Further commands to be entered from the keyboard are explained on top of the graph.


next up previous contents
Next: Command-line options Up: Starting the program Previous: The line display window   Contents
Jan-Uwe Ness
2003-05-23