LABEL - Draw the axis labels and title on the plot

Description:

Draw the axis labels and the title on the plot. If the COLUMNS parameter is specified, the axis labels are obtained from the column labels read from the data file.

Usage:

label [xlabel] [ylabel] [title]

Parameters:

XLABEL = _CHAR (Read and Write)

The X-axis label.

If no value is specified on the command line, then if COLUMNS is TRUE the value is taken from the column heading in the data file, otherwise the value of the global parameter PONGO_XLABEL is used. If PONGO_XLABEL is not defined, the value " " is used.

YLABEL = _CHAR (Read and Write)

The Y-axis label.

If no value is specified on the command line, then if COLUMNS is TRUE the value is taken from the column heading in the data file, otherwise the value of the global parameter PONGO_YLABEL is used. If PONGO_YLABEL is not defined, the value " " is used.

TITLE = _CHAR (Read and Write)

The plot title.

[The value of the global parameter PONGO_TITLE is used. If PONGO_TITLE is not defined, the value " " is used.]

COLUMNS = _LOGICAL (Read)

If TRUE, the values of the X and Y labels will be obtained from the column headings in the data file. [FALSE]