passband - Displays multiple passband images from a three-dimensional IFU NDF.

Description:

This shell script reads a three-dimensional IFU NDF as input and presents you with a white-light image of the cube. You can then select and $X$-$Y$ position using the cursor. The script will extract and display this spectrum next to the white-light image. You can then select a spectral range using the cursor and the script will display a passband image of the cube in that spectral range.

Usage:

passband [-i filename] [-o filename] [-z/+z]

Command-line Arguments

• -i filename
  The script will use this as its input file, the specified file should be a three-dimensional NDF. By default the script will prompt for the input file.

• -o filename
  An output two-dimensional NDF of the passband image. By default the output will be displayed only.

• -z
  The script will automatically prompt to select a region to zoom before prompting for the region of interest. [TRUE]
  +z
  The program will not prompt for a zoom before requesting the region of interest. [FALSE]

Implementation Status:

This script invokes a collection of A-tasks from the KAPPA package.