New Commands

The following new applications have been added:

DRAWNORTH

Draws a pair of arrows over previously displayed data indicating the direction of the axes at a specified position.

LUTCOLD

Loads a colour table which goes from black to white, passing through cold shades of pale blue and grey.

LUTEDIT

Creates or edits an graphics device colour table. It uses a graphical user interface to allow interactive manipulation of the colour table in many ways.

QUALTOBAD

Sets pixels bad in an NDF if they have a given combination of bits set in the QUALITY component.

REGRID

Applies an arbitrary geometrical transformation to an NDF. This is a WCS-aware replacement for the old TRANSFORMER command.

REMQUAL

Remove names for quality bits  in an NDF. The names removed are those stored previously in the NDF using SETQUAL.

SETQUAL

Assigns meaningful names for the quality bits in an NDF and also sets the corresponding bit for selected pixels in the NDF.

SHOWQUAL

Display any named qualities associated with pixels in an NDF. The names displayed are those previously assigned to pixels in the NDF using SETQUAL.