magentaPIPELINE /WIDGET creates a Widget that is used to customize
the process and launch the various steps. It also creates
(through a call to magenta@violet all-create) the blueALL% structure
and its components.
Figure:
The Pipeline control widget. The two first lines
of the widget cannot be modified directly. The Telescope
information is derived by button ORGANIZE from the data
set. The Spectral Line Catalog is defined through command magentaCATALOG.