Locate Intensity Reference Windows

This option is used to define the reference windows. The reference intensities are determined automatically (although may be modified using [U Update reference intensities manually]), and the associated external field values are requested. Each call to this option will add further windows to those already defined. Use [I Initialise intensity mapping] to clear any existing windows if desired.

Specify intensity reference windows using which buffer ?

This entry specifies the buffer to be used while interactively specifying the reference windows. The mean intensity of each of the reference windows is used as the reference intensity for the windows. The contents of the buffer are not altered.

Window Selection: Intensity reference

The window selection submenu is produced for each reference window. The windows should be positioned within the intensity scale, preferably with a boarder of two or more pixels on each side. The windows should be as large as possible while maintaining an approximately uniform intensity across them. For assistence on operation of the windows submenu, consult [H Help] within the submenu.

Reference intensity for window ?

This entry specifies the reference intensity to be used for this window. The default value is the mean intensity for the window.

Reference concentration for window ?

This entry specifies the value of the external field to be associated with the intensity of the reference window.

Specify another intensity reference window ?

Answering yes (<Y>) allows a further window to be specified, while no (<N>) returns control to the parent menu.

Parent menu

Main Menu

DigImage User Documentation

Stuart Dalziel, last page update: 19 February 1996