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Slicing the spectral cube

Button	Function
	Select a slice of the cube to display on the image panel

By clicking the icon, a span selector is activated on the spectral panel. At this point, by clicking and dragging the mouse it is possible to select a slice of the cube in the spectral direction which is considered to produce the images on the image panel. A region shaded in light green will indicate the wavelength range selected. This range is considered to obtain the mean values of the flux (uncorrected flux, exposure map) images displayed in the image panel on the left.

Finally, by clicking and dragging the green triangle on the limits of the range selected, it is possible to vary the range.