Cuts across the image are available in the View/Cuts menu (fig. 20).
Figure 20: Cuts menu
The greyscale values are plotted against the - or
-coordinates of the
image. Fig. 21 shows an overview at a constant
-coordinate.
Figure 21: Greyscale values at a constant -coordinate
Click on exact X cut to see an exact cut type 1 for constant $y$ and on exact Y cut to see an exact cut type 2 for constant $x$.