Figure 6: Slope Subtract Window
The low and high values should be either entered by hand or will be filled in automatically by clicking on Compute Slope. The algorithm only uses the difference between the low and high values so that their absolute values are given only for convience.
The slope can be subtracted in either horizontal or vertical orientation.
Return to the main window and scale the image by selecting OK.
Return to the main window without applying the scale factor by selecting Cancel.