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Chapter 9
Image Math
Introduction
Selecting Image Math on the Process Menu opens the Math dialog box (Figure 126),
which allows mathematical operations to be performed on one file or between two data
files with the result written to a third. The Math dialog box contains four tab pages, one
for each of the three possible files,
A
,
B
, and
C
, and the other,
Operation
, for selecting
the operation to be performed, which is always mathematically displayed at the top of
the dialog box. There are four buttons at the bottom of the dialog box, Mouse, Process,
Cancel and Help. Their function is as follows.
Mouse:
Allows you to specify a region to be processed using the mouse. Simply drag a
box in the data region of the active window and then click on
Mouse
. The
Frame
and
Range
parameters will assume the values of the defined region.
Note that the
Mouse
button is only active when the
A
or
B
tab page is selected.
Process:
Causes the specified operation to be performed.
Cancel:
Exits the dialog box without performing any processing. Any changes to the
dialog are lost.
Help:
Accesses context-sensitive Help for the page.
Figure 126.
Image Math
dialog box.