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Chapter 15 Menus and Dialog Boxes 219
In those math operations which involve two files or one file and a constant, the second
input file (or the constant) is specified via the
B
tab page. A description of the items on
this page follows. See Chapter 9 for a discussion of Image Math.
Note:
When performing math with two files, the length and width of the data regions to
be processed must be the same. The two regions don’t have to be congruent, but their
length and width must be equal.
Parameters
Input File B vs. Constant B:
These radio buttons determine whether
B
will be a file
or a constant. If
Constant B
is selected, the value of the constant can be
entered in the associated box. If
Input File B
is selected, the name of the
second input file is entered in the
Name
text box. The button at the end of the
box opens a browser to facilitate locating and selecting the file.
Frame:
If the
B
Input data file contains more than one frame, you can select which
frames are to be processed. The number of frames in the Output file will be
adjusted to match. The default is to process all frames.
X Range:
If you do not want to process the entire Input data range, select the range of X
values you would like to process. The Output X range will adjust automatically
to match. The default is to process all points.
Y Range:
If you do not want to process the entire Input data range, select the range of Y
values you would like to process. The Output Y range will adjust automatically
to match. The default is to process all points.
Datatype:
The datatype of the
B
file is reported and cannot be changed.
Control Buttons:
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. An
ROI mismatch error message will appear if the absolute values of the A and B
data regions aren’t the same. Note that the
Mouse
button is only active when
the
A
or
B
tab page is selected.
Process:
Initiates the selected operation.
Close:
Closes the window with no action taken.
Help:
Opens context-sensitive help for the active tab page.
Binning and Skipping (post processing)
General discussion:
Chapter 11.
Input tab page:
pg. 286
Parameters tab page:
pg. 308
Output tab page:
pg. 307