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Isis 2 Documentation


b16mad Documentation

B16MAD - Perform algebra on 16 bit images
Programmer: EELIASON
B16MAD performs simple algebra on one or two input files. One of the
two equations shown below is applied to the input file(s).

OUT(i,j) = MUL1*IN1(i,j) + ADD (one input file)
                   or
OUT(i,j) = MUL1*IN1(i,j) + MUL2*IN2(i,j) + ADD (two input files)

B16MAD works on 16-bit data only.

ParmDescriptionDefault
FROM
INPUT FILE(S). ENTER
1 OR 2 INPUT FILE NAMES
NONE
TO
OUTPUT FILE NAME
NONE
MUL1
MULTIPLY BY INPUT FILE 1
1.0
MUL2
MULTIPLY BY INPUT FILE 2
(IF TWO INPUT FILES)
1.0
ADD
ADDITIVE CONSTANT
0.0
NULL
NULL VALUE
0
SL
STARTING LINE
1
SS
STARTING SAMPLE
1
NL
NUMBER OF LINES
0
NS
NUMBER OF SAMPLES
0
LINC
LINE INCREMENT
1.
SINC
SAMPLE INCREMENT
1.

ADDITIONAL NOTES:

ParmDescription
MUL1
Used in the equation:

If two input files specifed:
OUT(i,j) + MUL1*IN1(i,j) + MUL2*IN(i,j) + ADD

If one input file specified:
OUT(i,j) = MUL1*INI1(i,j) + add
MUL2
Used in the equation:

If two input files specifed:
OUT(i,j) + MUL1*IN1(i,j) + MUL2*IN(i,j) + ADD

If one input file specified:
OUT(i,j) = MUL1*INI1(i,j) + add
ADD
Used in the equation:

If two input files specifed:
OUT(i,j) + MUL1*IN1(i,j) + MUL2*IN(i,j) + ADD

If one input file specified:
OUT(i,j) = MUL1*INI1(i,j) + add
NULL
This is the DN value which is given to all non image area
pixels. When the B16MAD encounters a null value in either
of the two input files, the output pixel will be set to
null
NL
Number of lines.  The default is 0 which will process all
lines of the image.
NS
Number of samples.  The default is 0 which will process all
samples of the image.
SL
Starting line.  The default is 1 which will start the
processing with the first line or top of the image.
SS
Starting sample.  The default is 1 which will start the
processing with the first sample or left side of the image.
LINC
Line increment.  The default is 1.0 which will process each
line of the image.  LINC=2.0 will process every other line
and the output image will have half as many lines as the
input.  LINC=.5 will process each line twice and the output
image will have twice as many lines as the input.
SINC
Sample increment.  The default is 1.0 which will process
each sample of the image.  SINC=2.0 will process every other
sample and the output image will have half as many samples
as the input.  SINC=.5 will process each sample twice and
the output image will have twice as many samples as the
input.

Last updated: Jan 31 2005
File: pdfs3.html

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