Sums up images xtal_001.mar1200
to xtal_005.mar1200 and xtal_006.mar1200 to xtal_010.mar1200. The 2 resulting
output files are named xtal_001:005.mar1200 and xtal_006:010.mar1200.
marcombine
-a 5 -b 4 xtal 1 10 mar1200
Sums up images xtal_001.mar1200 to xtal_005.mar1200,
xtal_002.mar1200 to xtal_006.mar1200, ..., and xtal_006.mar1200 to xtal_010.mar1200.
The 6 resulting output files are named xtal_001:005.mar1200, xtal_002:006.mar1200,
... and xtal_006:010.mar1200.
marcombine x_001.mar1200 y_001.mar1200
Sums up
images x_001.mar1200 and y_001.mar1200. The resulting output file is named
x_001+y_001.mar1200.
marcombine -s x_001.mar1200 y_001.mar1200
Subtracts images
y_001.mar1200 from x_001.mar1200. The resulting output file is named x_001-y_001.mar1200.