6.3. arith

Does arithmetic operations of FITS files.

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im arith

usage

im arith [-h] file operator other output

positional arguments

file A file path or pattern (e.g., “*.fits”)

operator Operator +, -, /, *, **, ^

other Fits or Number to Operate

output Output directory

options

-h, --help show this help message and exit

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6.3.1. Example:

im arith /PATH/TO/FILES*.fits + 200 /PATH/TO/DIRECTORY