# Script for preprocessing images and saving preprocessed images
# Replace the directory names below with actual ones
# Comments are preceded by #s

# Specify the names of the source and destination directories

source_directory = Label( "F:\Images astro\ASI094\CruCar" )

dark_directory = Label( "Darks" )
flat_directory = Label( "Flats" )
light_directory = Label( "Lights" )
preprocessed_directory = Label( "Preprocessed" )

SetDirectory( source_directory )

# Produce master dark with a median Combine
Open[0,0,0,2]( dark_directory )
master_dark = Combine[3]( "Dark frames" )

# Produce master flat with a median Combine
Open[0,0,0,3]( flat_directory )
master_flat = Combine[3]( "Flat fields" )

# Dark subtraction; include subdirectories using option [1]
Preprocess[1]( light_directory, master_dark )

# Flat fielding; dark-subtracted images are closed without saving using option [1]
Preprocess[1]( master_flat )

# Do not save master dark or master flat; they are easy to reproduce
Close( master_dark, master_flat )

# Save preprocessed images
SaveAll( preprocessed_directory )

# Close all images; preprocessed_directory contains saved preprocessed images
CloseAll()