This macro iterates through a directory of subdirectories each which contains three directories of timelapse images.
master_dir
timepoint00
Ph (each contains a sequence of individual files)
Ch2
Ch4
timepoint01
Ph
Ch2
Ch4
timepoint02
Ph
Ch2
Ch4
The user chooses the master_dir.
Each subdirectory of individual images is opened into a stack, processed, and saved as AVI.
process_nested_directories_macro_v100.txt