"scaling the images, so that the maximums would be the same"

import numpy as np
import h5py
import argparse

parser = argparse.ArgumentParser()
parser.add_argument("--infile", type = str, help = "input file with all the calculated images")
parser.add_argument('--converted', type = str, help = 'name of the converted data file')

args = parser.parse_args()


with h5py.File(args.infile, 'r') as input_images, h5py.File(args.converted, 'w') as converter:
    for name in input_images:
        if isinstance(input_images[name], h5py.Group):
            input_images.copy(name, converter)

    def conv(name, obj):
        if isinstance(obj, h5py.Dataset):
            data = obj[:]
            mod = data / np.max(data) * 100
            obj[...] = mod

    converter.visititems(conv)