Convert MRC/MRCS images to png format files

mrc2png

#!/usr/bin/env python

import sys, mrcfile
import numpy as np
from skimage.io import imsave

if len(sys.argv)!=3:
    print(f"Usage: {sys.argv[0]} <input.mrc> <outputPrefix>")
    sys.exit(-1)

with mrcfile.open(sys.argv[1]) as mrc:
    for i in range(len(mrc.data)):
        vmin = np.min(mrc.data[i])
        vmax = np.max(mrc.data[i])
        d = (255*(mrc.data[i]-vmin)/(vmax-vmin)).astype(np.ubyte)
        imageFile = f"{sys.argv[2]}.{i+1}.png"
        imsave(imageFile, d)