Create a blank SimpleITK image with specified image information.

create-blank-image.py

#!/usr/bin/env python

import sys
import SimpleITK as sitk

if len(sys.argv) < 5:
    print('Usage: ' + sys.argv[0] + ' size0,size1,size2 spacing0,spacing1,spacing2 origin0,origin1,origin2 OutputImage')
    sys.exit(1)

size = [int(ss) for ss in sys.argv[1].split(',')]
origin = [float(ss) for ss in sys.argv[2].split(',')]
spacing = [float(ss) for ss in sys.argv[3].split(',')]
output_image_filename = sys.argv[4]

output_image = sitk.Image(size, sitk.sitkInt8)
output_image.SetOrigin(origin)
output_image.SetSpacing(spacing)
sitk.WriteImage(output_image, output_image_filename)