# Very simple code to produce fake FITS data cubes of a specified size, used for testing data viewers

import numpy
import astropy
from astropy.io import fits as pyfits

cubesize = 750

newfitsfile = 'Fake_'+str(cubesize)+'.fits'

image = numpy.random.normal(0.0, 1.0, size=(cubesize, cubesize, cubesize))

pyfits.writeto(newfitsfile, image)