Saving a Numpy array as an image (instructions)

Question

I found my answer in a previous post: Saving a Numpy array as an image. The only problem being, there isn\'t much instruction on using the PyPNG module.

There are only

Answer 1

You might be better off using PIL:

from PIL import Image
import numpy as np

data = np.random.random((100,100))

#Rescale to 0-255 and convert to uint8
rescaled = (255.0 / data.max() * (data - data.min())).astype(np.uint8)

im = Image.fromarray(rescaled)
im.save('test.png')