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Chandler/compress.py

Created November 21, 2017 23:10
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compress.py
import numpy as np
import rasterio
original = rasterio.open("original.tif").read()
# cmd:
# convert -compress LZW -type TrueColor original.tif lossless.tif
lossless = rasterio.open("lossless.tif").read()
# cmd:
# convert original.tif -type TrueColor lossy.jpg
lossy = rasterio.open("lossy.jpg").read()
print original.shape, lossless.shape, lossy.shape
#passes yay
np.testing.assert_almost_equal(original, lossless)
# fails
np.testing.assert_almost_equal(original, lossy)
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