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Save nice master pattern image

This example shows how to save a master pattern in the stereographic projection without a background to file.

In [ ]:
%matplotlib inline

import kikuchipy as kp
import matplotlib.pyplot as plt
import numpy as np
from skimage.color import gray2rgba
In [ ]:
mp = kp.data.nickel_ebsd_master_pattern_small(
    projection="stereographic",
    energy=20,
    hemisphere="north"
)

mp.rescale_intensity(out_range=np.float32)
data = gray2rgba(mp.data)
mask = data[..., 0] == 0
data[mask, -1] = 0
In [ ]:
plt.figure()
plt.imshow(data)
plt.axis("off");

#plt.imsave("masterpattern.png", arr=data, cmap="gray")