make_contiguous

Import packages

import numpy as np
import porespy as ps
import scipy.ndimage as spim
import matplotlib.pyplot as plt
import skimage
ps.visualization.set_mpl_style()

Generate image for testing

im = np.random.randint(-10,10, [10,10], int)
print(im)

[[  2   7   4   7  -4 -10  -4   7   2 -10]
 [  4   3   3   5   7  -1   5   2  -6  -1]
 [  6 -10 -10   1   4  -8  -8  -1   0  -8]
 [  2   9   8   3   8 -10  -5  -1   8   7]
 [  0  -4   3  -3   6   0   2   1  -8   3]
 [ -8   0   4   5  -5   8   9  -9  -6  -5]
 [  0   8   0   3   0  -8  -5 -10  -1   8]
 [ -8   8   0  -1  -4   4   1  -7   6  -7]
 [-10   0   4   5  -8  -9 -10  -4   9   2]
 [ -2   2   3   7   5  -1  -6   6   9   4]]

fig, ax = plt.subplots(1, 1, figsize=[4, 4])
ax.imshow(im)
ax.axis(False)
ax.set_title(f"Minimum = {im.min()}");

Demonstrate function

im1 = ps.tools.make_contiguous(im=im, mode='keep_zeros')

fig, ax = plt.subplots(1, 1, figsize=[4, 4]);
ax.imshow(im1)
ax.axis(False)
ax.set_title(f"Minimum = {im1.min()}");