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36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
import numpy as np
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import matplotlib.pyplot as plt
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from mpl_toolkits.axes_grid1 import make_axes_locatable
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def random_pixels(n_pixels, xmin=0, xmax=512, ymin=0, ymax=1024):
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"""Return a list of random pixels.
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Args:
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n_pixels (int): Number of pixels to return.
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rows (int): Number of rows in the image.
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cols (int): Number of columns in the image.
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Returns:
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list: List of (row, col) tuples.
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"""
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return [(np.random.randint(ymin, ymax), np.random.randint(xmin, xmax)) for _ in range(n_pixels)]
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def random_pixel(xmin=0, xmax=512, ymin=0, ymax=1024):
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"""Return a random pixel.
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Returns:
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tuple: (row, col)
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"""
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return random_pixels(1, xmin, xmax, ymin, ymax)[0]
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def flat_list(xss):
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"""Flatten a list of lists."""
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return [x for xs in xss for x in xs]
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def add_colorbar(ax, im, size="5%", pad=0.05):
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"""Add a colorbar with the same height as the image."""
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divider = make_axes_locatable(ax)
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cax = divider.append_axes("right", size=size, pad=pad)
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plt.colorbar(im, cax=cax)
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return ax, im, cax |