can you tell me is it possible to make this gradient image in python for example with matplotlib contour plot (like the image of the centre of our galaxy?1
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Are you looking for a colormap using custom colors ? – endive1783 Feb 14 '22 at 09:44
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I only want to use black, whtie and red colors. – Artem Ulyashev Feb 16 '22 at 18:55
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You can use a custom colormap using LinearSegmentedColormap, see this answer
import matplotlib.pyplot as plt
import matplotlib.colors
cmap = matplotlib.colors.LinearSegmentedColormap.from_list("", ["black","red","white"])
plt.imshow(img, cmap = cmap)
endive1783
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