How can I print the heatmap as grayscale?

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A = rand(5)
heatmap(A, option)
I want to see heatmap in grayscale.
OR
Can I use 'saveas' to save in grayscale?

Accepted Answer

J Chen
J Chen on 12 Apr 2021
heatmap(A)
colormap(gray)
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More Answers (1)

Richard Quist
Richard Quist on 6 Dec 2021
As of R2021a the exportgraphics function supports a Colorspace option for both image and vector formats that you can use to generate grayscale output:
exportgraphics(gca, 'output.jpg', 'colorspace', 'gray');
exportgraphics(gca, 'output.pdf', 'colorspace', 'gray');

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