How to set specific values in an array to a certain color when using imagesc?
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I have an array that is 100x100 filled with zeros. I want to set some cells to other values and have the cell change colour depending on the value.
i want cells that have a value of 1 to be green, a value 2 to be white, 3 to be brown and 0 to be blue.
how would i do this?
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Respuestas (1)
Miriam
el 20 de Nov. de 2018
You can define your own colormap as follows:
x = randi([0 3],10,10);
colors = [0 0 1;... % blue for 0
0 1 0;... % green for 1
1 1 1;... % white for 2
0.65 0.16 0.16]; % brown for 3, etc.
figure;
imagesc(x);
colormap(colors);
2 comentarios
Selva Kumar
el 20 de Mzo. de 2020
When there is no '1' or '2' in the matrix 'x', then this colormap doesnot work as intended.
Any solution for this issue ?
Stephen23
el 20 de Mzo. de 2020
"Any solution for this issue ?"
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