How to get more color gradient on a surface plot?
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I have made a surface plot. The color gradient is mostly dark blue. How can I adjust the color gradient to get more colors?
Adjusting the color map in the plot tools does not work.
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Accepted Answer
Image Analyst
on 9 May 2015
You need to manually build a non linear colormap. Attach your data and script so people can show you how.
11 Comments
Walter Roberson
on 11 May 2015
I don't think you did what I asked. I think you did
surf(Xm, Ym, log10(Zm)); set(gca,'ZScale','log');
or else
surf(Xm, Ym, log10(Zm), Zm); set(gca,'ZScale','log');
or else
surf(Xm, Ym, log10(Zm), log10(Zm)); set(gca,'ZScale','log');
but what I asked for was
surf(Xm, Ym, Zm, log10(Zm)); set(gca,'ZScale','log');
You would only get the error you did if you had negative Zm or negative log10(Zm) in the third position in conjunction with log axis.
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