How to show maximum variation of two dataset using contour plot with single colorbar?

Question

Subhodh Sharma 2022-3-11

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1669254-how-to-show-maximum-variation-of-two-dataset-using-contour-plot-with-single-colorbar

评论： Mathieu NOE 2022-3-16

I have attached two datasets (data1 and data2). The data1 has max value = 405.47 and min value=403.91. On the other hand, data2 has max value=403.95 and min value=397.18.

My problem is when I am trying to plot both these data using a common range only one plot explicitly shows the variation, whereas, in the other plot no variation is observable. The reason is both the data has very different distribution range.

I could use two different colorbar two show the variation holistically,but, I am looking for a solution using a single colorbar where I could show the variation of this data.

The code I tried so far

data1=load('data1.mat'); data2=load('data2.mat');
subplot(1,2,1)
contourf(data1)
caxis([395,406])
subplot(1,2,2)
contourf(data1)
caxis([395,406])

The above figure I am getting if I use the above code.

Thank you in advance.

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Answer 1

Mathieu NOE 2022-3-11

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https://ww2.mathworks.cn/matlabcentral/answers/1669254-how-to-show-maximum-variation-of-two-dataset-using-contour-plot-with-single-colorbar#answer_915189

在 MATLAB Online 中打开

hello

even without caxis , I simply used the jet colormap to have more colored contrasts

data1=load('data1.mat'); 
data1= data1.a;
data2=load('data2.mat');
data2=data2.b;
colormap('jet');
subplot(1,2,1)
contourf(data1)
subplot(1,2,2)
contourf(data2)
colorbar('vert');