How I remove edge lines and add reference lines into contour plot generated with plot(array,'style','contour')?

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Deo 2017-3-31

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https://ww2.mathworks.cn/matlabcentral/answers/333022-how-i-remove-edge-lines-and-add-reference-lines-into-contour-plot-generated-with-plot-array-style

评论： Deo 2017-4-1

Hi

My matlab version is 2016b. I have three 861*1 double arrays; X, Y, Z I attached the .mat file for these variable. With the codes below, I generated attached contour plot. (I deeleted the attached matlab file and the image files due this question was solved.)

plot_data = fit ([X, Y], Z, 'cubicinterp');

contourplot = plot(plot_data,'style','contour');

1. How I remove black edge lines? -> I solved this issue with "set (plotname, 'edgecolor', 'none')"

2. I want to add two reference lines having Z values of 'min(Z)+1.00' and 'min(Z)+4.00'.

Below is image what I want to make. I made this one with OriginPro2016 but I need to make it with Matlab.

Thanks

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Answer 1

Joseph Cheng 2017-3-31

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https://ww2.mathworks.cn/matlabcentral/answers/333022-how-i-remove-edge-lines-and-add-reference-lines-into-contour-plot-generated-with-plot-array-style#answer_261272

在 MATLAB Online 中打开

you would do something like

clf
load variables
plot_data = fit ([X, Y], Z, 'cubicinterp');
contourplot = plot(plot_data,'style','contour');
 set (contourplot, 'edgecolor', 'none')
x= linspace(min(X),max(X));
y= linspace(min(Y),max(Y));
[xx yy]=meshgrid(x,y);
zz = plot_data(xx,yy);
hold on 
contourplotline = contour3(xx,yy,zz,[8.754 11.75],'LineWidth',2,'color','k');