How to plot black line contours on an already plotted contourf plot?
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Hello all,
I have two matrices with the same dimensions. I would like to plot the first one as a colored contourf plot. Then, I want to plot the second matrix as, say, black line contoures on the first plot. Using 'hold on' however does not work in this case as the first plot is simply being runned over. How can I do this?
At the moment I use the following for the first contourf plot
figure1 = figure('InvertHardcopy','off','Color',[1 1 1]);
Y = var1;
X = var2;
Z = velocity;
%
L = 100;
x = linspace(min(X),max(X),L);
y = linspace(min(Y),max(Y),L);
[Xi,Yi] = meshgrid(x,y);
Zi = griddata (X,Y,Z1,Xi,Yi);
contourf(Xi,Yi,Zi)
Thanks in advance,
Ron
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Antworten (1)
darova
am 21 Jun. 2020
This should be helpfull
[x,y,z] = peaks(20);
contourf(x,y,z,-6:2:6,'linew',2)
hold on
contour(x,y,z,[2 2],'r','linew',3)
hold off
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