plot ontop of 3d scatter plot

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Maximilian Dio 2021-9-24

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回答： Sivani Pentapati 2021-9-30

Hello I want to plot a curve in 3d in a scatter plot which fills the same space. One can not see the curve well because it is always obsured by the scatter plot. how can I make the curve always on top / not obscured by the 3d scatter plot anymore. should I use 2 axes??

Thanks in advance

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Answer 1

Sivani Pentapati 2021-9-30

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Based on my understanding, you want the curve to be on top of the scatter plot. This can be done using hold on with scatter plot followed by the plot of the curve. Please refer to the below example code. You can also refer to documentation of hold on for more information

figure
[X,Y,Z] = sphere(16);
x = [0.5*X(:); 0.75*X(:); X(:)];
y = [0.5*Y(:); 0.75*Y(:); Y(:)];
z = [0.5*Z(:); 0.75*Z(:); Z(:)];
scatter3(x,y,z)
hold on
[X,Y] = meshgrid(-5:0.5:5,-5:0.5:5);
Z = sin(X) + cos(Y);
surf(X,Y,Z)