add data information with scatter or plot
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ELISABETTA BILLOTTA
le 20 Août 2021
Commenté : Turlough Hughes
le 21 Août 2021
I created circles like these with the plot and scatter function. but now I have to figure out how I can enter a different value for each point, each star. practically every point / star corresponds to a coordinate (x, y) but also to a value (z) that I have to insert and these z values are all different from each other. I would like to get to the point where by moving the mouse on a particular point / star, both the values of x and y can come out, but also that of z. how can I do?
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Turlough Hughes
le 20 Août 2021
Modifié(e) : Turlough Hughes
le 20 Août 2021
Personally, I would just use scatter3 and then look at the data from above (along the z-axis). So something like:
scatter3(x,y,z)
view(0,90)
axis equal
Modifying the datatip labels in a 2d scatter plot is also possible though:
hp = scatter(x,y);
hp.DataTipTemplate.DataTipRows(3) = dataTipTextRow('Z',z);
axis equal
The above code can be tested with the following data:
x = -1:0.1:1;
y = [sqrt(1-x.^2) -sqrt(1-x.^2)];
x = repmat(x,1,2);
z = rand(1,numel(x));
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