Plot in 3D isolines from 2D image

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Ibrahim
Ibrahim 2022-12-3
回答： DGM 2022-12-4
Hello,
I'd like to ask if someone could help me to undersand how can I plot isolines of a portion of map (terrain with differen elevation) in 3D plot in matlab? I have 2D coloured map with different isolines, each represents different elevation. I'd like to obtain 3D map

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回答（2 个）

Image Analyst
Image Analyst 2022-12-3
Is surfc what you want? Or one of the numerous contour functions?
DGM
DGM 2022-12-4
Ran in:
Or perhaps
[x y z] = peaks(50);
hs = surf(x,y,z); hold on
hs.EdgeAlpha = 0.5;
[~,hc] = contour3(x,y,z);
hc.LineWidth = 5;
Note that this is a scenario where two objects are dependent on the same colormap. Utilizing different colormaps for both the surf and contour requires extra work.

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