orthogonal projection of 3D nodes onto a 2D plane

Question

Alberto Acri 2024-6-8

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2126706-orthogonal-projection-of-3d-nodes-onto-a-2d-plane

编辑： Matt J 2024-6-8

采纳的回答： Matt J

xyz.mat

在 MATLAB Online 中打开

I need to project 3D nodes (nodes) onto a 2D plane that I got from the code in FEX.

load xyz
fobjPlane=planarFit(xyz);
for i=1:2
    subplot(1,2,i);
    [hL,hD]=plot(fobjPlane); %Visualize the fit
end
legend([hL,hD],'Plane fit', 'XYZ samples', 'Location','northoutside','FontSize',15);
subplot(1,2,1)
view([-69.5 -24.6])
subplot(1,2,2)
view([9.6 -35.2])

So I need to always get nodes in space however that lie on that plan.

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Answer 1

Matt J 2024-6-8

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2126706-orthogonal-projection-of-3d-nodes-onto-a-2d-plane#answer_1469116

编辑：Matt J 2024-6-8

在 MATLAB Online 中打开

You should post questions about a FEX file on the submission's FEX Discussion forum, since only its author is likely to have the answer. In any case, the answer is to use the fobjplane objects' project2D() method, as demonstrated at the FEX page in the Advanced Topics section of the Examples tab,

fobjplane.project2D(xyz)