3D plot, draw (X,Y,Z,value)

4 次查看（过去 30 天）
Mohamed Nafea
Mohamed Nafea 2022-8-27
编辑： Chunru 2022-8-28
how to performe a plot like contours (X,Y,Z,Value)
I have a set of data
for example
(1,1,1)=5
(1,1,2)=7
(1,2,1)=6
i want to plot it like a 3D with legend
Sample for the data
X Y Z Value
1 1 0.000 1.000
1 1 0.005 2.000
1 1 0.010 3.000
1 1 0.015 4.000
1 1 0.020 5.000
1 1 0.025 6.000
1 2 0.000 7.000
1 2 0.005 8.000
1 2 0.010 9.000
1 2 0.015 10.000
1 2 0.020 11.000
1 2 0.025 12.000
i 3 0.000 13.000
1 3 0.005 14.000
1 3 0.010 15.000
1 3 0.015 16.000
1 3 0.020 17.000
1 3 0.025 18.000
2 1 0.000 19.000
2 1 0.005 20.000
2 1 0.010 21.000
2 1 0.015 22.000
2 1 0.020 23.000
2 1 0.025 24.000
2 2 0.000 25.000
2 2 0.005 26.000
2 2 0.010 27.000
2 2 0.015 28.000
2 2 0.020 29.000
2 2 0.025 30.000
2 3 0.000 31.000
2 3 0.005 32.000
2 3 0.010 33.000
2 3 0.015 34.000
2 3 0.020 35.000
2 3 0.025 36.000
  2 个评论
Star Strider
Star Strider 2022-8-27
Ran in:
This does not make sense to me.
I’m posting this in the event someone else may have some insight into it —
xyzv = [ 1 1 0.000 1.000
1 1 0.005 2.000
1 1 0.010 3.000
1 1 0.015 4.000
1 1 0.020 5.000
1 1 0.025 6.000
1 2 0.000 7.000
1 2 0.005 8.000
1 2 0.010 9.000
1 2 0.015 10.000
1 2 0.020 11.000
1 2 0.025 12.000
1 3 0.000 13.000
1 3 0.005 14.000
1 3 0.010 15.000
1 3 0.015 16.000
1 3 0.020 17.000
1 3 0.025 18.000
2 1 0.000 19.000
2 1 0.005 20.000
2 1 0.010 21.000
2 1 0.015 22.000
2 1 0.020 23.000
2 1 0.025 24.000
2 2 0.000 25.000
2 2 0.005 26.000
2 2 0.010 27.000
2 2 0.015 28.000
2 2 0.020 29.000
2 2 0.025 30.000
2 3 0.000 31.000
2 3 0.005 32.000
2 3 0.010 33.000
2 3 0.015 34.000
2 3 0.020 35.000
2 3 0.025 36.000 ];
Xm = reshape(xyzv(:,1),6,[])
Xm = 6×6
1 1 1 2 2 2 1 1 1 2 2 2 1 1 1 2 2 2 1 1 1 2 2 2 1 1 1 2 2 2 1 1 1 2 2 2
Ym = reshape(xyzv(:,2),6,[])
Ym = 6×6
1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3
Zm = reshape(xyzv(:,3),6,[])
Zm = 6×6
0 0 0 0 0 0 0.0050 0.0050 0.0050 0.0050 0.0050 0.0050 0.0100 0.0100 0.0100 0.0100 0.0100 0.0100 0.0150 0.0150 0.0150 0.0150 0.0150 0.0150 0.0200 0.0200 0.0200 0.0200 0.0200 0.0200 0.0250 0.0250 0.0250 0.0250 0.0250 0.0250
Vm = reshape(xyzv(:,4),6,[])
Vm = 6×6
1 7 13 19 25 31 2 8 14 20 26 32 3 9 15 21 27 33 4 10 16 22 28 34 5 11 17 23 29 35 6 12 18 24 30 36
figure
surf(Xm,Ym,Zm)
colormap(turbo(5))
.
dpb
dpb 2022-8-27
Perhaps @John D&#39;Errico's <HighDimensionalPlottingIssues> will be of some conceptual benefit to the poster...

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回答（1 个）

Chunru
Chunru 2022-8-28
编辑：Chunru 2022-8-28
Ran in:
You can use scatter3 with marker size/color to represent value, though it is not a contour.
xyzv = [ 1 1 0.000 1.000
1 1 0.005 2.000
1 1 0.010 3.000
1 1 0.015 4.000
1 1 0.020 5.000
1 1 0.025 6.000
1 2 0.000 7.000
1 2 0.005 8.000
1 2 0.010 9.000
1 2 0.015 10.000
1 2 0.020 11.000
1 2 0.025 12.000
1 3 0.000 13.000
1 3 0.005 14.000
1 3 0.010 15.000
1 3 0.015 16.000
1 3 0.020 17.000
1 3 0.025 18.000
2 1 0.000 19.000
2 1 0.005 20.000
2 1 0.010 21.000
2 1 0.015 22.000
2 1 0.020 23.000
2 1 0.025 24.000
2 2 0.000 25.000
2 2 0.005 26.000
2 2 0.010 27.000
2 2 0.015 28.000
2 2 0.020 29.000
2 2 0.025 30.000
2 3 0.000 31.000
2 3 0.005 32.000
2 3 0.010 33.000
2 3 0.015 34.000
2 3 0.020 35.000
2 3 0.025 36.000 ];
% Use scatter3
scatter3(xyzv(:,1), xyzv(:,2), xyzv(:,3), xyzv(:,4), xyzv(:,4))
colorbar

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