Plotting a 3D surface model with colours from excel
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Najim Popalzai
am 30 Nov. 2020
Beantwortet: Star Strider
am 30 Nov. 2020
Hey
I need help for plotting a 3D surface model with colours based on my z axis. I have imported my data from excel into Matlab, however I am quite new to this software, so I am bit confused which commandoes should be used. The excel file is shared :)
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Star Strider
am 30 Nov. 2020
I am not certain what result you want.
One option:
T1 = readtable('dagslysdata.xlsx', 'HeaderLines',3);
Xv = linspace(min(T1.X), max(T1.X), 50);
Yv = linspace(min(T1.Y), max(T1.Y), 50);
[Xm,Ym] = ndgrid(Xv, Yv);
Zm = griddata(T1.X,T1.Y,T1.Z, Xm,Ym, 'natural');
figure
surf(Xm, Ym, Zm)
view(-30,30)
Another option:
Zm = griddata(T1.X,T1.Y,T1.Z, Xm,Ym, 'nearest');
figure
surf(Xm, Ym, Zm)
view(-30,30)
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