MATLAB: 4d smooth plot with slices

4d plotMATLABplot

Hello I have a txt file (I have attached it as "Data.txt") with 4 columns, each representing a variable x,y,z,v. I plot this in the following manner:

load("Data.txt")
x = Data(:,1);
y = Data(:,2);
z = Data(:,3);
v = Data(:,4);
scatter3(x,y,z,40,v,'filled')
colorbar

However I would like it to be a smooth object on which I can also take vertical, horizontal or whatever slices.

Best Answer

Solved it using the answer from:

https://www.mathworks.com/matlabcentral/answers/500825-how-to-obtain-volume-data-from-x-y-z-c-data-to-use-slice-function?s_tid=answers_rc1-1_p1_MLT

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MATLAB: How to draw a 3D surface plot with some disordering points

load data.mat ; 
xi = unique(x) ; 
yi = unique(y) ; 
[X,Y] = meshgrid(xi,yi) ; 
Z = griddata(x,y,z,X,Y) ; 
surf(X,Y,Z)

MATLAB: How to obtain volume data from X,Y,Z,c data to use slice() function

N = 50;
xvec = linspace(592447.8, 592463.9, N);
yvec = linspace(507793.3, 507837.4, N);
zvec = linspace(2553.6,   2559.9, N);
[xq, yq, zq] = meshgrid(xvec, yvec, zvec);
load('data.mat')
x = data(:,1);
y = data(:,2);
z = data(:,3);
c = data(:,4);
F = scatteredInterpolant(x,y,z,c);
vq = F(X, Y, Z);
xslice = something in the x range; 
yslice = something in the y range; 
zslice = something in the z range;
slice(xq, yq, zq, vq, xslice, yslice, zslice)

Best Answer

Related Solutions

MATLAB: How to draw a 3D surface plot with some disordering points

MATLAB: How to obtain volume data from X,Y,Z,c data to use slice() function

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