Volume visualization of 4 dimensional data

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Gabriella Tany
Gabriella Tany am 9 Mai 2018
Kommentiert: Gabriella Tany am 14 Mai 2018
Hi,
I would like to make a volume visualization mixed with a heatmap kind off. I have 4 vector values: x coordinate, y coordinate, z coordinate and E the Value/ weigt of the coordinate.
I tried this code
[x,y,z,v] = flow;
figure;
xslice = 5;
yslice = 0;
zslice = 0;
slice(x,y,z,v,xslice,yslice,zslice);
view(3);
axis([0 10 -4 4 -3 3]);
grid on;
colormap(flipud(jet(64)));
colorbar('vertical');
shading interp
From http://www.bu.edu/tech/support/research/training-consulting/online-tutorials/visualization-with-matlab/ However it didn't work because whatever I put in I get the same image out.
Can someone help me out with this? Thanks in advance!

Antworten (1)

Ben Drebing
Ben Drebing am 11 Mai 2018
The first line of that code loads some example data from MATLAB. I think that this is probably overwriting any data that you previously defined which is causing the plot to always look the same. Try removing this line:
[x,y,z,v] = flow;
and changing all the references to the variable "v" to refer to your variable "E".
  1 Kommentar
Gabriella Tany
Gabriella Tany am 14 Mai 2018
I tried doing that also, but then I get an error saying that E has to be a 3D array and in my case x y z and E are 1000x1 double.

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