4D surface plot

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Leonardo Barbosa Torres dos Santos
回答： Sebastian Bomberg 2019-10-29
Dear, could someone help me, please?
I have a file with n-lines and 4 column, where the column 1, 2 and 3 are positions and 4 column is temperature.
I would like plot a graphic 4D surface, where the axis x, y and z are the column from 1 to 3, respectively, and the color code is the column 4.
I tried do it using mesh or surf, but the axis-z doesn't is a function.
Below is my algorithm
clc,clear all,format long
point = load ('general_resultosA.dat') ; % load data
long = point(:,1); % longitude data
lat = point(:,2); % latitude data
rural = point(:,3); % percent rural data
fatalities = point(:,4); % fatalities data
xlabel('\Phi [deg]')
ylabel('\mu [adim]')
zlabel('k')
xlim([0 75])
ylim([0.5 0.9])
zlim([1 9])
mesh(long,lat,rural,fatalities);
This comand show a error:
"Error using mesh (line 71)
Z must be a matrix, not a scalar or vector."

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回答（1 个）

Sebastian Bomberg
Sebastian Bomberg 2019-10-29
You have scattered not gridded data. Have a look at this:
Making Surface Plots From Scatter Data

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