scatter3 color projection

9 views (last 30 days)
Tsuwei Tan
Tsuwei Tan on 25 Jul 2021
Commented: Tsuwei Tan on 25 Jul 2021
Please load the test_data.mat
load('test_data.mat','test')
x=test(:,1);
y=test(:,2);
z=test(:,3);
scatter3(x,y,z)
This gives me a 3D scatter plot, but how do I create a probability density function which looks like the pic below? The colorbar is normalized for z values and the min of z is shown as red, max is shown as blue. Thank you!

Accepted Answer

KSSV
KSSV on 25 Jul 2021
clc; clear all ;
load('test_data.mat')
x=test(:,1);
y=test(:,2);
z=test(:,3);
figure
scatter(x,y,1000,z,'s','filled');
xi = linspace(min(x),max(x)) ;
yi = linspace(min(y),max(y)) ;
[X,Y] = meshgrid(xi,yi) ;
Z = griddata(x,y,z,X,Y) ;
figure
pcolor(X,Y,Z) ;shading interp ; colorbar
  1 Comment
Tsuwei Tan
Tsuwei Tan on 25 Jul 2021
Thank you for your quick and correct answer, this really helps!

Sign in to comment.

More Answers (0)

Products


Release

R2021a

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!