rank the point in scatter3d figure with different color
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Dear everyone,
I want to draw a figure with 3-d data (x,y,values),and I want to rank the values then the different ranks value are with different color as you can see from figure2.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/162831/image.bmp)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/162832/image.bmp)
Anyone know the answer?Thanks in advance.
Hong Cheng
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More Answers (2)
KSSV
on 11 Apr 2017
Edited: KSSV
on 11 Apr 2017
x = rand(100,1) ;
y = rand(100,1) ;
z = rand(100,1) ;
%%get indices according to values
idx = 1:100 ;
idx1 = z >0. & z<=0.4 ;
idx2 = z >0.5 & z<=0.8 ;
idx3 = z >0.8 & z<=1 ;
%%plot
figure
hold on
scatter3(x(idx1),y(idx1),z(idx1),'r','filled')
scatter3(x(idx2),y(idx2),z(idx2),'b','filled')
scatter3(x(idx3),y(idx3),z(idx3),'g','filled')
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