Displaying figures with differents colors for matlab

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Malstheet
Malstheet 2014-5-29
评论： Adam 2014-5-30
i have matlab code that generate 3D points , so i want to plot each 3D points with different color
my last code for generat all points are
figure(i),plot3(mx,my,mz,'b*');
and this one plot all peaks but with same color witch are blue and the image below show u how my code work
http://i.stack.imgur.com/fr5A8.jpg

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回答（1 个）

Adam
Adam 2014-5-29
Hi Malstheet, try to convert the vertors mx , my and mz into the diagonal matrices. Also, erase the letter b defining the blue color. The color of your points should be different, however, it will repeat in a cycle...
Try this:
plot3(diag(mx),diag(my),diag(mz),'*');
Hope it helps you. Adam
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Adam
Adam 2014-5-30
It should have different colors. Could you specify your definition of mx , my and mz vectors?
Try this:
mx = linspace(1,100,100);
my = linspace(1,100,100);
mz = linspace(1,100,100);
scatter3(mx,my,mz,'*','CData',sqrt(mx.^2+my.^2+mz.^2));
CData could be defined in couple ways. For (1xN) vectors (or transpose) the CData vector would have same size (1xN). Each value defines the color of corresponding point. E.g. Point mx(1),my(1),mz(1) will have color CData(1) - according to the value related to the range.

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