how to set color in plot

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Fathor
Fathor 2013-4-2
actually,i try to create a plot that containts three variables (structure, noise, diversity). i use the data that generated from excel. the most important fact is how to set color of the data as in the example image
example data from excel : structure = 0.7; noise = 6; diversity = 14; visual complexity value = 0.4; then, color of data = purpel
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Fathor
Fathor 2013-4-2
thanks for your concern. i mean, sample data from excel. so, i try to create plot with four variable (structure,noise,diversity,visualcomplexity). where visualcomplexity defined by color
Walter Roberson
Walter Roberson 2013-4-2
That's what my scatter3() solution does.

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Walter Roberson
Walter Roberson 2013-4-2
PointSize = 10;
scatter3(structure(:), noise(:), diversity(:), PointSize, visualcomplexity(:))
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Walter Roberson
Walter Roberson 2013-4-3
ccolors = [0 0 1;
1 0 1;
1 0 0];
binedges = [0 3 6 inf];
[counts, binindx] = histc(visualcomplexity, binedges);
scatter3(structure(:), noise(:), diversity(:), PointSize, ccolors(binidx(:), :) );
Fathor
Fathor 2013-4-3
thank you very much for your answer, it work...it's really what i want

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