Setting the independent colors of multiple surfaces

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Jonathan Rabe
Jonathan Rabe 2020-3-23
回答： Jonathan Rabe 2020-3-23
Hi all,
I am working on a numerical methods project where I would like to model a volume. I would later like to plot the surfaces depending on their temperature, so I need to have each plot to be a different colour. However, if I use the following code, regardless of setting the colormap each time, the colour gets overwritten with the last function. Please help.
[z, y, x] = cylinder(dRadius, 20);
surf(x*discWidth, y, z);
alpha(alph);
colormap([0, 1, 0]);
hold on;
[z, y, x] = cylinder(dRadius*2, 20);
surf(x*discWidth, y, z);
alpha(alph);
colormap([0, 1, 0]);
[z, y, x] = cylinder(dRadius*3, 20);
surf(x*discWidth, y, z);
alpha(alph);
colormap([0, 1, 0]);
[z, y, x] = cylinder(dRadius*4, 20);
surf(x*discWidth, y, z);
alpha(alph);
colormap([0.6, 1, 0]); %this seems to dictate what the total colour is.

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采纳的回答

Jonathan Rabe
Jonathan Rabe 2020-3-23
This line seemed to work well with a facecolor argument...
surf(x, y, (b+z*discWidth), 'FaceColor', [Temps(elem, ringno)/100, 0, 1-Temps(elem, ringno)/100], 'LineWidth', lwidth);

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