![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/677438/image.png)
Make colored circle in polar plot
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Hi there, I need to make colored circle (with different values) in polar plot, looks like below. May anyone help me out? Thanks in advance.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/677418/image.png)
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답변 (1개)
Image Analyst
2021년 7월 8일
Maybe you can adapt the attached demo.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/677438/image.png)
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Image Analyst
2021년 7월 12일
I'd probably use scatter() where you can specify the color of each data point.
numSpots = 50; % Whatever you want.
markerSize = 100; % Whatever you want.
radius = 10; % Whatever you want.
angles = linspace(20, 270, numSpots); % Whatever starting and stopping angles you want.
x = radius * cosd(angles);
y = radius * sind(angles);
% Make up some colors for the data points,
% like one that follows the jet colormap for example.
spotColors = jet(length(x));
% Plot dots in a scatter plot.
scatter(x, y, markerSize, spotColors, 'filled');
grid on;
xlabel('x', 'FontSize', 15);
ylabel('y', 'FontSize', 15);
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/682418/image.png)
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