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Ole
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How to create a circle with segments of specific colors

Ole
さんによって質問されました 2019 年 3 月 3 日
最新アクティビティ Image Analyst
さんによって 編集されました 2019 年 3 月 3 日
I am trying to create an image of a circle with inner and outer radius, that is divided radially in segments. Then I would like to fill the segments with four solid colors (r b y m) that will repeat around the segments with theta. Ideally each different collor segment will subtend different angle.
rInner = 180; % inner radius of the colour ring
rOuter = 200; % outer radius of the colour ring
ncols = 20; % number of colour segments
[x, y] = meshgrid(-rOuter:1:rOuter);
[theta, rho] = cart2pol(x, y);
Here is an example the circle, it should close but it was bad choice of the angles.
test-01.jpg

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Rik
2019 年 3 月 3 日
Can you make a small example in paint of what you mean?
Image Analyst
2019 年 3 月 3 日
And you can't adapt my answer below to do that?

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R2016a

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Image Analyst
回答者: Image Analyst
2019 年 3 月 3 日

See attached demo and adapt as needed.
0000 Screenshot.png

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