Create colored vector field with unit vectors that are colored by magnitude.

Question

Nikolay Rodionov 2015-1-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/170812-create-colored-vector-field-with-unit-vectors-that-are-colored-by-magnitude

回答： Chad Greene 2015-1-20

Hi, is anyone aware of a simple way to create a 2D vector field where all the vectors are the same size (restricted to unit vectors due to the large magnitude range) and where each vector is colored according to its magnitude?

example picture: (<http://www.mathworks.com/matlabcentral/fileexchange/screenshots/5116/original.jpg>)

I've found one method using the ncquiverref() function on the exchange, but it requires the mapping toolkit, which I don't have.

Does anyone know of any alternative methods?

Best Regards, Nikolay Rodionov

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Answer 1

Chad Greene 2015-1-20

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https://ww2.mathworks.cn/matlabcentral/answers/170812-create-colored-vector-field-with-unit-vectors-that-are-colored-by-magnitude#answer_165419

I suspect ncquiverref can be modified somewhat easily to remove Mapping Toolbox dependency. That function is well documented, so identifying map-related lines of code should not be difficult. Give hacking ncquiverref a try.