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How to plot contour lines on MATLAB?

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Behrooz Daneshian
Behrooz Daneshian 2023-7-12
回答： Star Strider 2023-7-12
Hello everyone.
I aim to plot contour lines showing rain fall values on the US map. Suppose that I have a double array having 3 coloumns showing latitude, longitude, and the corresponding value for the rainfall, respectively. Can anyone guide me how I can plot contours?
My main question is that whether I am required to convert longitude and latitude to cartesian coordinate system in order to plot contours or I can plot them just with having longitude and latitude of each point ( representative for each weather station)?
Thank you in advance for your help.

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Star Strider
Star Strider 2023-7-12
See if contourm will do what you want. (I do not have the Mapping Toolbox since I do not need it for what I do, so I have no experience with it.)

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