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How to connect the points in an polar plot?

4 vues (au cours des 30 derniers jours)
Ashim
Ashim le 17 Juil 2014
I am trying to plot a hodograph plot as shown below. With the heklp of polar plot i could plot the points, however, i don't know how to connect a spline in between those points. Is it possible to do it somehow. I am posting my MWE.
Nomenclature:
  • Ws - wind speed in m/s
  • Wd - wind direction in degrees
  • H - height for which the points are present in m
Ws = 15.*rand(10,1);
Wd = 360.*rand(10,1);
H = (20:20:200)';
Wd = Wd.*(pi/180);
[WdX, WsY] = pol2cart(Wd, Ws);
polar(WdX, WsY,'-b*');

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Matz Johansson Bergström
Matz Johansson Bergström le 17 Juil 2014
Have you tried to connect your points with splines? See http://www.mathworks.se/help/matlab/examples/splines-in-two-dimensions.html for an example.
  2 commentaires
Ashim
Ashim le 17 Juil 2014
Oh Thanks Matz....
I was actually working with splines but through the interp1 function. However, was not getting the way i wanted it.
I tried working with the example you showed and applied it on my example and it works perfectly. Will be conditioning it further to get the best results but so far, thats a good step.
Thanks and keep the good work
Matz Johansson Bergström
Matz Johansson Bergström le 17 Juil 2014
No problem, glad I could be of help.

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