how can I make a colored 2D-surface in a polar plot? I want to give some labels to this polar... It is possible?

clc
% c=input('How many blades are there in the blower?:');
c=randi(6,1,1);
t = 0:.01:2*pi;
if mod(c,2)==1 
    ph = polar(t,(cos((c*t))),'-r') 
else
    ph = polar(t,(cos((c/2)*t).^2),'-r') 
end
% find all of the text objects in the polar plot
h = findall(gcf,'type','text');
% delete the text objects
delete(h);
patch(get(ph,'XData'), get(ph,'YData'), 'g')
fins = linspace(0,360,c+1);
for ind = 1:c
    txtx = 1.2*cosd(fins(ind));
    txty = 1.2*sind(fins(ind));
    text(txtx,txty,['fin ' num2str(ind)])
end

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Marcos Perez 2015-7-8

nice!!

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Answer 2

bio lim 2015-7-8

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/228901-how-can-i-make-a-colored-2d-surface-in-a-polar-plot-i-want-to-give-some-labels-to-this-polar-it#answer_185352

在 MATLAB Online 中打开

clc
c=input('How many blades are there in the blower?:');
t = 0:.01:2*pi;
if mod(c,2)==1 
  radius = cos(c*t);
  radius(radius <= 0) = 0;
  ph = polar(t,(radius),'-r') 
else
  ph = polar(t,(cos((c/2)*t).^2),'-r')
end
% find all of the text objects in the polar plot
h = findall(gcf,'type','text');
% delete the text objects
delete(h);
patch(get(ph,'XData'), get(ph, 'YData'), 'b')

The rest is the code from Cheng, except the 'fins' was renamed to 'Blade' as the image suggested.

fins = linspace(0,360,c+1);
for ind = 1:c
  txtx = 1.2 * cosd(fins(ind));
  txty = 1.2 * sind(fins(ind));
  text(txtx,txty,['Blade ' num2str(ind)])
end