How to get an area plot with varying colour intensity (1-D plot).

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jitendra 2016-10-10

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https://ww2.mathworks.cn/matlabcentral/answers/306606-how-to-get-an-area-plot-with-varying-colour-intensity-1-d-plot

编辑： Massimo Zanetti 2016-10-10

How to get 1-D area plot with varying colour intensity?

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Answer 1

KSSV 2016-10-10

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https://ww2.mathworks.cn/matlabcentral/answers/306606-how-to-get-an-area-plot-with-varying-colour-intensity-1-d-plot#answer_238354

在 MATLAB Online 中打开

t = linspace(0,2*pi) ;
x = sin(pi/2*t) ;
fill(x,t,x) ;   % patch also can be used

If you have the exact fft data, you can get the one shown in image.

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Answer 2

Massimo Zanetti 2016-10-10

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/306606-how-to-get-an-area-plot-with-varying-colour-intensity-1-d-plot#answer_238355

编辑：Massimo Zanetti 2016-10-10

在 MATLAB Online 中打开

I have found this workaround...

%3d coordinates of a curve
x = 0:.05:2*pi;
y = sin(x);
z = zeros(1,numel(x));
%color vector: a set of values that are mapped in the colorbar
col = rand(1,numel(x)); 
%plot the curve as a surface
surface([x;x],[z;y],[z;z],[col;col],...
        'facecol','no',...
        'edgecol','interp',...
        'linew',2);
grid on; view([90,45,45]);
colorbar;
xlabel('x');
ylabel('y');
zlabel('z');
view([0,90]);