MATLAB: How to extract x and y data after contour lines

contour_linesextractimagesxyvalues

After finding contour lines in a image how to extract x and y values into the .xsl file by using it's given shape after the contour lines.

Best Answer

drawing contour lines has an option of taking out the coordinates.....

[C,h] = contour(X,Y,[val val]) ;

C gives you the coordinates.

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MATLAB: Extract data from heatmap

Found it, use

h.ColorData

where h is the handle to the heatmap!

MATLAB: How to extract x and y position of contour line

Just realized that the contour matrix cc now seems to contain x and y location data,

pcolor(x, y, z); % Plot the data
hold on;
shading flat
[cc, hh] = contour(x, y, z, [0 10^5], 'k'); % Overlay contour line
hold on;
cc(cc<1) = NaN;
h = plot(cc(1,:), cc(2, :), 'w.');

Best Answer

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MATLAB: Extract data from heatmap

MATLAB: How to extract x and y position of contour line

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