[totalArea, areas, centroid] = surfarea(x,y,z)
[totalArea, areas, centroid] = surfarea(h), where h is a handle to a Surface object.
surfarea calculates the total surface area as well as returns the areas of each individual cell, along with the area centroid of the surface.
Example: Plot peaks, coloring each cell with its own area.
[x,y,z] = peaks;
[area,cellAreas,centroid] = surfarea(x,y,z);
h = surf(x,y,z,cellAreas); axis image
title(sprintf('Total surface area: %.2f', surfarea(h)));
Sky Sartorius (2022). Surface area (https://www.mathworks.com/matlabcentral/fileexchange/62992-surface-area), MATLAB Central File Exchange. Retrieved .
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