function crop = imagecrop(img)
% Gets rid of the white border around a Matlab created surface image.

s = size(img)
s(1)
s(2)
tl = 0;
tlx = 0;
tly = 0;

for x = 1:s(1)
    if(tl == 1)
        break;
    end
    for y = 1:s(2)
        if(tl == 1)
            break;
        end
        if (img(x,y,1) < 100 | img(x,y,2) < 100 | img(x,y,3) < 100)
            tlx = x;
            tly = y;
            tl = 1
        end
    end
end

tlx
tly