... solving the wedging out of layer problem In the case of the first operation ($) the resulting value is the z-value of the first surface, but if the z-value of the second surface is greater, the ... resulting value is the average In the case of the second operation (%) the resulting value is the z-value of the second surface, but if the z-value of the second surface is greater than the z-value ... with linear interpolation method As pointed out in paragraph 1.2.1 Triangulation with linear interpolation, the domain of the triangulation method is restricted to the convex envelope of the points...