| OCR Text |
Show 49 This point of calculating Same light vector the normal. as way shading of the values curvature of at The the the This is faster and it requires less for light each of them in the storage space than abrupt change in this vertices. is interpolation edge a has some Mach Band cubic splines. polygonal model. factor in a the effect, real-time the from of the interpolation of approximation the due to the simulation of highlights approximate the orientation a In extreme derivative of the cases adjacent polygons along much where there is an edge, the a common visible along this edge. visible in the described model than in. the less Also, shading interesting fact discussed an in section II shows that the Mach Band Effect is visible whenever th.ere make the and linear continuous first of a slope of the intensity distribution presence of as occurs order to have In a better scheme used here to When continuous first derivative. used, it will a and guarantee is Perception" a point is computed a due to the Mach Band effect will be effect great change in curve obtained not Gouraud smooth shading model. "Visual of shading Therefore, the orientation of two subjective brightness However, the properly rendered. are does across an method, surface linear normal function is subsequent interpolation approximated normal; it is not the specular reflection is reflected interpolation scheme. orientation on direction of the at vertices and the With the described of the from the orientation of the normal is preferred over the computation of the refleded the method a the dynamic if even the higher degree interpolation curve edges unnoticeable, but will still give in the real world. continuous polynomials a curve, can picture first be derivative used. display interpolation However, system, as the function, time is the critical use of a cubic |
