... -ion 7- 3 parts, as in Fig. 7- 7. For this circuit example, we assume that the gates are psi- Ba5ic Modeling Concepts tioned and connected to each other with straight lines according to ... performed to obtain the corresponding point in normalized device coordinctes. (2) Then, the inverse of the window -to- viewport mapping is carried out to get to viewing co- ordinates, then to world ... cross products of pairs of edge vectors. Exercises 6-1 6. Write a routine to split a concave polygon using the vector method. 6-1 7. Write a routine to split a concave polygon using the...