Читать книгу Computer Aided Design and Manufacturing - Zhuming Bi - Страница 59
Solution
ОглавлениеAs shown in the middle six columns of Table 2.9, the numbers of faces (F), edges (E), vertices (V), bodies (B), inner loops on faces (L), and genuses (G) in a geometry are counted and the valid condition for a simple solid using the Euler–Poincare Law is applied. It shows that all generic objects satisfy the conditions as generic objects.