Global Deformations
In this book, the polygonal tools that affect the mesh globally by a
cage, lattice, or similar resource are classified as “global
deformations.”
Lattice
Lattice is a cage that affects the whole shape by manipulating the
cage’s vertices. In Figure 1-32, the image on the left shows a base
cylinder without any modification, the center image shows the
applied lattice, and the right image has some lattice vertex tweaks
and scaled down top vertices.
Figure 1-33 shows the same cylinder as Figure 1-32 with extra
extrusion to get a more interesting shape. The image on the right
shows the cylinder with the same lattice operation plus two levels
of subdivision.
17
Chapter 1 – Polygonal System Basics
Figure 1-32
Figure 1-33
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