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This chapter is from the book

This chapter is from the book


One of the cardinal rules in efficient modeling is never model what you can map. Bump or Displacement mapping can replace surface detail and texture, and Transparency mapping can substitute for excessive repetition of simple elements, such as truss work or piping runs. Distant truss work or piping can be simulated reasonably well using the trick of adding a Bump map of a gradient created by path stroking an airbrush over a truss pattern in Photoshop. This effectively modulates the light normal into a tube-like highlight that otherwise would look flat and mapped.

Figure 3.4Figure 3.4

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