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Rendering for Beginners by Saty Raghavachary

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1

Rendering

Renderers synthesize images from descriptions of scenes involving geometry, lights, materials and cameras. This chapter explores the image synthesis process, making comparisons with artistic rendering and with real-world cameras.

1.1 Artistic Rendering

Using images to communicate is a notion as old as humankind itself. Ancient cave paintings portray scenes of hunts. Religious paintings depict scenes relating to gods, demons and others. Renaissance artists are credited with inventing perspective, which makes it possible to faithfully represent scene elements with geometric realism. Several modern art movements have succeeded in taking apart and reconfiguring traditional notions of form, light and space to create new types of imagery. ...

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