Previsualization (also known as previsualisation, previs, previz, pre-rendering, preview, or wireframe windows) is the process of visualizing scenes, sequences, or environments before their physical production. Originally associated with film, where it is used to plan camera angles, staging, and visual effects before shooting, the practice has expanded into other creative disciplines including animation, live performance, concerts, theater, video game design, and still photography. Techniques range from traditional storyboarding with hand-drawn sketches to digitally assisted 3D simulations that allow directors and designers to explore timing, spatial composition, and technical feasibility in advance.
Description Previsualization’s advantage is that it allows a director, cinematographer, production supervisor, or VFX supervisor to experiment with different staging and art direction options, such as lighting, camera placement and movement, stage direction and editing, without incurring actual production costs. On larger budget projects, directors may previsualize with actors in the visual effects department or dedicated rooms. Previsualization can include music, sound effects, and dialogue that closely mimics fully produced and edited sequences. It is usually employed in scenes that involve stunts, special effects (such as chroma key), or complex choreography and cinematography. It also is used in projects that combine production techniques, such as digital video, photography, and animation, notably 3D animation.
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