1 Lecture 8 Clipping Viewing transformations Projections

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Lecture 8

Clipping

Viewing transformations

Projections

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Rendering Pipeline

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Clipping: point

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Clipping: line

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Clipping: line

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Cohen Sutherland clipping test

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Cohen Sutherland clipping test

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Cohen Sutherland clipping test

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Cohen Sutherland clipping test

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Clipping: polygon

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Clipping: polygon

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Clipping: polygon

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Clipping: polygon

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Clipping to a Boundary

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Viewing transformations

Transform clipped primitives from world to screen coordinates

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Viewing transformations

Transform clipped primitives from world to screen coordinates

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Projection

Transform clipped primitives from world to screen coordinates

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Taxonomy of Projections

Transform clipped primitives from world to screen coordinates

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Parallel Projection

Transform clipped primitives from world to screen coordinates

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Orthographic Projections

Transform clipped primitives from world to screen coordinates

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Oblique Projections

Transform clipped primitives from world to screen coordinates

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Parallel Projection Matrix

Transform clipped primitives from world to screen coordinates

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Perspective projections

Transform clipped primitives from world to screen coordinates

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Perspective projections

Transform clipped primitives from world to screen coordinates

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Perspective projections

Transform clipped primitives from world to screen coordinates

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Perspective projections

Transform clipped primitives from world to screen coordinates

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Perspective projections

Transform clipped primitives from world to screen coordinates

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Perspective projections

Transform clipped primitives from world to screen coordinates

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Perspective vs. parallel

Transform clipped primitives from world to screen coordinates

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Classical projections

Transform clipped primitives from world to screen coordinates