lecture14-2d-viewing-part-i - 2DViewing 2DViewing Clipping...

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2D Viewing Basic Concept of Viewing
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2D Viewing Clipping Window The section of a 2D scene selected for display. Also known as world window / viewing window . What we want to see. Viewport The section of a display window where scene is to be mapped. Where it is to be viewed on the output device.
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Clipping Window & Viewport
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Example
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2D Viewing-Transformation Pipeline MC World coordinate  scene constructed  from modeling  coordinates World coordinates  converted to viewing  coordinates WC VC Viewing coordinates  converted to normalized  coordinates NC Map normalized  coordinates to device  coordinates DC
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Can be of any size , shape , or orientation . Rectangle : Parallel to the x and y axis. Provided by most graphics packages. Complex representation :
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This note was uploaded on 04/05/2010 for the course COMPUTER S 876 taught by Professor Ch during the Spring '10 term at Amirkabir University of Technology.

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lecture14-2d-viewing-part-i - 2DViewing 2DViewing Clipping...

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