perspectives - ProjectionDrawings Perspectives Types of...

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1 Projection Drawings • Perspectives • Types of Perspectives • Components •Crea t ing Projections Drawings
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2 Perspective Defined By far the most commonly used presentation drawing is the perspective Perspective drawings are convergent drawings not paraline Produce a more realistic illustration because it represent objects the way the human eye perceives objects Classified by the number of vanishing points utilized for their construction In a perspective drawing, parts of an object that are close to the eye are shown larger than parts further away. Therefore, objects appear more realistic. Types of Perspectives • One Point Perspective • Two Point Perspective • Three Point Perspective • One and Two point are most commonly used • Three point is rarely used‐ mostly for very tall structures.
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Components of Perspectives • Station Point •P ic tureP lane • Cone of Vision • Eye Level • Horizon Line •GroundL ine • Vanishing Point(s) Vocabulary 3 dimensional: objects with length, width and depth (the way we see the world) 2 dimensional: flat objects as they appear on a piece of paper or a photograph (length and width, but no depth. Foreshortening: drawing an object smaller as it gets further from the viewer. Perspective: A system for creating an illusion of depth or three‐ dimensional space on a two‐dimensional surface. Atmospheric perspective: perspective created through, size, placement, and color value. Scale: the relative size of objects on the picture plane. Linear Perspective: based on the fact that parallel lines or edges
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This note was uploaded on 02/19/2012 for the course CGT 101 taught by Professor Mohler,j during the Fall '08 term at Purdue University.

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perspectives - ProjectionDrawings Perspectives Types of...

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