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Orthographic Projections
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TOPICS Object Representation Orthographic / Multi-view projection
Glass box concept Orthographic Projections of Points and Lines
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OBJECT REPRESENTATION
Pictorial / Single view projection Orthographic / Multiview projection
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MULTIVIEW PROJECTION Three principle dimensions of an object …
… can be presented only two in each view. Depth Height Adjacent view(s) is needed to fulfill the size description. Depth Width Height Width Depth
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Orthographic Projection
A system of drawing views of an object using perpendicular projectors from the object to a plane of projection
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TO OBTAIN MULTIVIEW REPRESENTATION OF AN OBJECT
Revolve the object with respect to observer. The observer move around the object.
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REVOLVE THE OBJECT Top view Front view Right side view
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OBSERVER MOVE AROUND Top view Front view Right side view
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THE GLASS BOX CONCEPT Rear view Left side view Bottom view
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History Depth Height Width
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PROJECTION OF POINT(S)
BT BT AT Equal distance AT B A BR AF BF AF BF AR BR AR
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