Chapter 3 Orthographic Projection. TOPICS Object representation Glass box concept Line convention Orthographic projection of point, line, plane, surface.

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Presentation transcript:

Chapter 3 Orthographic Projection

TOPICS Object representation Glass box concept Line convention Orthographic projection of point, line, plane, surface and object. Multiview projection

OBJECT REPRESENTATION Axonometric projection Multiview projection

MULTIVIEW PROJECTION Three principle dimensions of an object … Width Depth Height Width Height Depth … can be presented only two in each view. Adjacent view(s) is needed to fulfill the size description.

1. Revolve the object with respect to observer. TO OBTAIN MULTIVIEW REPRESENTATION OF AN OBJECT 2. The observer move around the object.

REVOLVE THE OBJECT Front view Right side view Top view

OBSERVER MOVE AROUND Front view Right side view Top view

THE GLASS BOX CONCEPT Bottom view Left side view Rear view

Height Width Depth History

MULTIVIEW PROJECTION Click on the picture to play video

MULTIVIEW PROJECTION Click on the picture to play video

MULTIVIEW PROJECTION Click on the picture to play video

MULTIVIEW PROJECTION Click on the picture to play video