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Understanding Orthographic Projections for Object Representation

Learn about orthographic projections, multi-view projection, glass box concept, representing objects in depth, height, and width dimensions, and the principles of multi-view projection. Discover how to create top, front, side views and the role of adjacent views in size descriptions.

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Understanding Orthographic Projections for Object Representation

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  1. Orthographic Projections

  2. Object Representation Orthographic / Multi-view projection Glass box concept Orthographic Projections of Points andLines TOPICS

  3. Pictorial / Single view projection Orthographic / Multiview projection OBJECT REPRESENTATION

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

  5. OrthographicProjection A system of drawing views of an object using perpendicular projectors from the object to a plane of projection

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

  7. REVOLVE THE OBJECT Top view Right side view Front view

  8. OBSERVER MOVE AROUND Top view Front view Right side view

  9. THE GLASS BOX CONCEPT Rear view Left side view Bottom view

  10. History Depth Width Height

  11. Equal distance PROJECTION OF POINT(S) BT BT AT AT B A BR AF BF BR AR AF BF AR

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