1. Orthographic Projections

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

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

4. 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

11. Orthographic Projection
A system of drawing views of an object using perpendicular projectors from the object to a plane of projection

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

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

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

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

23. History
Depth
Height
Width

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