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Multiview Projections 1
Glass Box Theory
Some Characteristics
Parallel projectors
Projectors normal to projection plane
Object positioned
PP
Projectors
with one face parallel to
projection plane PEB
Only one face visible need more than one view to describe object
Glass Box Theory 1
Mutually perpendicular projection planes (sides of glass box)
Position object inside glass box. PEB orthogonal to sides of glass box
Six principal views (front/back, top/bottom, left/right)
Frontal (F), Horizontal (H), Profile (P) projection planes
Object dimensions (width, height, depth)
Hinges – fold lines (H/F, F/P)
Glass Box Theory 2
Images projected onto the projection planes
Glass Box Theory 3
Sides of glass box hinged (H/F, F/P) so that when opened …
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