Projection is the change in coordinate system and that is usually from 3D to 2D.
Projectors
The projection of a 3D object is described by straight `projection rays' (called projectors).
Types Of Projection
Projections can be divided into two basic
types
1. Perspective
2. Parallel
• The distinction between two is on the relation of COP and projection plane.
• If distance of one projector to another is finite then it is perspective projection otherwise it is parallel.
Perspective Projection
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