Engineering Graphics: Unit I (e): Introduction to Systems of Projection

Projection

Engineering Graphics (EG)

A projection is defined as an image on to nalamaio en cie or a drawing of an object made on a plane.

PROJECTION

A projection is defined as an image on to nalamaio en cie or a drawing of an object made on a plane. It is the representation of the image of an object on a plane surface, as it is observed by a viewer.

The word "Projection" is of Latin origin which means to "Throw Forward". Thus a projection may also be defined as an image of an object thrown upon a picture plane by means of straight lines (or) visual rays.

A three dimensional object viewed by an observer is described on the picture plane as shown in Fig. 8.1.


Engineering Graphics: Unit I (e): Introduction to Systems of Projection : Tag: : Engineering Graphics (EG) - Projection


Engineering Graphics: Unit I (e): Introduction to Systems of Projection



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