Orthographic Projection of Points, Lines, Planes, And Solids
Orthographic Projections of Points, Lines, Planes, And Solids. To draw a projection of any object, One must have the following information. Object 9( with its description, well defined. ) Observer ( Always observing perpendicular to RESP. REF. PLANE. ) Location of object ( Means it's position with reference to H.P. & V.P. ) TERM ' ABOVE' & 'BELOW' WITH RESPECTIVELY TO H.P. AND TERMS 'INFRONT' & 'BEHIND' WITH RESPECTIVELY TO V.P FROM 4 QUADRANTS, OBJECT CAN BE PLACED IN ANY ONE OF THESE 4 QUADRANTS. Notations... The following notations should be followed while naming different views in orthographic projection. [su_table] Object Point A Line AB It's top view a a b It's front view a' a' b' It's side view a'' a'' b'' [/su_table] The same system of notations should be followed to increase numbers like 1,2,3 are used. Quadrant pattern... [su_row][su_column size="1/2"...