ocr: An Orthographic Viewing Volume TOP coppirg Value Far Cilpping valuc Left Clipping Value: Right Cippine Value Near Clipping Valuo Bottom Clipping vaiue Viewpolnt A Perspective Viewing Volume -Far Cilpping Value Top Ciippig Value: Loft Cllpping alue Nenr Clipping Value: Right Ciippirg Valuo Bottom Clipping Value Vimwpoint Figure 8. Orthographic andi Perspective Viewing