Labels:text | diagram | screenshot | line | parallel | plan | technical drawing OCR: An Orthographic Viewing Volume Top Cupping Value Far Cilpping Value Left Clipping Value - Right Clipping Value Heat Clipping Value Bottom Clipping Value Viewpoint A Perspective Viewing Volume -Far Clipping Value Top Clipping Value Loft Clipping Value Neu Clipping Value -- - Right Clipping Value Bottom Clipping Value Vimwpoint Figure 8 Orthographic and Perspective Viewing