Computer Graphics

algorithm angle array attributes axes axis B-spline Bézier Bézier curves calculated Chap clipping command components Computer Graphics control points coordinate position coordinate system coordinate values Courtesy curve defined device coordinates display file display processor edge electron endpoints equations Evans & Sutherland FIGURE fractal frame buffer function graphics package graphics systems graphics tablet grid hidden-surface implement integer intensity levels intensity values intersection light pen line segments master coordinate menu method module normal object octree operations output device output primitives overlapping P₁ parallelepiped parameters pattern perspective projection picture pixel polygon procedure produce projection plane quadtree raster reflection refresh representation rotation routine scaling scan line scene selected shading shown in Fig SIGGRAPH specified stored surface surface normal symbol techniques three-dimensional tion transformation matrix translation two-dimensional vector vertex vertices video monitor view plane view volume viewing coordinate viewport voxel window boundary workstation world coordinate