QUESTION 17 Which of the following code segment will make the window solid and green? gl.clearColor(0.0, 1.0, 0.0, 1.0); g1.clear(g1.COLOR_BUFFER BIT): gl.clearColor(0.0, 0.0, 1.0, 1.0); g1.clear(g1.COLOR_BUFFER BIT): gl.clearColor(0.0, 0.0, 0.0, 1.0); g1.clear(gl.COLOR BUFFER BIT): gl.clearColor(0.0, 0.0, 0.0, 0.0): g1.clear(gi.COLOR_BUFFER_BIT); gl.clearColor(1.0, 0.0, 0.0, 1.0); g1.clear(g1.COLOR BUFFER BIT); QUESTION 31 The pipeline approach to image generation is nonphysical. What are the main advantages and disadvantages of such a nonphysical approach? TT TT Paragraph Arial 3 (1201) E.E. T.. %DO Q ESES T TS - - - O fx Mashups - 1 @ @ HM O WTHLESS Path: P Words:0 QUESTION 32 Consider the clipping of a line segment in two dimensions against a rectangular clipping window. Show that you require only the endpoints of the line segment to determine whether the line segment is not clipped, is partially visible, or is clipped out completely (Hint: Suppose the rectangle window is between x - xmin, x - xmax, y - ymin, and y = ymax. If you know two endpoints of the segment. x1, yl). 2. y2). Under what condition, the segment is complete in the window? partially in the windwo? or completely outside the window)? 3 (12pt) - TT TT Paragraph Arial - %DOGO EEST TOPS OS: Mashups - 14 ON T- -- NTHLESS