| 31. | The midpoint circle drawing algorithm also uses the __of the circle to generate? |
| Discuss |
|
Answer: (d).eight-way symmetry
|
| 32. | A polygon in which the line segment joining any 2 points within the polygon lies completely inside the polygon is called__? |
| Discuss |
|
Answer: (a).convex polygon
|
| 33. | A polygon in which the line segment joining any 2 points within the polygon may not lie completely inside the polygon is called __? |
| Discuss |
|
Answer: (b).concave polygon
|
| 34. | The process of selecting and viewing the picture with different views is called_______________ |
| Discuss |
|
Answer: (a).Windowing
|
| 35. | In two dimensional viewing we have? |
| Discuss |
|
Answer: (c).3D window and 2D viewport
|
| 36. | The first viewing parameter we must consider is the? |
| Discuss |
|
Answer: (b).view reference point
|
| 37. | The line segment from the view plane to the view reference point is called_____________ |
| Discuss |
|
Answer: (a).view-distance
|
| 38. | In perspective projection, the lines of projection are not parallel. Instead, they all coverage at a single point called__________________ |
| Discuss |
|
Answer: (d).center of projection or projection reference point
|
| 39. | When the projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane is called_________________ |
| Discuss |
|
Answer: (d).oblique projection
|
| 40. | The return of electron beam to top left corner of the screen after one frame is called ............ |
| Discuss |
|
Answer: (b).Vertical Fly-back
|
