computer graphics puzzle

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Across
  1. 2. : Line drawing algorithm using integer arithmetic
  2. 8. : A transformation that turns an object around a point
  3. 9. : The operation of cutting graphics outside a region
  4. 10. : Algorithm used for drawing circles
Down
  1. 1. : Line clipping algorithm for visibility determination
  2. 3. : A transformation that changes the size of an object
  3. 4. : Graphics involving user interaction
  4. 5. : Slides an object from one position to another
  5. 6. : A 3D projection mimicking human vision
  6. 7. : Representation format for 2D transformations