Steps of cohen sutherland line clipping algorithm, Computer Graphics

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Cohen Sutherland line clipping algorithm

The algorithm uses the following main steps

  • Divide the entire plane into nine disjoint regions using the four window boundaries of the window.
  • Give a unique four bit region code to each region.
  • Find out the code of two end points.
  • Use the code to check (i) If the line segment can be trivially selected (ii) trivially rejected (iii) needs further processing.
  • Find out the intersection with the window boundaries for line segments which need further processing.

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