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How many inequalities are solved in this algorithm?

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in Computer Graphics by (20.2k points)
How many inequalities are solved in this algorithm?

(a) 3

(b) 2

(c) 1

(d) 4

The question was asked in a national level competition.

This is a very interesting question from Liang-Barsky Line Clipping topic in chapter 2D Transformation and Viewing of Computer Graphics

1 Answer

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Best answer
The correct choice is (d) 4

To explain I would say: Liang-Barsky line clipping algorithm solves 4 inequalities to find the range of the parameter for which the line is in the intersection with the rectangle.

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