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When pk < 0, then the line is ___________

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When pk < 0, then the line is ___________

(a) parallel to the boundaries

(b) exceeding the boundaries

(c) bounded inside the boundaries

(d) can’t say

I have been asked this question during an interview for a job.

Asked question is from Liang-Barsky Line Clipping in chapter 2D Transformation and Viewing of Computer Graphics

1 Answer

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Best answer
Correct choice is (b) exceeding the boundaries

Explanation: When pk < 0 line starts exceeding the boundary while if pk > 0 line is bounded inside the boundary. When the line is parallel then pk = 0.

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