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Line clipping

version (1.53 KB) by Chandan Kumar
Line clipping by Cyrus Beck algorithm

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Updated 18 Feb 2010

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Clips a line inside a view port according to Cyrus beck algorithm.

Cite As

Chandan Kumar (2021). Line clipping (, MATLAB Central File Exchange. Retrieved .

Comments and Ratings (5)

Sheytra balan

Richard Edmonds

Good stuff, all working. It's also been a nice basis for the development of a 3D cyrus-beck lineclipping function.


Chandan Kumar

Thank you, Mr. Edmonds it seems you were right about the origin of error. I took the liberty to make changes in the code.

Richard Edmonds

Needs fixing, see comment.

Richard Edmonds

There appears to be a mistake in this code, sorry. Its quite clear if the following data is entered at the prompt:
[0 0.1 1 1.9]
[0.2 0.2 0.8 0.8]
I suggest its related to the max/min lines. I suggest that you evaluate which t are valid for entering the view port and then eveluate which is the max entering t and min entering t from each set of valid t for each. Also parallel lines should be checked too or risk div0.

MATLAB Release Compatibility
Created with R14SP3
Compatible with any release
Platform Compatibility
Windows macOS Linux

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