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Previous Year Question (PYQs)



In the context of $3D$ computer graphics, which of the following statements is/are true?

$P$: Orthographic transformations keep parallel lines parallel.

$Q$: Orthographic transformations are affine transformations.

Select the correct answer from the options given below:






Solution

Orthographic transformation preserves parallelism.

So, parallel lines remain parallel after orthographic projection.

Therefore, statement $P$ is true.

Orthographic transformation is also an affine transformation because it preserves points, lines and parallelism.

Therefore, statement $Q$ is also true.



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