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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
In the context of 3D Computer graphics, which of the following statements is/are correct?
(A) Under perspective projection, each set of parallel lines in the object do not stay parallel in the image except those that are parallel to the viewplane to start with.
(B) Applying a perspective transformation in the graphics pipeline to a vertex involves dividing by its z coordinate.
(C) Perspective transformation is a linear transformation.
Choose the correct answer from the options given below:
(A) Under perspective projection, each set of parallel lines in the object do not stay parallel in the image except those that are parallel to the viewplane to start with.
(B) Applying a perspective transformation in the graphics pipeline to a vertex involves dividing by its z coordinate.
(C) Perspective transformation is a linear transformation.
Choose the correct answer from the options given below:
Solution
In perspective projection, parallel lines generally meet at vanishing point.So, statement A is true.
Perspective transformation involves perspective division, commonly by z-coordinate.
So, statement B is true.
Because division is involved, perspective transformation is not linear.
So, statement C is false.
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