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Differentiate among interpolation spline and approximation spline?
When the spline curve passes by all the control points then it is known as interpolate.
When the curve is not passing by all the control points then that curve is known as approximation spline.
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Differentiate between z-buffer method and scan-line method. What is the visibility test made in these methods? Solution : In depth buffer algorithm every pixel location on the
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Explain window to view port transformation
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