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B-spline curves - clipping and 3d primitives
B-spline curves are piecewise polynomial cubes with one or more polynomial pieces with a minimum smoothness requirement. For example, a C2 cubic B-spline curve has one or more cubic pieces which are joined in such a way that the resulting composite curve is twice continuously differentiable. B-spline curves have a very elegant expression similar to the Bezier representation with basis function as B-spline functions in place of Bernstein basis polynomials. B-spline basis functions can be computed iteratively using de Boor algorithm.
Advantages of the z-buffer method: 1) The z-buffer method or algorithm is easy to apply and it needs no sorting of surface in a scene. 2) In z-buffer algorithm
What is shearing? The shearing transformation actually slants the object with the X direction or the Y direction as needed.ie; this transformation slants the shape of an obje
examples of stroke method
Clipping and 3D Primitives This unit introduces you to three important concepts of Computer Graphics. After that discusses the concept of clipping, which means removal of objec
What are the different ways of specifying spline curve? Using a set of boundary conditions that are imposed on the spline. Using the state matrix that characteristics
Lossy Audio Formats: These are based on sound models which eliminate audio data such humans cannot or can hardly hear, for example: a low volume sound after a large volume sound.
What is the use of Projection reference point? In Perspective projection, the object positions are transformed to the view plane with these converged projection line and the p
Question: (a) After having worked for several years as a graphic designer you decide to start a company of your own; MediaDesign ltd. The most valuable asset of a company is i
Q. What is a Bezier Curve? What are blending function? Write an algorithm for generating Bezier Curves. A curve which has the following properties is called Bezier Curve: 1. A
Draw and explain the diagram of a Raster scan system with a display processor. Explain each unit of the diagram.
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