Wednesday 24 April 2013

Perbezaan Permodelan Lengkung Dan Permukaan Bezier Kubik Dan Splin-B Kubik


Abstract

          One of the most important fundamental parts in computer graphics and Computer Aided Geometric Design (CAGD) are representing geometric or free form curves and surfaces in three-dimensional. It needs the constitution of mathematical concepts that can afford to analyze a geometric for any shape of objects and appropriate to implement as an interactive system in CAGD. Therefore, an interactive graphics system presented for generating curves and surfaces. The curves and surfaces constructed by using cubic Bezier and cubic B-Spline method, and wireframe mode used to present the curves and surfaces. The coordinates of the corresponding curve had computed and associated with short straight-line segment to generate a curve. The surfaces presented from generating control net by declaring a parameter. Users allowed modifying the curves and surfaces in an interactive way by moving one or more control points. These changes will affected to the curves until they get a satisfy shapes. This application also allowed their users saving all control points that they changed. All mathematical representation in this application will be hide, so that all users were enjoy using this application either they had knowledge or not in cubic Bezier and cubic B-Spline method.

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