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Studying and Realization of Realistic Ceramic Decal Techniques

Author: HouHongWei
Tutor: XuWenBo
School: Jiangnan University
Course: Applied Computer Technology
Keywords: Realistic auxiliary geometry ceramic decal 3D modeling texture mapping
CLC: TP391.41
Type: Master's thesis
Year: 2008
Downloads: 84
Quote: 1
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Abstract


As one kind of graphics generation technology, realistic graphics is always in the front domain of computer graphics. With the rapid development of computer hardware and software technology in recent years, the highly realistic of 3D graphics is increasingly close to target, and its application is increasingly wide. The generation of realistic graphics, helps us carry out and control artistic graphics simply. Meanwhile with the widest use of computer-aided geometric design, the modeling and rendering of the real world, and further more being reproduced, has been easy to realize. In the field of production and design, offering architects and artists of the visual effect of their works has become one of the places which the realistic graphics most widely be applied in. This can not only help find the deficiencies in the design to decrease a tremendous cost savings, and also avoid postpones of the project. In the process of ceramics production, ceramic decals is an important step, and the results have a direct impact on the value of the using、appreciate and artistic.Making the process of ceramic production virtualization, and using 3D graphics to simulate ceramics and other works of art, is the main goal of this paper, thereby providing various angles of perspective effect for artistic creators. We firstly does a depth research on the relevant theoretical technology of ceramic decal, focusing on the ceramic modeling、meshing、light and texture mapping, and have done optimized improvement on these areas. Then in the VC environment and through the OpenGL graphics library we have realized a 3D simulation software about ceramic decal, and achieved good results.The following aspects is mainly discussed in this paper:1.Bezier spline, B-spline, NURBS spline are the most important spline curve for computer-aided geometric design. The ceramic models are generated by the contour line. This paper does a comprehensive and detailed narration on spline curve technology, focusing on Bezier spline、B-spline、NURBS-spline, and also compare their advantages and disadvantages.2.Studies technical parameters of the surface, focusing on the surface curvature、mapping and other important long-theory, and last introduces them into the surface of the grid.3.Introduces the latest technology of realistic graphics (texture mapping, light), and proposing a dynamic real-time texture mapping algorithm. And we apply this algorithm to the ceramic decal in simulation system, providing a simple operation and intuitive results for searching a perfect location decals.4.Simply discusses the processes of 3D graphics rendering, and introduces the mechanism of OpenGL.5.Finally, as the practice of the theories of this paper, we use OpenGL and VC++ 6.0 to complete a ceramic decal simulation system. This system provides widely used splines such as B-spline, Bezier spline, NURBS spline as a model profile, and then construct models、choose pictures to map on the model. It also provides good interactive operations to users.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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