Texture based animation for vector field visualization

作     者：Lu, Jianfeng Zhang, Mingmin Pan, Zhigeng 

作者机构：Department of Computer Science Hangzhou Dianzi University Hangzhou 310018 China State Key Lab. of CAD and CG Zhejiang University Hangzhou 310027 China 

出 版 物：《Journal of Computational Information Systems》 (J. Comput. Inf. Syst.)

年 卷 期：2006年第2卷第2期

页      面：701-706页

核心收录：

主　　题：Animation 

摘      要：Computer animation is the important technique in the fields of scientific visualization. The traditional algorithm like particle tracing is frequently applied to show the speed and direction of the vector field clearly. More particles can display more detailed image but needs more computing time. The technique of texture based animation can make full use of the modern display card and accelerates the rendering process effectively. This paper proposes an animation algorithm based on texture advection technique for vector field visualization. First, the texture image is created including the features of the vector field by line integral convolution algorithm. Then the texture coordinates are adjusted to create new image by calculating the next position of the sample points. In the computing process, Hanning window filter is chosen as the kernel periodic function to remove the noises in the input image as the pre-step. The result image can be obtained by repeating the process of computing and blending two images. The experiment results show the approach is reliable and effective.