Interactive clouds modeling based on procedural implicit volume

doi:10.3778/j.issn.1002-8331.2010.17.001

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (17): 1-4.DOI: 10.3778/j.issn.1002-8331.2010.17.001

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Interactive clouds modeling based on procedural implicit volume

XU Jiang-bin，ZHAO Jian，YANG Chao，WU Ling-da

College of Information System and Management，National University of Defense Technology，Changsha 410073，China

Received:2009-12-31 Revised:2010-04-01 Online:2010-06-11 Published:2010-06-11
Contact: XU Jiang-bin

交互式过程隐函数云建模方法

徐江斌，赵健，杨超，吴玲达

国防科技大学信息系统与管理学院，长沙 410073

通讯作者: 徐江斌

Abstract

Abstract: Computer generated clouds are indispensable in virtual environments nowadays.An interactive clouds modeling system is proposed using a two parts structure modeling method.Implicit volume defined blobs are used to construct the macrostructure of clouds，and procedural turbulences are used to add details.Also a particle system is introduced to define automatic fissioning and decease scheme for blobs.The method is capable of modeling various types of clouds，and interactively rendering the results.

Key words: cloud, realistic, implicit volume, particle system, modeling, Graphic Processing Unit（GPU）

摘要： 计算机生成云已成为虚拟环境中不可或缺的自然景观之一。提出了两层次结构的交互式云建模系统。利用隐式体函数定义的元球（blob）构建云的基本结构，同时采用过程噪声生成云细节部分。利用粒子系统创建元球的分裂和消亡规则，在基本结构的基础上自动生成层次更为丰富的云形状。方法适用于建模多种不同类型的云，并能交互式绘制建模结果。

关键词: 云, 真实感, 隐式体函数, 粒子系统, 建模, 图形处理器（GPU）

CLC Number:

TP391

XU Jiang-bin，ZHAO Jian，YANG Chao，WU Ling-da. Interactive clouds modeling based on procedural implicit volume[J]. Computer Engineering and Applications, 2010, 46(17): 1-4.

徐江斌，赵健，杨超，吴玲达. 交互式过程隐函数云建模方法[J]. 计算机工程与应用, 2010, 46(17): 1-4.

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Interactive clouds modeling based on procedural implicit volume

交互式过程隐函数云建模方法

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