Houdini是一款三维计算机图形软件，由加拿大Side Effects Software Inc.（简称SESI）公司开发，SESI公司由Kim Davidson和Greg Hermanovic创建于1987年。Houdini是在Prisms基础上重新开发而来，可运行于Linux, Windows, Mac OS等操作系统，是完全基于节点模式设计的产物，其结构、操作方式等和其它的三维软件有很大的差异。Houdini自带的渲染器是Mantra，基于Reyes渲染架构，因此也能够快速的渲染运动模糊、景深和置换效果。 Mantra是经过产品验证的成熟渲染器，可以满足电影级别的渲染要求。当然，Houdini也有第三方渲染器的接口，比如：RenderMan、Mental ray、Vray和Torque等，可以把场景导出到这些渲染引擎进行渲染。
Houdini FX 12.5
Houdini FX is a full-featured 3D animation and visual effects software, renowned for ít particle and dynamics tools. Houdini FX is perfect for visual effects artists, technical directions and CG supervisors who want to experience total control over their pipeline.
Particles
From dust to debris to flocks of birds, particles offer a strong foundation on which you can build any effect. Houdini is most famous for its node-based particle workflow that lets you define a set of rules using interactive tools.
Dynamics
Create realistic motion that meets the creative needs of your director using Houdini’s integrated dynamics tools. Built so that different solvers can talk to each other, you can simulate using any combination of Rigid Body, Fluid, Cloth and Wire solvers to create boundary-busting effects.
Nodes and Assets
As an artist and animator, you use your CG tools to bring life to your ideas. Along the way, you make creative decisions that are necessary to achieve your goals. A lot of these decisions involve experimenting and reworking ideas to get them just right. In Houdini, each of these decisions is recorded as a node that is wired up to other nodes. The resulting network provides a blueprint of your creative process and a framework for making revisions.
Modeling
Houdini’s modeling tools can be used by modellers to create characters, sets and props or by visual effects artists to give particles and fluids shape and form. For traditional modelers, Houdini provides a robust set of tools that work with a wide variety of geometry types. For visual effects artists, Houdini’s node-based workflow makes it easy to set up surfaces that are generated on the fly based on an underlying effect.
What’s New: http://www.sidefx.com/index.php?option=com_content&task=view&id=2447&Itemid=360
http://v.youku.com/v_show/id_XNjE0NTU3ODg4.html
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