Physics based modeling is one of the keen free form surface modeling method at present, and it should be a practical surface modeling method in the future.
基于物理的造型方法是当今曲面造型研究的热点之一，并可望成为今后曲面造型的实用工具。
Body modeling and FFD (Free form Deformation) methods are key techniques in the field of body digitalization.
人体曲面建模与自由变形方法是实现人体数字化的关键技术。
The aim of this dissertation is to perform complex free form surface modeling by choosing appropriate methods, then it can satisfy the requirements of numerical control machining.
本文的出发点是通过选用适合方法对复杂自由曲面进行造型，满足曲面数控加工的需要。
An important topic of Computer Aided geometric design and Computer Graphics is geometric modeling, whose major components are free-form curves and surfaces design and modeling.
几何造型是计算机辅助几何设计和计算机图形学的一项重要内容，而曲线曲面的设计与造型又是几何造型的一个主要内容。
Meanwhile, it is required that the free-form surface modeling must be able to change the freedom of local and meet all kinds of design requirements.
同时，要求自由曲面的造型必需能够局部地自由加以变更，使其符合各式设计需求。
Basic theory and procedure of NC machining for free-form surface based on reverse engineering were introduced. Digital measure and CAD modeling as well as tool path generating were analyzed.
介绍了以反求工程为技术支撑的自由曲面数控加工的基本原理和全过程，并对其中的数字化扫描、CAD建模及刀具轨迹生成等关键技术作了进一步的分析。
Basic theory and procedure of NC machining for free-form surface based on reverse engineering were introduced. Digital measure and CAD modeling as well as tool path generating were analyzed.
介绍了以反求工程为技术支撑的自由曲面数控加工的基本原理和全过程，并对其中的数字化扫描、CAD建模及刀具轨迹生成等关键技术作了进一步的分析。
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