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surface trimming
相关语句
  曲面裁剪
     A NEW ALGORITHM FOR SURFACE TRIMMING
     一种曲面裁剪的快速新算法
短句来源
     5. The proposed algorithm is further verified in subsequent practical applications such as surface trimming, surface cutting and surface transition.
     5.为了进一步验证二分跟踪法的有效性,研究并实现了曲面裁剪、曲面剪切、曲面过渡等曲面造型功能,获得了良好的效果。
短句来源
     This paper discusses the algorithm and implementation of the advanced surface design functions in BSURF-GI (an interactive 3D surface modelling system), presents a method which can do surface trimming along with the suface / surface intersection curves and filleting surface boundaries, and also points out the system further research direction and the way of integration with solid modelling system.
     论述了国产化软件BSURF-GI交互式曲面造型系统中高级曲面设计功能的算法原理及其实现途径。 提出了一种能沿曲面与曲面交线和过渡曲面边界线进行曲面裁剪的算法,指出了该系统今后进一步研究的方向及与实体造型系统集成的途径。
短句来源
  曲面切割
     Super-lines and darts treatment in triangulated surface trimming
     三角化网格曲面切割中桥边和省道处理技术及其应用
短句来源
     Two algorithms for triangulated surface trimming are proposed.
     提出了两种曲面切割算法,即切割区域自动识别的曲面交互切割算法和切割路径自动生成的曲面自动切割算法。
短句来源
     They are the algorithm of interactive surface trimming with recognizing cutting region automatically and the algorithm of automatic surface trimming based on generating and optimizing cutting path automatically.
     在曲面交互切割算法中,给出了待切割曲面片的切割边界和切割区域的自动识别机制,以较少的交互操作,智能地实现对复杂曲面的切割。 定义了多种切割线类型,对应不同的切割机制,提高了曲面切割的灵活性。
短句来源
     Previous surface trimming algorithms are usually based on general application field of surface trimming; while for special product design fields,such as garment design,toy design,super-lines and darts as special cutting lines were seldom treated.
     以往的曲面切割区域自动搜索算法通常以一般的曲面切割应用领域为基础,对于特殊产品设计领域,如服装设计、布绒玩具设计中的桥边和省道没有作必要的处理.
短句来源
  曲面裁减
     Surface reconstruction constructs the surfaces by fitting the discrete point cloud and gains the CAD model for the original by surface trimming, extending and joining, which is the key technology of reverse engineering.
     曲面重构造型技术是整个RE技术的核心。 传统的方法是通过对离散的点云进行拟合形成曲面,通过曲面裁减、延伸、拼接得到原始的CAD模型。
短句来源
  “surface trimming”译为未确定词的双语例句
     Study on Curve and Surface Trimming Problem inNURBS Surface Construction
     NURBS曲面造型中曲线曲面分割问题研究
短句来源
     A unified surface model based on object oriented technology is presented, which makes the NURBS surfaces and analytic surfaces be unified in methodology. Based on this model, all the problems about surface modeling, such as,surface editing, modifying,surface intersection,surface trimming,surface blending and offsetting are simplified and unified.
     提出了一种基于面向对象(ObjectOriented)技术的统一曲面模型,它将NURBS曲面和解析曲面在方法上统一起来在这个模型的基础上,有关曲面造型的所有问题(如曲面的编辑、修改,曲面的求交、裁剪、过渡和偏置等运算)都得到了简化,且在方法上得到了统一.
短句来源
     This paper expounds the algorithms of curves, surfaces, equidistant surfaces, surface intersection and surface trimming related to the NC machining data conversion, it emphatically discusses the methods and characteristics of representing curves and surfaces by using the rational B-spline.
     本文论述了与数控加工数据转换技术有关的曲线、曲面、等距曲面、曲面求交和曲面修剪的算法。 重点对有理B样条表示曲线曲面的方法及特点进行了探讨。
短句来源
     Based on the NURBS homogeneouscoordinate expression,the authors put forward acurve and surface trimming algorithm. By transforming NURBS problems to non-rational B-splineproblems,the trimming algorithm of B-spline canbe utilized. This method has explicit geometrymeaning and convenient calculating procedure,thuscan be easily used in CAD/CAM systems.
     提出一种基于NURBS齐次坐标表示来计算曲线曲面分割问题的方法,把NURBS问题转化为四维空间里非有理B样条问题,就可利用B样条分割算法来解决,其几何意义明确,求解过程简便易行,便于在CAD/CAM系统中实现。
短句来源
     In addition, G1 continuous blending surface was constructed. Surface editing function such as surface/surface intersection, surface trimming and surface conflating were realized. Surface model was constructed from wire-frame model.
     构造G1连续的过渡曲面,实现曲面求交、裁剪和拼接等编辑功能,从线框模型上构造曲面模型。
短句来源
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  surface trimming
The proposed algorithm is suitable for interactive operations of surface trimming.
      
In existing methods of surface trimming, cutting lines are usually picked manually or assumed to be known or determined by computing the intersection between two surfaces.
      
Surface trimming is widely used in surface modeling, texture mapping and medical simulation.
      


This paper discusses the algorithm and implementation of the advanced surface design functions in BSURF-GI (an interactive 3D surface modelling system), presents a method which can do surface trimming along with the suface / surface intersection curves and filleting surface boundaries, and also points out the system further research direction and the way of integration with solid modelling system. In order to enhance the reliability of Newton-Raphson iteration method in surface / surface...

This paper discusses the algorithm and implementation of the advanced surface design functions in BSURF-GI (an interactive 3D surface modelling system), presents a method which can do surface trimming along with the suface / surface intersection curves and filleting surface boundaries, and also points out the system further research direction and the way of integration with solid modelling system. In order to enhance the reliability of Newton-Raphson iteration method in surface / surface intersection, a new method, which can automatically find the effective initial iteration value for Newon-Raphson iteration, is also proposed, Finally some examples of advanced surface design functions are given.

论述了国产化软件BSURF-GI交互式曲面造型系统中高级曲面设计功能的算法原理及其实现途径。提出了一种能沿曲面与曲面交线和过渡曲面边界线进行曲面裁剪的算法,指出了该系统今后进一步研究的方向及与实体造型系统集成的途径。为解决曲面与曲面求交算法中自动给出Newton-Raphson迭代法初值的优选难问题,本文还提出了一种有效的自动优选初值的方法——面积映射法。最后给出了一些高级曲面功能图例。

A unified surface model based on object oriented technology is presented, which makes the NURBS surfaces and analytic surfaces be unified in methodology. Based on this model, all the problems about surface modeling, such as,surface editing, modifying,surface intersection,surface trimming,surface blending and offsetting are simplified and unified.

提出了一种基于面向对象(ObjectOriented)技术的统一曲面模型,它将NURBS曲面和解析曲面在方法上统一起来在这个模型的基础上,有关曲面造型的所有问题(如曲面的编辑、修改,曲面的求交、裁剪、过渡和偏置等运算)都得到了简化,且在方法上得到了统一.

This paper expounds the algorithms of curves, surfaces, equidistant surfaces, surface intersection and surface trimming related to the NC machining data conversion, it emphatically discusses the methods and characteristics of representing curves and surfaces by using the rational B-spline. It also gives the methods of how to reasonably create a fitting surface and the. methods of generation and edition of toolpath. In the end, the application of the technology in the manufacturing of automobile...

This paper expounds the algorithms of curves, surfaces, equidistant surfaces, surface intersection and surface trimming related to the NC machining data conversion, it emphatically discusses the methods and characteristics of representing curves and surfaces by using the rational B-spline. It also gives the methods of how to reasonably create a fitting surface and the. methods of generation and edition of toolpath. In the end, the application of the technology in the manufacturing of automobile covering panel dies is introduced.

本文论述了与数控加工数据转换技术有关的曲线、曲面、等距曲面、曲面求交和曲面修剪的算法。重点对有理B样条表示曲线曲面的方法及特点进行了探讨。同时,还讨论了如何合理地生成拟合曲面的方法及刀具运动轨迹的生成和编辑方法。最后介绍了该技术在汽车覆盖件模具制造上的应用。

 
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