几何造型器

几何造型系统是指能够定义、描述、生成几何模型,并能够进行交互编辑处理的系统称为几何造型系统。采用几何造型技术,可以将物体的形状及其各种属性存储在计算机内,形成该物体的几何模型。这样的几何模型是对原物体确切的数学表达,或对其某种状态的真实模拟。
Parametric Curves and Surfaces-卡核

Parametric Curves and Surfaces

Parametric Curves and Surfaces eryar@163.com Abstract. This paper is concerned with parametric curves and surfaces definitions, such as singular point and regular point and their a...
OpenCASCADE Incremental Mesh-卡核

OpenCASCADE Incremental Mesh

OpenCASCADE Incremental Mesh eryar@163.com   Abstract. OpenCASCADE IncrementalMesh is used to build the mesh of a shape with respect of their correctly triangulated parts. The...
OpenCASCADE Hidden Line Removal-卡核

OpenCASCADE Hidden Line Removal

OpenCASCADE Hidden Line Removal eryar@163.com Abstract. To provide the precision required in industrial design, drawings need to offer the possibility of removing lines, which are ...
OpenCASCADE JT Assistant-卡核

OpenCASCADE JT Assistant

OpenCASCADE JT Assistant eryar@163.com Abstract. Siemens’ JT data format accepted as the world’s first ISO international standard for viewing and sharing lightweight 3D product i...
Plant Design Review Based on AnyCAD-卡核

Plant Design Review Based on AnyCAD

Plant Design Review Based on AnyCAD eryar@163.com Abstract. AVEVA Review is used to 3D model visualization for plant or ship design, construction and operation. Taking data from a ...
清华笔记:计算共形几何讲义 (21)离散曲面曲率流 (Discrete Surface Ricci Flow)III-卡核

清华笔记:计算共形几何讲义 (21)离散曲面曲率流 (Discrete Surface Ricci Flow)III

以前章节,我们介绍了曲面曲率流的一种离散形式-离散Yamabe流,主要操作是顶点缩放(Vertex Scaling)来共形变换度量来实现目标曲率。在实践中,往往多面体曲面的三角剖分是固定的。如果给定一...
Open CASCADE Technology 7.6.0 released-卡核

Open CASCADE Technology 7.6.0 released

Open Cascade is pleased to announce a new public release of Open CASCADE Technology (version 7.6.0). Open CASCADE Technology version 7.6.0 is a mino...
OpenCASCADE Interpolation - Lagrange-卡核

OpenCASCADE Interpolation – Lagrange

OpenCASCADE Interpolation - Lagrange eryar@163.com Abstract. Power basis polynomial is the most simple polynomial function. It also be called power series. OpenCASCADE provides bas...
OpenCASCADE BRepTools-卡核

OpenCASCADE BRepTools

OpenCASCADE BRepTools eryar@163.com Abstract. OpenCASCADE BRepTools provides utilities for BRep data structure. OuterWire method to find the outer wire of a face. Dump method to du...
OpenCASCADE PCurve终极问题-卡核

OpenCASCADE PCurve终极问题

OpenCASCADE PCurve终极问题 eryar@163.com   Abstract: Geometry Curves and Surfaces in BRep are parametric equations. So given a parametric space curve and a geometry surface ca...
OpenCASCADE BRepMesh - 2D Delaunay Triangulation-卡核

OpenCASCADE BRepMesh – 2D Delaunay Triangulation

OpenCASCADE BRepMesh - 2D Delaunay Triangulation eryar@163.com Abstract. OpenCASCADE package BRepMesh can compute the Delaunay’s triangulation with the algorithm of Watson. It can...
OpenCascade Shape Representation in OpenSceneGraph-卡核

OpenCascade Shape Representation in OpenSceneGraph

OpenCascade Shape Representation in OpenSceneGraph eryar@163.com 摘要Abstract:本文通过程序实例,将OpenCascade中的拓朴数据(边、面)离散化后在OpenSceneGraph中进行显示。有了这些离散...