Locations Section of OpenCascade BRep-卡核

Locations Section of OpenCascade BRep

Locations Section of OpenCascade BRep eryar@163.com 摘要Abstract:本文结合OpenCascade的BRep格式描述文档和源程序,对BRep格式进行分析,详细说明BRep的数据组织形式。本文主要通过对BRep...
OpenCASCADE Trihedron Law-卡核

OpenCASCADE Trihedron Law

OpenCASCADE Trihedron Law eryar@163.com Abstract. In differential geometry the Frenet-Serret formulas describe the kinematic properties of a particle moving along a continuous, dif...
Construction of Primitives in Open Cascade-卡核

Construction of Primitives in Open Cascade

Construction of Primitives in Open Cascade eryar@163.com 一、创建基本图元 Making Primitives 将用到如下的类创建基本图元,包括长方体(Box)、楔形体(Wedge)、旋转体(Revol)等。这些类提供S...
Visualize Surface by Delaunay Triangulator-卡核

Visualize Surface by Delaunay Triangulator

Visualize Surface by Delaunay Triangulator eryar@163.com Abstract. Delaunay Triangulation is the core algorithm for mesh generation. By Delaunay Triangulator you can make a general...
OpenCASCADE Application Framework Data Framework Services-卡核

OpenCASCADE Application Framework Data Framework Services

OpenCASCADE Application Framework Data Framework Services eryar@163.com 一、概述Overview OpenCASCADE的数据框架对来自不同程序的数据提供了统一的处理环境。这就简化了数据交换、修改,也...
Intel TBB in OpenCASCADE-卡核

Intel TBB in OpenCASCADE

Intel TBB in OpenCASCADE eryar@163.com   OpenCASCADE使用了一个开源的第三方库Intel TBB,这个并行计算库主要用于网格化、布尔操作等复杂算法,可以明显提升速度。...
OpenCascade B-Spline Basis Function-卡核

OpenCascade B-Spline Basis Function

OpenCascade B-Spline Basis Function eryar@163.com Abstract. B-splines are quite a bit more flexible than Bezier curves. This flexibility comes from the fact that you have much more...
OpenCASCADE Rational Bezier Curves-卡核

OpenCASCADE Rational Bezier Curves

OpenCASCADE Rational Bezier Curves eryar@163.com Abstract. Although polynomials offer many advantages, there exist a number of important curve and surface types which cannot be rep...
OpenCASCADE Rolling Ball-卡核

OpenCASCADE Rolling Ball

OpenCASCADE Rolling Ball eryar@163.com   在《The NURBS Book》书中引入了三边球面片(Three-sided Spherical Surface)的概念: 当三个曲面两两相交时,会使三边界曲线交于一个角点(如...
Convert BSpline Curve to Arc Spline in OpenCASCADE-卡核

Convert BSpline Curve to Arc Spline in OpenCASCADE

Convert BSpline Curve to Arc Spline in OpenCASCADE eryar@163.com Abstract. The paper based on OpenCASCADE algorithms to approximate the NURBS curve to arc spline. The method i...
BRep Shapes Based on Tessellated Geometry-卡核

BRep Shapes Based on Tessellated Geometry

BRep Shapes Based on Tessellated Geometry eryar@163.com Key Words. BRep Shape, Tessellated Geometry, Mesh, STL 1. Introduction OCCT的TopoDS允许定义只包含显示数据的BRep体,如只...
Implementation Model Editor of AVEVA in OpenSceneGraph-卡核

Implementation Model Editor of AVEVA in OpenSceneGraph

Implementation Model Editor of AVEVA in OpenSceneGraph eryar@163.com 摘要Abstract:本文主要对工厂和海工设计软件AVEVA的交互方式进行详细介绍,对OpenSceneGraph中的人机交互工具拖拽器进...