OpenCASCADE7.3.0 is available for download-卡核

OpenCASCADE7.3.0 is available for download

OpenCASCADE7.3.0 is available for download OPEN CASCADE is pleased to announce a new public release of Open CASCADE Technology (version 7.3.0). Open CASCADE Technology version 7.3....
Topology and Geometry in OpenCascade-Edge-卡核

Topology and Geometry in OpenCascade-Edge

Topology and Geometry in OpenCascade-Edge eryar@163.com 摘要Abstract:本文简要介绍了几何造型中的边界表示法(BRep),并结合程序说明OpenCascade中的边界表示的具体实现,即拓朴与几何的...
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...
OpenCASCADE解非线性方程组-卡核

OpenCASCADE解非线性方程组

OpenCASCADE解非线性方程组 eryar@163.com   Abstract. 在科学技术领域里常常提出求解非线性方程组的问题,例如,用非线性函数拟合实验数据问题、非线性网络问题、几何上的曲线曲面求...
Levmar:Levenberg-Marquardt非线性最小二乘算法-卡核

Levmar:Levenberg-Marquardt非线性最小二乘算法

Levmar:Levenberg-Marquardt非线性最小二乘算法 eryar@163.com Abstract. Levmar is GPL native ANSI C implementations of the Levenberg-Marquardt optimization algorithm.The blog focus on...
OpenCASCADE Point Classifier-卡核

OpenCASCADE Point Classifier

OpenCASCADE Point Classifier eryar@163.com   在解决几何问题时常会遇到这样的问题:给定平面上一个有N条边的简单多边形P和一点z,在问点z是在P的内部还是外部,或者是在多边形的边上。...
OPEN CASCADE Multiple Variable Function-卡核

OPEN CASCADE Multiple Variable Function

OPEN CASCADE Multiple Variable Function eryar@163.com Abstract. Multiple variable function with gradient and Hessian matrix is very very import in OPEN CASCADE optimization algorit...
OpenCASCADE Make Face With Holes-卡核

OpenCASCADE Make Face With Holes

OpenCASCADE Make Face With Holes eryar@163.com OpenCASCADE提供了构造Face的类BRepBuilderAPI_MakeFace,使用这个类可以构造出带孔的面。如下图所示: 当然,要得到上图所示的结果,还可以使...
OpenCASCADE DataExchange DWG-卡核

OpenCASCADE DataExchange DWG

OpenCASCADE DataExchange DWG eryar@163.com Abstract. DWG is a file format created in the 70’s for the emerging CAD applications. Currently it is the native file format of AutoCAD,...
Qt源码编译-卡核

Qt源码编译

Qt源码编译 eryar@163.com Key words. Qt, 源码编译 1.Introduction 随着Qt版本升级,源码编译出来的库体积越来越大。如果只是用Qt来做GUI,Qt提供的预编译库中有很多很功能不会用到,所以如果...
OpenCASCADE Customize Highlighting-卡核

OpenCASCADE Customize Highlighting

OpenCASCADE Customize Highlighting eryar@163.com   The traditional way of highlighting selected entity owners adopted by Open CASCADE Technology assumes that each entity owner...
C++ 应用程序性能优化-卡核

C++ 应用程序性能优化

C++ 应用程序性能优化 eryar@163.com 1. Introduction 对于几何造型内核OpenCASCADE,由于会涉及到大量的数值算法,如矩阵相关计算,微积分,Newton迭代法解方程,以及非线性优化的一些算...