Open Cascade DataExchange DXF eryar@163.com 摘要Abstract:对DXF文本格式进行详细介绍,并介绍了如何使用开源库dxflib对DXF文件进行读写操作,并将DXF文件中图形导入到OpenCascade. 关键字Key Words:DXF.Open Cascade.Data Exchange, dxflib 一.引言 Introduction 目前市面上的CAD系统都有自己的数据文件,各个系统之间的数据结构和格式各不相同,这样极大影响了设计和制造部门…

Open Cascade DataExchange IGES eryar@163.com 摘要Abstract:本文结合OpenCascade和Initial Graphics Exchange Specification来对IGES格式进行详细说明,理解IGES格式的结构,进而方便对OpenCascade中IGES格式文件读写的实现进行理解. 关键字Key Words:IGES.Open Cascade.Data Exchange 一.引言 Introduction 目前市面上的CAD系统都有…

Open Cascade Data Exchange STL eryar@163.com 摘要Abstract:介绍了三维数据交换格式STL的组成,以及Open Cascade中对STL的读写.并将Open Cascade读进来的STL的三角面片在OpenSceneGraph中显示. 关键字Key Words:STL, Open Cascade, OpenSceneGraph, Data Exchange STL(the Stereo Lithograpy)是快速原型系统所应用的标准文件类型.它…

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, a proprietary CAD program developed by Autodesk. Libredwg is a free C…

OCCT模块结构图 基础类: Foundation Classes module underlies all other OCCT classes; 模型数据: Modeling Data module supplies data structures to represent 2D and 3D geometric primitives and their compositions into CAD models; 模型算法: Modeling Algorithms module contai…

为了帮助OPEN CASCADE新手顺利编译OPEN CASCADE源码,特录制了一个视频, 有了这个视频,OPEN CASCADE的编译再也不麻烦啦!…

Function Set in OPEN CASCADE eryar@163.com Abstract. The common math algorithms library provides a C++ implementation of the most frequently used mathematical algorithms. These include: algorithms to solve a set of linear algebraic equations, algorit…

Apply Newton Method to Find Extrema in OPEN CASCADE eryar@163.com Abstract. In calculus, Newton’s method is used for finding the roots of a function. In optimization, Newton’s method is applied to find the roots of the derivative. OPEN CASCADE implem…

文章链接:   http://pan.baidu.com/s/1bQBJMQ  密码:4772 作者在这里提出了基于神经网络的Cascade方法,Cascade最早可追溯到Haar Feature提取时用到的Adaboost算法(参考这个博客:http://blog.csdn.net/zouxy09/article/details/7922923),作者在这里将它和神经网络结合到了一起,可谓创新. 关键字:Cascade:Calibration; 为了提高图片的测试速度,作者在这里使用了Casc…

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 algorithms. In order to understand these optimization algorithm better, let’s…