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。
OpenCASCADE BRep vs. OpenNURBS BRep-卡核

OpenCASCADE BRep vs. OpenNURBS BRep

OpenCASCADE BRep vs. OpenNURBS BRep eryar@163.com Abstract. BRep short for Boundary Representation. First give the definition of the BRep, then compare the BRep mode between OpenCA...
Qt with OpenCascade-卡核

Qt with OpenCascade

Qt with OpenCascade 摘要Abstract:详细介绍了如何在Qt中使用OpenCascade。  关键字Key Words:Qt、OpenCascade  一、引言 Introduction 1.1 Overview of Qt Qt是1991年奇趣科技开发...
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...
OpenCASCADE 参数曲面面积-卡核

OpenCASCADE 参数曲面面积

OpenCASCADE 参数曲面面积 eryar@163.com Abstract. 本文介绍了参数曲面的第一基本公式,并应用曲面的第一基本公式,结合OpenCASCADE中计算多重积分的类,对任意参数曲面的面积进行计算。 Key W...
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...
OpenCASCADE中散乱Edge生成Wire-卡核

OpenCASCADE中散乱Edge生成Wire

OpenCASCADE中散乱Edge生成Wire eryar@163.com Abstract. In OpenCASCADE a wire can be built from any number of edges in sequence. If edges are not in sequence, you must sort them in o...
OpenCascade HLR for Pipe Model-卡核

OpenCascade HLR for Pipe Model

OpenCascade HLR for Pipe Model eryar@163.com 摘要Abstract:在工厂辅助设计(Plant Design)或船舶辅助设计(Ship Design)等CAD设计软件中建完模型后都会出安装图或制作图,这也是这类辅助...
OpenNURBS 3DM Viewer-卡核

OpenNURBS 3DM Viewer

OpenNURBS 3DM Viewer eryar@163.com Abstract. The openNURBS Toolkit consists of C++ source code for a library that will read and write a openNURBS 3D model file(.3dm). More than 400...
Undo/Redo for Qt Tree Model-卡核

Undo/Redo for Qt Tree Model

Undo/Redo for Qt Tree Model eryar@163.com Abstract. Qt contains a set of item view classes that use a model/view architecture to manage the relationship between data and the way it...
清华笔记:计算共形几何讲义 (16)拓扑球面的调和映照-卡核

清华笔记:计算共形几何讲义 (16)拓扑球面的调和映照

【上课时间:每周二和周四上午9:50-11:20AM;地点:清华大学,近春园西楼三楼报告厅。欢迎任何有兴趣的朋友,前来旁听指导。】上次课程,我们讲解了拓扑圆盘间的调和映照。这次,我们讨论拓扑球...
Consolas 字体-卡核

Consolas 字体

Consolas是一套等宽字体的字型,属无衬线字体,由Lucas de Groot设计。  概述 这套字型使用了微软的ClearType 字型平滑技术,并随同Windows Vista、Office 2007及Microsoft Visual Studio...
OpenCASCADE Conic to BSpline Curves-Parabola-卡核

OpenCASCADE Conic to BSpline Curves-Parabola

OpenCASCADE Conic to BSpline Curves-Parabola eryar@163.com Abstract. Rational Bezier Curve can represent conic curves such as circle, ellipse, hyperbola, .etc. But how to convert a...