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。
QString::toStdString() crashes-卡核

QString::toStdString() crashes

今天在Qt中开发程序时,遇到一个QString::toStdString()的内存问题,用法如下: void test(const QString& theFileName) { std::string aFileName = theFileName.toStdString(); std::ofstr...
OpenCASCADE Conic to BSpline Curves-Hyperbola-卡核

OpenCASCADE Conic to BSpline Curves-Hyperbola

OpenCASCADE Conic to BSpline Curves-Hyperbola eryar@163.com Abstract. Rational Bezier Curve can represent conic curves such as circle, ellipse, hyperbola, .etc. But how to convert ...
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...
OpenCASCADE 布尔运算简介-卡核

OpenCASCADE 布尔运算简介

OpenCASCADE 布尔运算简介 eryar@163.com 布尔运算(Boolean Operations)是根据两组模型的组合创建出新的模型的造型方法。两组模型Objects/Tools之间有三种布尔算子: 布尔并:FUSE,将两组模...
Use PSO to find minimum in OpenCASCADE-卡核

Use PSO to find minimum in OpenCASCADE

Use PSO to find minimum in OpenCASCADE eryar@163.com Abstract. Starting from OCCT6.8.0 will include one more algorithm for solving global optimization problems. Its development has...
Installing Node.js and Express on Ubuntu-卡核

Installing Node.js and Express on Ubuntu

Installing Node.js and Express on Ubuntu 1. 在nodejs官网上下载Linux Binaries(已经包含了npm):2. 安装Node.js下载后解压,并在解压的文件夹中启动Terminal后,输入命令:    ...
OpenCascade MeshVS Usage-卡核

OpenCascade MeshVS Usage

OpenCascade MeshVS Usage eryar@163.com Abstract. MeshVS means Mesh Visualization Service. It can be used to representation mesh in different style, such as colored stress patterns ...
Pipedata3d - Welding Neck Flange-卡核

Pipedata3d – Welding Neck Flange

Pipedata3d - Welding Neck Flange eryar@163.com Abstract. Pipedata3d show piping component data in tables and 3D modeling. It can help the piping designers to looking up piping info...
清华笔记:计算共形几何讲义 (7)矢量场设计-卡核

清华笔记:计算共形几何讲义 (7)矢量场设计

漫长的课程至此,我们终于可以应用所学的理论工具来分析解决一些实际问题了。我们学习了曲面的代数拓扑和 微分拓扑,de Rham上同调的霍奇理论,作为应用实例,我们讨论如何构造曲面上光滑矢量场...
pythonocc基础使用:导入模型——OCAF(iges/step)-卡核

pythonocc基础使用:导入模型——OCAF(iges/step)

总目录 >> PythonOCC入门进阶到实战(目前已更新入门篇、基础篇和进阶篇) 简单的模型文件的读取包括iges/step/stl,以及gltf和stl,obj等文件。最后呈现出的结果是将三维模型展示在界面中。 ...
小新快跑123的头像-卡核小新快跑123
6623739
pythonocc进阶学习:曲线拟合(插值 Interpolation/逼近 Approximation)-卡核

pythonocc进阶学习:曲线拟合(插值 Interpolation/逼近 Approximation)

2d 使用插值法: from OCC.Core.Geom2dAPI import Geom2dAPI_Interpolate from OCC.Core.TColgp import TColgp_HArray1OfPnt2d from OCC.Core.gp import gp_Pnt2d from OCC.Display.Simpl...
九韶内核:几何基础-卡核

九韶内核:几何基础

坐标构建使用默认构造函数将得到原点坐标,另外构建时需要输入浮点数。注:所有的几何都只支持输入浮点数,后续不再特殊说明。Coord3AMCAX::Coord3 crd3d(0.0, 0.0, 2.0);Coord2AMCAX::Coord2 c...
九韶智能的头像-卡核九韶智能
4.9W+1.6W+