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圆与平面求交-卡核

OpenCASCADE圆与平面求交

OpenCASCADE圆与平面求交 eryar@163.com   在 解析几何求交之圆与二次曲面中分析了OpenCASCADE提供的类IntAna_IntConicQuad可以用来计算圆与二次曲面之间的交点,这个算法是将平面Pla...
Clash Detection-卡核

Clash Detection

Clash Detection eryar@163.com Abstract. Clash detection is used for the model collision check. The paper introduce the clash detection in PDMS, and also about how to set the piping...
OpenSceneGraph in ActiveX by ActiveQt-卡核

OpenSceneGraph in ActiveX by ActiveQt

OpenSceneGraph in ActiveX by ActiveQt eryar@163.com Abstract. Qt’s ActiveX and COM support allows Qt for Windows developers to access and use ActiveX controls and COM objects...
OpenCASCADE Data Exchange - 3D PDF-卡核

OpenCASCADE Data Exchange – 3D PDF

OpenCASCADE Data Exchange - 3D PDF eryar@163.com Abstract. Today most 3D engineering model data are save to 3D PDF files. Universal 3D(U3D) along side Product Representation Compac...
Tcl Tk Introduction-卡核

Tcl Tk Introduction

Tcl Tk Introduction eryar@163.com 摘要Abstract:Tcl/Tck脚本可以很容易实现用户自定义的命令,方便的创建图形化的用户界面GUI,所以Tcl和Tk的应用领域几乎覆盖了图形和工程应用的全部范围,...
Hello World of OpenCascade-卡核

Hello World of OpenCascade

Hello World of OpenCascade eryar@163.com   摘要Abstract:以一个经典的Hello World程序为例开始对开源几何造型内核OpenCascade的学习。 关键字Key Words:Ope...
OpenCASCADE Expression Interpreter by Flex & Bison-卡核

OpenCASCADE Expression Interpreter by Flex & Bison

OpenCASCADE Expression Interpreter by Flex & Bison eryar@163.com Abstract. OpenCASCADE provide data structure of any expression, relation or function used in mathematics. Flex ...
管道设计CAD系统中重量重心计算-卡核

管道设计CAD系统中重量重心计算

管道设计CAD系统中重量重心计算 eryar@163.com Abstract. 管道设计CAD系统中都有涉及到重量重心计算的功能,这个功能得到的重心数据主要用于托盘式造船时方便根据重心设置吊装配件。重量信息主...
Geometry Surface of OpenCascade BRep-卡核

Geometry Surface of OpenCascade BRep

Geometry Surface of OpenCascade BRep eryar@163.com 摘要Abstract:几何曲面是参数表示的曲面 ,在边界表示中其数据存在于BRep_TFace中,BRep_TFace中不仅包括了几何曲线,还包含用于显示的离...
Boolean operations between triangle meshes-卡核

Boolean operations between triangle meshes

Boolean operations between triangle meshes eryar@163.com Abstract. Boolean operations is one of basic and well known on 3D models. The operations are widely used in computer graphi...
OpenCascade Modeling Algorithms Fillets and Chamfers-卡核

OpenCascade Modeling Algorithms Fillets and Chamfers

Modeling Algorithms Fillets and Chamfers 造型算法——倒圆与倒角 eryar@163.com 一、倒圆Fillet Constructor 1. BRepFilletAPI_MakeFillet 使用类BRepFilletAPI_MakeFillet来为形状添加倒圆...
OpenCASCADE Color Scale-卡核

OpenCASCADE Color Scale

OpenCASCADE Color Scale eryar@163.com Abstract. The color scale is a specialized label object that displays a color map and an accompanying numerical scale for color mapped or cont...