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 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 Connect Edges to Wires-卡核

OpenCASCADE Connect Edges to Wires

OpenCASCADE Connect Edges to Wires eryar@163.com   1 Introduction 在边界表示法(BREP)中,WIRE是由首尾依次相连的EDGE组成的闭合结构,有的内核也叫做LOOP。BREP结构中,就是通过WIR...
OpenCASCADE 麻花钻头造型实例分析-卡核

OpenCASCADE 麻花钻头造型实例分析

OpenCASCADE 麻花钻头造型实例分析 eryar@163.com Abstract. OpenCASCADE provides a simple twist drill bit modeling example in Tcl script. The blog will give a details of some key poin...
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...
Geometry Curve of OpenCascade BRep-卡核

Geometry Curve of OpenCascade BRep

Geometry Curve of OpenCascade BRep eryar@163.com 摘要Abstract:几何曲线是参数表示的曲线 ,在边界表示中其数据存在于BRep_TEdge中,BRep_TEdge中不仅包括了几何曲线,还包含其他类型的几何...
AVEVA Model Data Exchange Exports Structure Models-卡核

AVEVA Model Data Exchange Exports Structure Models

AVEVA Model Data Exchange Exports Structure Modelseryar@163.com   Use Model Data Exchange Addin to export structure models for PDMS: Figure 1.1 Structure models in AVEVA PDMS ...
解析几何求交之直线与二次曲面-卡核

解析几何求交之直线与二次曲面

解析几何求交之直线与二次曲面 eryar@163.com   Abstract. OpenCASCADE provides the analytic intersection between a conic and a quadric in the package IntAna. Key Words. Analytic ...
OpenCascade Ray Tracing Rendering-卡核

OpenCascade Ray Tracing Rendering

OpenCascade Ray Tracing Rendering eryar@163.com 摘要Abstract:OpenCascade6.7.0中引入了光线跟踪算法的实现。使用光线跟踪算法可实现高质量的渲染效果,且可以使用GPU提升渲染效率。  ...
清华笔记:计算共形几何讲义 (15)拓扑圆盘的调和映照-卡核

清华笔记:计算共形几何讲义 (15)拓扑圆盘的调和映照

图1. 从三维人脸曲面到平面圆盘的调和映照。【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。】我们前面的课程介绍了...
occActiveX - ActiveX with OpenCASCADE-卡核

occActiveX – ActiveX with OpenCASCADE

occActiveX - ActiveX with OpenCASCADE eryar@163.com Abstract. OpenCASCADE ActiveX wrapper for VB, C#, Web, Delphi. Key Words. OpenCASCADE, ActiveX, VB, Delphi, C#, Web 1.Introducti...
AVEVA PDMS to DIALux-卡核

AVEVA PDMS to DIALux

AVEVA PDMS to DIALux eryar@163.com   Abstract. DIAL develops DIALux - the world\'s leading software for planning, calculation and visualisation of indoor and outdoor lighting....
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,...