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。
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...
OpenCascade Draw Test Harness-卡核

OpenCascade Draw Test Harness

OpenCascade Draw Test Harness eryar@163.com Abstract. Draw is a command interpreter based on Tcl/Tk and a graphical system used to test and demonstrate OpenCascade modeling librari...
OpenCASCADE Extended Data Exchange - XDE-卡核

OpenCASCADE Extended Data Exchange – XDE

OpenCASCADE Extended Data Exchange - XDE eryar@163.com Abstract. OpenCASCADE Data Exchange allows developing OCCT-Based applications that can interact with other CAD systems by wri...
卡核推荐:深入剖析三维几何内核(7)--一般技术-卡核

卡核推荐:深入剖析三维几何内核(7)–一般技术

本文原文:多物理场仿真技术 本文介绍一些几何内核经常使用的一些技术内容. 1. 树结构 树是几何和图形学中一种常见的数据结构。比如最常见的二维平面四叉树,三维空间八叉树,它的基本思想来源...
OpenCascade Draw Test Harness-卡核

OpenCascade Draw Test Harness

OpenCascade Draw Test Harness eryar@163.com Abstract. Draw is a command interpreter based on Tcl/Tk and a graphical system used to test and demonstrate OpenCascade modeling librari...
OpenCascade Application Framework Introduction-卡核

OpenCascade Application Framework Introduction

OpenCascade Application Framework Introduction eryar@163.com 本教程介绍了Open CASCADE程序框架(Application Framework)的使用方法。OCAF(the Open CASCADE Application Framework)是一...
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...
OpenCASCADE点向平面投影-卡核

OpenCASCADE点向平面投影

OpenCASCADE点向平面投影   OpenCASCADE的ProjLib类提供了解析曲线(直线、圆、椭圆、抛物线、双曲线)向解析曲面(平面、圆柱面、圆锥面、球面、圆环面)投影的功能,主要用来计算三维曲...
Surface Normal Vector in OpenCascade-卡核

Surface Normal Vector in OpenCascade

Surface Normal Vector in OpenCascade eryar@163.com 摘要Abstract:表面上某一点的法向量(Normal Vector)指的是在该点处与表面垂直的方向。对于平面,其上各点的法向是一样的,统一为这个平...
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...
OpenCASCADE 曲线向曲面投影-卡核

OpenCASCADE 曲线向曲面投影

OpenCASCADE 曲线向曲面投影 eryar@163.com   Abstract: Project a curve on a surface no matter the surface is a plane or BSpline Surface. The projected result curve are all BSpli...
A Simple OpenCASCADE Qt Demo-occQt-卡核

A Simple OpenCASCADE Qt Demo-occQt

A Simple OpenCASCADE Qt Demo-occQt eryar@163.com Abstract. OpenCASCADE have provided the Qt samples in the samples directory, but they are a little complicated. So I decide write a...