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。
Qt Undo Framework Demo-卡核

Qt Undo Framework Demo

Qt Undo Framework Demo eryar@163.com Abstract. Qt’s Undo Framework is an implementation of the Command Pattern, for implementing undo/redo functionality in applications. The Comma...
OpenCASCADE BRep Projection-卡核

OpenCASCADE BRep Projection

OpenCASCADE BRep Projection eryar@163.com 一网友发邮件问我下图所示的效果如何在OpenCASCADE中实现,我的想法是先构造出螺旋线,再将螺旋线投影到面上。 为了验证我的想法,结合原来螺旋线的...
Mesh Algorithm in OpenCascade-卡核

Mesh Algorithm in OpenCascade

Mesh Algorithm in OpenCascade eryar@163.com Abstract. Rendering a generic surface is a two steps process: first, computing the points that will form the mesh of the surface and the...
最小二乘法拟合直线-卡核

最小二乘法拟合直线

最小二乘法拟合直线 在科学实验和生产实践中,经常需要从一组实验数据出发寻求函数y=f(x)的一个近似表达式,也称为经验公式。从几何上看,就是希望根据给定的m个点,求曲线y=f(x)的一条近似曲线...
清华笔记:计算共形几何讲义 (22)离散曲面曲率流 (Discrete Surface Ricci Flow)IV-卡核

清华笔记:计算共形几何讲义 (22)离散曲面曲率流 (Discrete Surface Ricci Flow)IV

设计黎曼度量又是计算机图形学、计算机视觉、计算力学、医学图像等领域最为基本的问题之一。许多工程中的关键问题可以归结为设计一种特殊的黎曼度量。离散曲面Ricci流是通过曲率来设计黎曼度量...
Representation Data in OpenCascade BRep-卡核

Representation Data in OpenCascade BRep

Representation Data in OpenCascade BRep eryar@163.com 摘要Abstract:现在的显示器大多数是光栅显示器,即可以看做一个像素的矩阵。在光栅显示器上显示的任何图形,实际上都是一些具有一种或...
OpenCascade Ruled Surface-卡核

OpenCascade Ruled Surface

OpenCascade Ruled Surface eryar@163.com Abstract. A ruled surface is formed by moving a line connecting points of equal relative arc length or equal relative parametric value on tw...
OpenCASCADE 曲面展开-卡核

OpenCASCADE 曲面展开

OpenCASCADE 曲面展开 eryar@163.com   Abstract: There is a common need in industries dealing with sheet material products (shipbuilding in the sphere of vessel design, construc...
EasyMesh - A Two-Dimensional Quality Mesh Generator-卡核

EasyMesh – A Two-Dimensional Quality Mesh Generator

EasyMesh - A Two-Dimensional Quality Mesh Generator eryar@163.com Abstract. EasyMesh is developed by Bojan Niceno, it is a two-dimensional quality mesh generator. EasyMesh can...
Topology and Geometry in OpenCascade-Topology-卡核

Topology and Geometry in OpenCascade-Topology

Topology and Geometry in OpenCascade-Topology eryar@163.com 摘要Abstract:本文简要介绍了几何造型中的边界表示法(BRep),并结合程序说明OpenCascade中的边界表示的具体实现,即拓朴与几...
Open CASCADE Technology 7.6.0 released-卡核

Open CASCADE Technology 7.6.0 released

Open Cascade is pleased to announce a new public release of Open CASCADE Technology (version 7.6.0). Open CASCADE Technology version 7.6.0 is a mino...
OpenCascade Chinese Text Rendering-卡核

OpenCascade Chinese Text Rendering

OpenCascade Chinese Text Rendering eryar@163.com Abstract. OpenCascade uses advanced text rendering powered by FTGL library. The FreeType provides vector text rendering, as a resul...