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中散乱Edge生成Wire-卡核

OpenCASCADE中散乱Edge生成Wire

OpenCASCADE中散乱Edge生成Wire eryar@163.com Abstract. In OpenCASCADE a wire can be built from any number of edges in sequence. If edges are not in sequence, you must sort them in o...
OpenCascade HLR for Pipe Model-卡核

OpenCascade HLR for Pipe Model

OpenCascade HLR for Pipe Model eryar@163.com 摘要Abstract:在工厂辅助设计(Plant Design)或船舶辅助设计(Ship Design)等CAD设计软件中建完模型后都会出安装图或制作图,这也是这类辅助...
OpenNURBS 3DM Viewer-卡核

OpenNURBS 3DM Viewer

OpenNURBS 3DM Viewer eryar@163.com Abstract. The openNURBS Toolkit consists of C++ source code for a library that will read and write a openNURBS 3D model file(.3dm). More than 400...
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...
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...
Consolas 字体-卡核

Consolas 字体

Consolas是一套等宽字体的字型,属无衬线字体,由Lucas de Groot设计。  概述 这套字型使用了微软的ClearType 字型平滑技术,并随同Windows Vista、Office 2007及Microsoft Visual Studio...
OpenCASCADE Conic to BSpline Curves-Parabola-卡核

OpenCASCADE Conic to BSpline Curves-Parabola

OpenCASCADE Conic to BSpline Curves-Parabola eryar@163.com Abstract. Rational Bezier Curve can represent conic curves such as circle, ellipse, hyperbola, .etc. But how to convert a...
OpenNURBS to OpenCASCADE-卡核

OpenNURBS to OpenCASCADE

OpenNURBS to OpenCASCADE eryar@163.com Abstract. The OpenNURBS initiative provides CAD/CAM/CAE and computer graphics software developers the tools to accurately transfer 3D geometr...
OpenCASCADE Point Classifier-卡核

OpenCASCADE Point Classifier

OpenCASCADE Point Classifier eryar@163.com   在解决几何问题时常会遇到这样的问题:给定平面上一个有N条边的简单多边形P和一点z,在问点z是在P的内部还是外部,或者是在多边形的边上。...
Intersection between 2d conic in OpenCASCADE-卡核

Intersection between 2d conic in OpenCASCADE

Intersection between 2d conic in OpenCASCADE eryar@163.com   Abstract. OpenCASCADE provides the algorithm to implement of the intersection between two 2d conic curve. The coni...
[转]GLTF-3D图形界的JPEG-卡核

[转]GLTF-3D图形界的JPEG

GLTF简介 1.glTF(GL TransmissionFormat),即图形语言交换格式,它是一种3D内容的格式标准,由Khronos Group管理(Khronos Group还管理着OpenGL系列、OpenCL等重要的行业标准); 2.glTF的设计...