opencascade code study

Delaunay Triangulation in OpenCascade-卡核

Delaunay Triangulation in OpenCascade

Delaunay Triangulation in OpenCascade eryar@163.com 摘要:本文简要介绍了Delaunay三角剖分的基础理论,并使用OpenCascade的三角剖分算法将边界BRep表示的几何体进行三角离散化后在OpenScene...
OpenCASCADE BRep vs. OpenNURBS BRep-卡核

OpenCASCADE BRep vs. OpenNURBS BRep

OpenCASCADE BRep vs. OpenNURBS BRep eryar@163.com Abstract. BRep short for Boundary Representation. First give the definition of the BRep, then compare the BRep mode between OpenCA...
OpenCascade BRep Format Description-卡核

OpenCascade BRep Format Description

OpenCascade BRep Format Description eryar@163.com 摘要Abstract:本文结合OpenCascade的BRep格式描述文档和源程序,对BRep格式进行分析,详细说明BRep的数据组织形式。结合源程序,可以对Ope...
OpenCASCADE JT Assistant-卡核

OpenCASCADE JT Assistant

OpenCASCADE JT Assistant eryar@163.com Abstract. Siemens’ JT data format accepted as the world’s first ISO international standard for viewing and sharing lightweight 3D product i...
OpenCASCADE Curve Length Calculation-卡核

OpenCASCADE Curve Length Calculation

OpenCASCADE Curve Length Calculation eryar@163.com Abstract. The natural parametric equations of a curve are parametric equations that represent the curve in terms of a coordinate-...
Open Cascade Data Exchange STL-卡核

Open Cascade Data Exchange STL

Open Cascade Data Exchange STL eryar@163.com 摘要Abstract:介绍了三维数据交换格式STL的组成,以及Open Cascade中对STL的读写。并将Open Cascade读进来的STL的三角面片在OpenSceneGraph中显...
解析几何之二次型-卡核

解析几何之二次型

解析几何之二次型 eryar@163.com Abstract. 通过二次多项式的形式把二次曲线和二次曲面之间的求交问题统一成对将参数方程代入隐式方程得到问题的求解。 Key Words. Quadratic Form, Conic, Anal...
Convert BSpline Curve to Arc Spline in OpenCASCADE-卡核

Convert BSpline Curve to Arc Spline in OpenCASCADE

Convert BSpline Curve to Arc Spline in OpenCASCADE eryar@163.com Abstract. The paper based on OpenCASCADE algorithms to approximate the NURBS curve to arc spline. The method i...
[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...
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...
OpenCascade BRep Format Description (2)-卡核

OpenCascade BRep Format Description (2)

OpenCascade BRep Format Description eryar@163.com 摘要Abstract:本文结合OpenCascade的BRep格式描述文档和源程序,对BRep格式进行分析,详细说明BRep的数据组织形式。结合源程序,可以对Ope...
最小二乘法拟合三维直线-卡核

最小二乘法拟合三维直线

最小二乘法拟合三维直线 eryar@163.com   在《高等数学》的书中给出了最小二乘法拟合直线的具体实例,但是那个例子是拟合二维直线的f(t)=at+b,那么三维直线怎么使用最小二乘法来拟合呢?...