OpenCascade B-Spline Basis Function-卡核

OpenCascade B-Spline Basis Function

OpenCascade B-Spline Basis Function eryar@163.com Abstract. B-splines are quite a bit more flexible than Bezier curves. This flexibility comes from the fact that you have much more...
OpenCASCADE Rational Bezier Curves-卡核

OpenCASCADE Rational Bezier Curves

OpenCASCADE Rational Bezier Curves eryar@163.com Abstract. Although polynomials offer many advantages, there exist a number of important curve and surface types which cannot be rep...
OpenCASCADE Rolling Ball-卡核

OpenCASCADE Rolling Ball

OpenCASCADE Rolling Ball eryar@163.com   在《The NURBS Book》书中引入了三边球面片(Three-sided Spherical Surface)的概念: 当三个曲面两两相交时,会使三边界曲线交于一个角点(如...
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...
BRep Shapes Based on Tessellated Geometry-卡核

BRep Shapes Based on Tessellated Geometry

BRep Shapes Based on Tessellated Geometry eryar@163.com Key Words. BRep Shape, Tessellated Geometry, Mesh, STL 1. Introduction OCCT的TopoDS允许定义只包含显示数据的BRep体,如只...
Implementation Model Editor of AVEVA in OpenSceneGraph-卡核

Implementation Model Editor of AVEVA in OpenSceneGraph

Implementation Model Editor of AVEVA in OpenSceneGraph eryar@163.com 摘要Abstract:本文主要对工厂和海工设计软件AVEVA的交互方式进行详细介绍,对OpenSceneGraph中的人机交互工具拖拽器进...
OpenCASCADE Performance Test-卡核

OpenCASCADE Performance Test

OpenCASCADE Performance Test eryar@163.com Abstract. Use the Draw Test Harness to test the performance of OpenCASCADE by Tcl scripts. From the test result, you will check whether t...
OpenCASCADE编码规范-内存对齐-卡核

OpenCASCADE编码规范-内存对齐

OpenCASCADE编码规范-内存对齐 eryar@163.com   在OpenCASCADE 的编码规范Coding Rules中提到了一条与性能相关的规范,那就是类的内存对齐要求,特别是intel的机器。 对应的编码的要求就是...
OpenCASCADE 投影生成PCurve-卡核

OpenCASCADE 投影生成PCurve

OpenCASCADE 投影生成PCurve eryar@163.com Abstract: Geometry Curves and Surfaces in BRep are parametric equations. So given a parametric space curve and a geometry surface can map t...
Topology and Geometry in OpenCascade-Vertex-卡核

Topology and Geometry in OpenCascade-Vertex

Topology and Geometry in OpenCascade-Vertex 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,即拓朴与几何...
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 PCurve of Topological Face-卡核

OpenCASCADE PCurve of Topological Face

OpenCASCADE PCurve of Topological Face eryar@163.com Abstract. OpenCASCADE provides a class BRepBuilderAPI_MakeFace to build topological faces. A face maybe built from a surface, e...