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
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
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
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
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
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
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
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
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
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
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
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...