OpenCASCADE Linear Extrusion Surface eryar@163.com Abstract. OpenCASCADE linear extrusion surface is a generalized cylinder. Such a surface is obtained by sweeping a curve (called ...

OpenCASCADE BRepTools eryar@163.com Abstract. OpenCASCADE BRepTools provides utilities for BRep data structure. OuterWire method to find the outer wire of a face. Dump method to du...

OPEN CASCADE Curve Continuity eryar@163.com Abstract. 设计一条复杂曲线时，出于设计和制造上的考虑，常常通过多段曲线组合而成，这就需要解决曲线段之间如何实现光滑连接的问题。评价曲线间...

OpenCASCADE Shape Location eryar@163.com Abstract. The TopLoc package of OpenCASCADE gives resources to handle 3D local coordinate systems called Locations. A Location is a co...

Two analytical 2d line intersection in OpenCASCADE eryar@163.com Abstract. OpenCASCADE geometric tools provide algorithms to calculate the intersection of two 2d curves, surfaces, ...

OpenCASCADE 3 Planes Intersection eryar@163.com Abstract. OpenCASCADE provides the algorithm to search the intersection point between 3 planes. If two of the planes are parallel or...

管道设计CAD系统中重量重心计算 eryar@163.com Abstract. 管道设计CAD系统中都有涉及到重量重心计算的功能，这个功能得到的重心数据主要用于托盘式造船时方便根据重心设置吊装配件。重量信息主...

OpenCASCADE 参数曲面面积 eryar@163.com Abstract. 本文介绍了参数曲面的第一基本公式，并应用曲面的第一基本公式，结合OpenCASCADE中计算多重积分的类，对任意参数曲面的面积进行计算。 Key W...

OpenCASCADE构造一般曲面 eryar@163.com Abstract. 本文主要介绍常见的曲面如一般柱面（拉伸曲面）、旋转面在OpenCASCADE中的构造方法，由此思考一般放样算法的实现。 Key Words. Common Surfac...

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...

OpenCASCADE Face Normals eryar@163.com   Abstract. 要显示一个逼真的三维模型，其顶点坐标、顶点法向、纹理坐标这三个信息必不可少。本文主要介绍如何在OpenCASCADE的Draw中显示出曲面...

OpenCASCADE点向平面投影   OpenCASCADE的ProjLib类提供了解析曲线（直线、圆、椭圆、抛物线、双曲线）向解析曲面（平面、圆柱面、圆锥面、球面、圆环面）投影的功能，主要用来计算三维曲...