OpenCASCADE Trihedron Law eryar@163.com Abstract. In differential geometry the Frenet-Serret formulas describe the kinematic properties of a particle moving along a continuous, dif...

OpenCascade Sweep Algorithm eryar@163.com Abstract. Sweeps are the objects you obtain by sweeping a profile along a path. Sweep is a very useful modeling algorithm. The paper focus...

Boolean operations between triangle meshes eryar@163.com Abstract. Boolean operations is one of basic and well known on 3D models. The operations are widely used in computer graphi...

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...

Intel TBB in OpenCASCADE eryar@163.com   OpenCASCADE使用了一个开源的第三方库Intel TBB，这个并行计算库主要用于网格化、布尔操作等复杂算法，可以明显提升速度。...

OpenCASCADE解非线性方程组 eryar@163.com   Abstract. 在科学技术领域里常常提出求解非线性方程组的问题，例如，用非线性函数拟合实验数据问题、非线性网络问题、几何上的曲线曲面求...

Levmar:Levenberg-Marquardt非线性最小二乘算法 eryar@163.com Abstract. Levmar is GPL native ANSI C implementations of the Levenberg-Marquardt optimization algorithm.The blog focus on...

OpenCASCADE Make Face With Holes eryar@163.com OpenCASCADE提供了构造Face的类BRepBuilderAPI_MakeFace，使用这个类可以构造出带孔的面。如下图所示： 当然，要得到上图所示的结果，还可以使...

OpenCASCADE Incremental Mesh eryar@163.com   Abstract. OpenCASCADE IncrementalMesh is used to build the mesh of a shape with respect of their correctly triangulated parts. The...

Mesh BRep Shapes eryar@163.com     Abstract. 当对OpenCASCADE的BRep表示法的数据结构有了一定的理解后，建议可以自己实现一个显示数据生成的功能，即网格剖分功能。 Key Words. BR...

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 ...

解析几何求交之圆与二次曲面 eryar@163.com   Abstract. OpenCASCADE provides the analytic intersection between a conic and a quadric in the package IntAna. Key Words. Analytic ge...