Opennurbs Opencascade 性能分析 测试代码测试结果 测试代码 测试了 NurbsCurve 的 基础API : D0点 D1一阶导 D2二阶导 高级API可以看成是 基础 API的组合。 最近距离/反求参数 ： 用到了 ...

对比opencascade 和opennurbs NurbsSurface计算效率： 构造Nurbs球面，测试耗时： opencascade 程序执行时间 ：22172.6ms opennurbs 程序执行时间 ：11970.9ms o...

Opencascade拓扑-几何介绍 本文主要介绍TopoDS_Shape的Orientation属性： Opencascade拓扑-几何介绍 de 第三四五节里会看到： Edge orientation Face orientation More on location...

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 Ray Tracing Rendering eryar@163.com 摘要Abstract：OpenCascade6.7.0中引入了光线跟踪算法的实现。使用光线跟踪算法可实现高质量的渲染效果，且可以使用GPU提升渲染效率。  ...

OpenCascade Tcl vs. ACIS Scheme eryar@163.com 摘要Abstract：本文通过OpenCascade的Tcl/Tk和ACIS的Scheme的对比来说明脚本语言在程序中的重要作用。及通过在Tcl中实现自定义的命令来理解Draw...

OpenCascade Draw Test Harness eryar@163.com Abstract. Draw is a command interpreter based on Tcl/Tk and a graphical system used to test and demonstrate OpenCascade modeling librari...

OpenCascade Chinese Text Rendering eryar@163.com Abstract. OpenCascade uses advanced text rendering powered by FTGL library. The FreeType provides vector text rendering, as a resul...

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 Color Scale eryar@163.com Abstract. The color scale is a specialized label object that displays a color map and an accompanying numerical scale for color mapped or cont...

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 DataExchange DWG eryar@163.com Abstract. DWG is a file format created in the 70’s for the emerging CAD applications. Currently it is the native file format of AutoCAD,...