排序
曲面构造-蒙皮曲面
蒙面Skinning就是将一簇截面曲线融合在一起生成曲面的过程,截面曲线可以是三维曲线。截面曲线的参数方向为u方向,融合的方向是v方向。蒙面Skinned Surface只是放样(lofting)的新叫法,后者可以...
Geometry Surface of OpenCascade BRep
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...
Tcl Tk Introduction
Tcl Tk Introduction eryar@163.com 摘要Abstract:Tcl/Tck脚本可以很容易实现用户自定义的命令,方便的创建图形化的用户界面GUI,所以Tcl和Tk的应用领域几乎覆盖了图形和工程应用的全部范围,...
Create New Commands in Tcl
Create New Commands in Tcl eryar@163.com 摘要Abstract:Tcl/Tk脚本可以很容易实现用户自定义的命令,方便的创建图形化的用户界面GUI,所以Tcl和Tk的应用领域几乎覆盖了图形和工程应用的全部...
OpenCascade Ray Tracing Rendering
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
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
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
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
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
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
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
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,...