FreeType in OpenCASCADE eryar@163.com Abstract. FreeType is required for text display in the 3D viewer. FreeType is a software font engine that is designed to be small, efficient, highly customizable, and portable while capable of producing high-qual…

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 result the text can be rotated and zoomed without quality loss. FreeType al…

Building third-party products of OpenCascade eryar@163.com Available distributives of third-party products OpenCascade中用到了几个第三方库,其中tcl/tk和freetype是必须的,gl2ps, freeimage, tbb是可选的,可以通过配置custom.bat来进行选择.并不是第三方库需要重新编译. 当OpenCascade编译时报了缺少第三方库的头文件时,这是因为第三方…

Building OpenCascade on Windows with Visual Studio eryar@163.com 摘要Abstract:详细说明OpenCascade的编译配置过程,希望对你编译OpenCascacde有所帮助.本文内容来自OCCT的Overview文档,详细信息可参考之. 关键字Key Words:OpenCascade.Compiling 一.源码包 Source package OpenCascade的源码包中包括OpenCascade的源代码.示例程序源代…

OpenCASCADE的编译 The Installation and Compilation of OpenCASCADE eryar@163.com 一. 安装OpenCASCADE 可以从OpenCASCADE的官网上下载其安装包,可以选择最新的版本,下载网址为: http://www.opencascade.org/getocc/download/loadocc/ .如果只用其库来编程已经够了,安装好下载的安装包即可.若想对其进行调试,必须先把它编译成功.想编译通过,必须下载第三方库,因…

OpenCASCADE AIS Manipulator eryar@163.com Abstract. OpenCASCADE7.1.0 introduces new built-in interactive object AIS_Manipulator providing interface for moving objects within 3D viewer. The class features three kinds of transformation modes for attach…

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 is most useful in numerical control to drive the cutter along straight line…

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 composition of elementary coordinate systems, each one is called a Datum. The…

OpenCASCADE BRep Projection eryar@163.com 一网友发邮件问我下图所示的效果如何在OpenCASCADE中实现,我的想法是先构造出螺旋线,再将螺旋线投影到面上. 为了验证我的想法,结合原来螺旋线的造型算法,来测试下这种效果的实现.依然采用Tcl脚本在Draw Test Harness中试验.个人觉得高效使用OpenCASCADE的方法应该也是先用Tcl脚本来验证一些想法后,再根据使用到的命令找到OpenCASCADE中DRAW的命令实现,最后再可以根据DRA…

OpenCASCADE Expression Interpreter by Flex & Bison eryar@163.com Abstract. OpenCASCADE provide data structure of any expression, relation or function used in mathematics. Flex and Bison are tools for building programs that handle structured input. Th…