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OpenCASCADE Visualization Performance

OpenCASCADE Visualization Performance eryar@163.com   1 Introduction OpenCASCADE的显示模块的功能性能如何,很多人都很关心。开源社区的FreeCAD目前的显示功能都没有使用OpenCASCADE的显示模块。早在2014年时,我在社区论坛提出过显示模块交互选择的性能问题:...

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PipeCAD ISO Weld Options

PipeCAD ISO Weld Options eryar@163.com Key Words. PipeCAD, 三维管道设计软件,三维工厂设计软件,三维配管软件 1 概述...

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PipeCAD ISO 连接信息

PipeCAD ISO 连接信息 eryar@163.com Key Words. PipeCAD, IsoAlgo, 三维管道设计软件,三维工厂设计软件,三维配管软件 1 概述 管道的起点、终点及一些连接点处需要在在ISO图上显示出连接信息,对于封头CAP等给出坐标信息。ISO轴测图上标示的端部连接信息如下表所示: 不同的连接类型输出到ISO图上有不同的文字描述。 2 连接设备...

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McCad - BRep to CSG

McCad - BRep to CSG...

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OpenCASCADE-曲面求交

OpenCASCADE-曲面求交 eryar@163.com Abstract:...

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PlaneGCS-平面几何约束求解器用法

PlaneGCS-平面几何约束求解器用法 eryar@163.com 1 Introduction 在传统的机械设计软件中,一般使用几何约束求解器来画草图,再通过对草图进行拉伸旋转等生成特征实现建模功能。基于参数化历史特征方式来建模的软件绕不开几何约束求解器,目前主流商用软件一般使用西门子D-Cubed DCM及达索的CGM。开源世界也有两款几何约束求解器:SolveSpace和PlaneGCS。...

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PDMS三维文字工具免费发放

PDMS三维文字工具免费发放 eryar@163.com   原来把三维文字工具集成到PipeCAD中,可以在PipeCAD免费使用。后面一直有人想在PDMS中直接使用三维文字工具,现在将PDMS中生成三维文字工具也放出来供大家免费使用。 在PDMS中输入命令: pml rehash all show !!PdmsText...

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PipeCAD ISO 材料表定制

PipeCAD ISO 材料表定制 eryar@163.com Key Words. PipeCAD, IsoAlgo, 三维管道设计软件,三维工厂设计软件,三维配管软件 1 概述...

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PipeCAD ISO 螺栓

PipeCAD ISO 螺栓 eryar@163.com Key Words. PipeCAD, IsoAlgo, 三维管道设计软件,三维工厂设计软件,三维配管软件 1 概述...

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PipeCAD ISO Messages

PipeCAD ISO Messages eryar@163.com Abstract. PipeCAD IsoAlgo supports several message enclosure box types that can be positioned on the isometric drawing. Each type has a unique attribute identifier....

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PipeCAD ISO Pipe Supports

PipeCAD ISO Pipe Supports eryar@163.com Abstract. A pipe  support such as a hanger or a guide is represented in the PCF as a component with a single coordinate. Although the support is not regarded as...

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OpenCASCADE曲面求交之网格离散法1

OpenCASCADE曲面求交之网格离散法1 eryar@163.com   1 Introduction...

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OpenCASCADE曲面求交之网格离散法2

OpenCASCADE曲面求交之网格离散法2 eryar@163.com 1 Introduction...

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OpenCASCADE曲面求交之网格离散法3

OpenCASCADE曲面求交之网格离散法3 eryar@163.com 1 Introduction...

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OpenCASCADE曲面求交之迭代法

OpenCASCADE曲面求交之迭代法 eryar@163.com 1 Introduction 朱心雄等著《自由曲线曲面造型技术》书中对曲面求交的迭代法有详细介绍,其中关于曲面迭代求交的原理介绍如下:为求得两个曲面精确的交点,Newton-Raphson迭代法得到广泛应用,该法的优点为...

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OpenCASCADE曲面求交之迭代法2

OpenCASCADE曲面求交之迭代法2 eryar@163.com 1 Introduction 朱心雄等著《自由曲线曲面造型技术》书中对曲面求交的迭代法有详细介绍,其中关于曲面迭代求交的原理介绍如下:为求得两个曲面精确的交点,Newton-Raphson迭代法得到广泛应用,该法的优点为...

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OpenCASCADE曲面求交之追踪法

OpenCASCADE曲面求交之追踪法 eryar@163.com 1 Introduction 朱心雄等著《自由曲线曲面造型技术》书中对曲面求交的追踪法(Marching method)有详细介绍,首先曲面求交追踪法的提出是1990年R.E. BARNHILL和S.N. KERSEY的一篇论文:A marching method for parametric surface/surface...

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Licensecc-C++ License Manager

Licensecc-C++ License Manager eryar@163.com   Licensecc: a C++ software license...

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PipeCAD ISO 图框及文字配置

PipeCAD ISO 图框及文字配置 eryar@163.com Abstract. PipeCAD IsoAlgo supports user to define backing frame instead of program standard drawing frame.  And can put pipeline attribute as positioned text in the...

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性能提升-空间二叉查找树

性能提升-空间二叉查找树 eryar@163.com Abstract.  OpenCASCADE provides NCollection_UBTree to achieve high performance search overlapped boxes. The algorithm of unbalanced binary tree of overlapped bounding boxes....

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