几何造型器

几何造型系统是指能够定义、描述、生成几何模型,并能够进行交互编辑处理的系统称为几何造型系统。采用几何造型技术,可以将物体的形状及其各种属性存储在计算机内,形成该物体的几何模型。这样的几何模型是对原物体确切的数学表达,或对其某种状态的真实模拟。
OpenCascade MeshVS Usage-卡核

OpenCascade MeshVS Usage

OpenCascade MeshVS Usage eryar@163.com Abstract. MeshVS means Mesh Visualization Service. It can be used to representation mesh in different style, such as colored stress patterns ...
Surface Normal Averaging-卡核

Surface Normal Averaging

Surface Normal Averaging eryar@163.com 摘要Abstract:正确设置网格面上点的法向,对几何体在光照等情况下显示得更真实,这样就可以减少顶点数量,提高渲染速度。本文通过将OpenCascade中的形...
Surface Normal Vector in OpenCascade-卡核

Surface Normal Vector in OpenCascade

Surface Normal Vector in OpenCascade eryar@163.com 摘要Abstract:表面上某一点的法向量(Normal Vector)指的是在该点处与表面垂直的方向。对于平面,其上各点的法向是一样的,统一为这个平...
OpenCascade Ray Tracing Rendering-卡核

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。  ...
Implementation Model Editor of AVEVA in OpenSceneGraph-卡核

Implementation Model Editor of AVEVA in OpenSceneGraph

Implementation Model Editor of AVEVA in OpenSceneGraph eryar@163.com 摘要Abstract:本文主要对工厂和海工设计软件AVEVA的交互方式进行详细介绍,对OpenSceneGraph中的人机交互工具拖拽器进...
Representation Data in OpenCascade BRep-卡核

Representation Data in OpenCascade BRep

Representation Data in OpenCascade BRep eryar@163.com 摘要Abstract:现在的显示器大多数是光栅显示器,即可以看做一个像素的矩阵。在光栅显示器上显示的任何图形,实际上都是一些具有一种或...
OpenCASCADE STEP Color-卡核

OpenCASCADE STEP Color

OpenCASCADE STEP Color eryar@163.com   Abstract. STEP AP214的STEP中是带有颜色信息的,OCCT可以读取其中的颜色信息。本文介绍一种比官方XCAFDoc_ColorTool更方便的获取方法。 Key Word...
AVEVA PDMS to DIALux-卡核

AVEVA PDMS to DIALux

AVEVA PDMS to DIALux eryar@163.com   Abstract. DIAL develops DIALux - the world\'s leading software for planning, calculation and visualisation of indoor and outdoor lighting....
OpenCASCADE Extended Data Exchange - XDE-卡核

OpenCASCADE Extended Data Exchange – XDE

OpenCASCADE Extended Data Exchange - XDE eryar@163.com Abstract. OpenCASCADE Data Exchange allows developing OCCT-Based applications that can interact with other CAD systems by wri...
AVEVA PDMS Text Tool-卡核

AVEVA PDMS Text Tool

AVEVA PDMS Text Tool eryar@163.com 网上有个文字工具插件,可以在PDMS中创建三维的字母、数字,不过不能创建中文。所以开发一个小工具,可以在PDMS中创建任意文字,如下图所示:
AVEVA PDMS to 3ds Max - RvmTranslator6.0beta-卡核

AVEVA PDMS to 3ds Max – RvmTranslator6.0beta

AVEVA PDMS to 3ds Max - RvmTranslator6.0beta eryar@163.com RvmTranslato6.0 translate PDMS RVM to 3ds Max by MAXScript. The MAXScipt is like the PML of PDMS. MAXScript can be used a...
Convert BSpline Curve to Arc Spline in OpenCASCADE-卡核

Convert BSpline Curve to Arc Spline in OpenCASCADE

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 i...