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CesiumJS – 3D Tiles BIM
CesiumJS - 3D Tiles BIM eryar@163.com 1. Introduction CesiumJS is an open-source JavaScript library for world-class 3D globes and maps. 从其官网上可以看到这个库的愿景:提供世...
OpenCASCADE Face Normals
OpenCASCADE Face Normals eryar@163.com Abstract. 要显示一个逼真的三维模型,其顶点坐标、顶点法向、纹理坐标这三个信息必不可少。本文主要介绍如何在OpenCASCADE的Draw中显示出曲面...
[转]GLTF-3D图形界的JPEG
GLTF简介 1.glTF(GL TransmissionFormat),即图形语言交换格式,它是一种3D内容的格式标准,由Khronos Group管理(Khronos Group还管理着OpenGL系列、OpenCL等重要的行业标准); 2.glTF的设计...
Installing Node.js and Express on Ubuntu
Installing Node.js and Express on Ubuntu 1. 在nodejs官网上下载Linux Binaries(已经包含了npm):2. 安装Node.js下载后解压,并在解压的文件夹中启动Terminal后,输入命令:  ...
OpenCASCADE动画功能2
OpenCASCADE动画功能2 eryar@163.com OpenCASCADE是一个开发平台,主要提供三维曲面和实体建模、CAD数据交换及可视化等功能。OCCT最适用于开发三维建模CAD软件、加工制造或测量(CAM)软...
OpenCASCADE Customize Highlighting
OpenCASCADE Customize Highlighting eryar@163.com The traditional way of highlighting selected entity owners adopted by Open CASCADE Technology assumes that each entity owner...
PBR in OCCT 3D Viewer
Forthcoming OCCT 7.5.0 release extends its real-time rendering engine with a PBR (physically-based rendering) mode. OCCT implements PBR metal-roughness material workflow described ...
OpenCascade Shape Representation in OpenSceneGraph
OpenCascade Shape Representation in OpenSceneGraph eryar@163.com 摘要Abstract:本文通过程序实例,将OpenCascade中的拓朴数据(边、面)离散化后在OpenSceneGraph中进行显示。有了这些离散...
Hello Netgen
Hello Netgen eryar@163.com 摘要Abstract:本文主要介绍如何对下载的Netgen源码进行编译生成Netgen程序和程序开发所需要的库nglib。 关键字Key Words:Netgen, nglib, Mesh Generator, OpenCas...
Netgen mesh library : nglib
Netgen mesh library : nglib eryar@163.com 摘要Abstract:本文主是对Netgen的库nglib的用法进行介绍。主要参考资料是Netgen用户指南。最后给出一个具体程序实例。 关键字Key Words:Net...
Construction of Primitives in Open Cascade
Construction of Primitives in Open Cascade eryar@163.com 一、创建基本图元 Making Primitives 将用到如下的类创建基本图元,包括长方体(Box)、楔形体(Wedge)、旋转体(Revol)等。这些类提供S...
OpenCascade Modeling Algorithms Boolean Operations
Modeling Algorithms Boolean Operations of Opencascade eryar@163.com 布尔操作(Boolean Operations)是通过两个形状(S1,S2)的组合来生成新的形状。布尔操作有如下几种类型: u 并...