OpenCASCADE Coordinate Transforms eryar@163.com Abstract. The purpose of the OpenGL graphics processing pipeline is to convert 3D descriptions of objects into a 2D image that can be displayed. In many ways, this process is similar to using a camera t…

OpenCASCADE Camera eryar@163.com Abstract. OpenCASCADE introduce a new class Graphic3d_Camera for the Visualization module. The camera class provides object-oriented approach to setting up projection and orientation properties of 3D view. The paper u…

https://developer.apple.com/library/content/documentation/GraphicsImaging/Conceptual/CoreImaging/ci_tasks/ci_tasks.html#//apple_ref/doc/uid/TP30001185-CH3-TPXREF101 Processing images means applying filters-an image filter is a piece of software that…

ROS机器人程序设计(原书第2版)补充资料 (拾) 第十章 使用MoveIt! 书中,大部分出现hydro的地方,直接替换为indigo或jade或kinetic,即可在对应版本中使用. MoveIt!是进行机器人运动规划的一套工具.具体使用说明,推荐参考官网: ROSwiki国内镜像:http://ros.exbot.net/wiki/ MoveIt!:http://moveit.ros.org/ 安装教程:http://moveit.ros.org/install/ 教程(indigo):h…

一.节点中使用(cpp,python) 1. ros wiki 提供的tutorials 2. https://blog.csdn.net/start_from_scratch/article/details/50762293/ 重点理解 tf广播 和 tf监听 方法! 二.命令行使用 tf_monitor:  monitors transforms between frames. 可以查看参考坐标系之间的转换关系和发布频率 rosrun tf tf_monitor rosrun tf tf_m…

Graphics and Skia Chrome uses Skia for nearly all graphics operations, including text rendering. GDI is for the most part only used for native theme rendering; new code should use Skia.   Also see the section RenderText and Chrome UI text drawing for…

Matlab geom3d函数解析 geom3d函数库 geom3d库的目的是处理和可视化三维几何原语,如点.线.平面.多面体等.它提供了操作三维几何原语的底层功能,使得开发更复杂的几何算法变得更加容易. | 序号 | 函数名 | 作用 | 输入 | 输出 | | --- | --- | --- | --- | --- | | 1 | area = triangleArea3d(pt1, pt2, pt3) | 获取三角形面积 | 三个点坐标 [10 10 10], [30 10 10], [1…

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 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 represented precisely using polynomials, e.g., circles, ellipses, hyperbo…

Mesh Data Structure in OpenCascade eryar@163.com 摘要Abstract:本文对网格数据结构作简要介绍,并结合使用OpenCascade中的数据结构,将网格数据在OpenSceneGraph中可视化. 关键字KeyWords:OpenCascade.OpenSceneGraph.Triangulation.Mesh Data Structure 一.引言 Introduction 三角网格就是全部由三角形组成的多边形网格.多边形和三角网格在图形学和建…