ROS进阶学习笔记(11)- Turtlebot Navigation and SLAM - 2 - MapModify地图修改 We can use gmapping model to generate the map file: **.pgm and **.amcl, the latter is just a refer to the **.pgm map file. Here I introduce how to use the image editor "" to modify…

(写在前面: 这里参考rbx书中第八章和ROS社区教程进行学习,先看社区教程) ===  Doing the Turtlebot Navigation   === ref ros wiki: http://wiki.ros.org/turtlebot_navigation/Tutorials 1. Create the Data under remote control Referring the RBX book(8.4.2 Collecting and Recording Scan Data…

用interactive_makers控制Turtlebot移动 interactive_makers 是Willow Garage公司开发的一个虚拟控制工具,可通过鼠标在虚拟环境中的操作,完成实际机器人运动的拖动运动控制. 参考: ref1:   http://wiki.ros.org/turtlebot_interactive_markers/Tutorials/UsingTurtlebotInteractiveMarkers (groovy version)    === rvizTuto…

Combine Subscriber and Publisher in Python, ROS This article will describe an example of Combining Subscriber and Publisher in Python in ROS programming. This is very useful in ROS development. We will also discuss briefly how to build and modify a c…

Communication with ROS through USART Serial Port We always need to communicate with ROS through serial port as we have many devices like sensors, touch-screen, actuators to be controlled through USART serial protocol. After some investigation, I foun…

中文译著已经出版,详情请参考:http://blog.csdn.net/ZhangRelay/article/category/6506865 moveit是书的最后一章,由于对机械臂完全不知,看不懂. Learning ROS forRobotics Programming Second Edition学习笔记(十)indigo Gazebo rviz slam navigation --$ roslaunchchapter9_tutorials chapter9_configuration_…

Ext.Net学习笔记11:Ext.Net GridPanel的用法 GridPanel是用来显示数据的表格,与ASP.NET中的GridView类似. GridPanel用法 直接看代码: <ext:GridPanel runat="server" ID="grid" ColumnLines="true" Width="500" Height="200"> <Store> <…

中文译著已经出版,详情请参考:http://blog.csdn.net/ZhangRelay/article/category/6506865 Learning ROS for Robotics Programming Second Edition学习笔记(三) indigo rplidar rviz slam 记录一下rplidar传感器在ROS(indigo)配置使用等. Indigo集成的rplidar基本功能驱动等. ×基本安装× 通过下面命令安装: --sudo apt-get ins…

目标:限定列的有效值,将一列的有效字段值约束在一个固定的集合中.类似于数据字典. 反模式:在列定义上指定可选值 1. 对某一列定义一个检查约束项,这个约束不允许往列中插入或者更新任何会导致约束失败的值:            create table Bugs(status varchar(20) check(status in('new','in progress','fixed'))). 2.使用域或者用户自定义类型(UDT)等方法.         3.使用触发器:编写一个触发器,当修改指…

golang学习笔记11   golang要用jetbrain的golang这个IDE工具开发才好  jetbrain家的全套ide都很好用,一定要dark背景风格才装B   从File-->setting 里面进去也可以设置风格和字体大小  注册的可以找个代理的 license 服务器 或者自己搭建一个 https://www.jetbrains.com/go/download window下也可以选择Visual Studio Code: Visual Studio Code - Code…