SceneKit shader modifier: accessing coordinate and colouring the geometry Source: ios – Accessing z-coordinate in world space in shader modifier SceneKit – Stack Overflow
It works! Start a new terminal, follow the official demo tutorial to run it. Source: hector_quadrotor编译总结 | ubuntu 16.04 ros-kinetic版本 – 昔风不起，唯有努力生存！ – CSDN博客
I installed the kinetic following the Debian instructions. I found the hector_quadrotor indoor slam tutorial here: http://wiki.ros.org/hector_quadrotor/… I tried installing ros-hydro-hector-quadrotor-demo, but that package was not found. I tried following the wstool instructions, however when I ran catkin_make I got the output listed below (I’m not sure how to make it more concise): [ 0%] … [Read more…]
This collection of packages aims to provide robust, laser-based, indoor navigation capabilities for a turtlebot mobile robot platform. robust_navigation: Provides launch files and configuration files for navigation packages robust_controller: Provides actionlib-based controller with the same interface and move_base, but with more robust recovery options map_labelling: Provides services for semantic labeling of locations hector_navigation: A subset … [Read more…]
John Cage pointed out they’re different processes. Doing one will interfere with the other. Source: Don’t try to create and analyze at the same time | Seth’s Blog
To explain my personal infrastructure, I first have to say a bit about my daily life. Something that often surprises people is that for 28 years I’ve been a remote CEO. I’m about as hands-on a CEO as they come. But I’m only physically “in the office” a few times a year. Mostly I’m just … [Read more…]
上周刚刚给px4折腾了个直升机模式。现在可以自豪的宣称，天上飞的固定翼，多旋翼，直升机的控制我都写过了。倒是大约是稍稍有点资格回答一下这个问题了。（先挖坑） Source: 为什么四轴飞行器火了，而直升机没有？ – 知乎
“It is a truth universally acknowledged, that a person in possession of little fortune, must be in want of more social capital.” Source: Status as a Service (StaaS) — Remains of the Day