Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example:  " The first procedure is to create a world file and save it with the .world file extension."

A block of code is set as follows:

<xacro:include filename=”$(find
 chefbot_description)/urdf/chefbot_gazebo.urdf.xacro”/>
 <xacro:include filename=”$(find
 chefbot_description)/urdf/chefbot_properties.urdf.xacro”/>

Any command-line input or output is written as follows:

$ roslaunch chefbot_gazebo chefbot_empty_world.launch

Warnings or important notes appear like this.

Tips and tricks appear like this.