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Another problem is from another part of the tutorial Writing a tf broadcaster (C++).

It reads:

Before we get started, you need to create a new ros package for this project. In the sandbox folder, create a package called learning_tf that depends on tf, roscpp, rospy and turtlesim:

 $ roscd ros_pkg_tutorials
 $ roscreate-pkg learning_tf tf roscpp rospy turtle_teleop
 $ rosmake learning_tf

I typed roscd ros_pkg_tutorials. But it said no package found. Do I need to install this? I've found ros_pkg_tutorials is listed as a stack. I tried sudo apt-get install but it couldn't find ros_pkg_tutorials.

(BTW, I installed ROS cturtle as PR2: ROS plus PR2-specific stacks, including PR2 simulator ).

Another problem is from another part of the tutorial tf/tutorial Writing a tf broadcaster (C++).

It reads:

Before we get started, you need to create a new ros package for this project. In the sandbox folder, create a package called learning_tf that depends on tf, roscpp, rospy and turtlesim:

 $ roscd ros_pkg_tutorials
 $ roscreate-pkg learning_tf tf roscpp rospy turtle_teleop
 $ rosmake learning_tf

I typed roscd ros_pkg_tutorials. But it said no package found. Do I need to install this? I've found ros_pkg_tutorials is listed as a stack. I tried sudo apt-get install but it couldn't find ros_pkg_tutorials.

(BTW, I installed ROS cturtle as PR2: ROS plus PR2-specific stacks, including PR2 simulator ).

Another problem is from another part of the tf/tutorial Writing a tf broadcaster (C++).

It reads:

Before we get started, you need to create a new ros package for this project. In the sandbox folder, create a package called learning_tf that depends on tf, roscpp, rospy and turtlesim:

 $ roscd ros_pkg_tutorials
 $ roscreate-pkg learning_tf tf roscpp rospy turtle_teleop
 $ rosmake learning_tf

I typed roscd ros_pkg_tutorials. But it said no package found. Do I need to install this? I've found ros_pkg_tutorials is listed as a stack. I tried sudo apt-get install but it couldn't find ros_pkg_tutorials.

(BTW, I installed ROS cturtle as PR2: ROS plus PR2-specific stacks, including PR2 simulator ).

Note: Some new thoughts here: I'm guessing in the tutorial the "ros_pkg_tutorials" just means some working directory. I can use another name as I want. For instance, I create the folder ~/tutorials/workspace and append that to ROS_PACKAGE_PATH. Then I'll cd to that folder and create the "learning_tf" package. Is it correct?

Vincent