ChenJinluo's profile - activity

Oh, I was stupid. Thank you very much!~

Ubuntu: 12.04

ROS: Hydro

I am learning to set the level of logging message, however, I find that my .config doesn't work.

This is my source code in example1.cpp:

#include <ros/ros.h>
int main( int argc, char **argv )
{
  ros::init( argc, argv, "example1" );
  //ROS_DEBUG( "This is a DEBUG message!" );   
 ROS_INFO("This is an INFO message!");
 ROS_WARN("This is a WARN message!");
 ROS_ERROR("This is an ERROR message!");
 ROS_FATAL("This is a FATAL message!");

 ros::spinOnce();
 return EXIT_SUCCESS;
}

chapter3_tutorials.config:

log4j.logger.ros.chapter3_tutorials.config=ERROR

example1.launch :

<?xml version="1.0" encoding="UTF-8"?>
<launch>
  <!-- Logger config -->
  <env name="ROSCONSOLE_CONFIG_FILE"
       value="$(find chapter3_tutorials)/config/chapter3_tutorials.config"/>

  <!-- Example 1 -->
  <node pkg="chapter3_tutorials" type="example1" name="example1"
        output="screen"/>
</launch>

After I roslaunch the code, it should print only logging message ERROR and FATAL, But the INFO and WARN also are printed.

How to solve it? Thank you~

Thank you very much! I should search it in Wiki first~

Ubuntu: 12.04

ROS: Hydro

Hey, everyone~ I am a freshman to ROS.

The problem occurred when I want to catkin_make only one package in the my workspace.

There are 2 packages, chapter2_tutorials and dynamic_tutorials in my workspace.

I want to catkin_make one of my packages,

after I run catkin_make chapter2_tutorials , The terminal shows:

+++ processing catkin package: 'chapter2_tutorials'
+++ processing catkin package: 'dynamic_tutorials'

I think it obviously shows that it catkin_make both of the packages.

So what should I do to make it? Thank you~

Thanks a lot ! The procedure in ROS Wiki confused me. I should catkin_make first to generate the xx.Config.h file, then add_dependencies(example_node ${PROJECT_NAME}_gencfg) to make my .cpp file. Then it works. Thanks very much~

Ubuntu: 12.04

ROS: Hydro

I learn to write .cfg file according to WiKilink text

After I finished it and ran catkin_make, error occurred.

 add_dependencies Adding dependency to non-existent target: example_node

How can I solve it ? Thank you ~

It works! Thanks a lot ^ ^

my package. [rospack] Error: stack/package chapter2_tutorials not found

Thanks. But it doesn't help. In the end of my ~./bashrc, I already have export ROS_PACKAGE_PATH=~/dev/catkin_ws:/home/exbot/rosbuild_ws/sandbox:/home/exbot/catkin_ws/src:/opt/ros/hydro/share:/opt/ros/hydro/stacks If I add source /opt/ros/hydro/setup.bash in the end. It even can't find

Ubuntu 12.04

ROS Hydro

I am a freshman to ROS, recently I create nodes according to the book ‘Learning ROS for Robotics Programing Second Edition’,

but after I execute ‘rosrun’, something strange happend:

rosrun chapter2_tutorials chap2_example1_a

It shows that:

[rosrun] Couldn't find executable named chap2_example1_a below /home/exbot/dev/catkin_ws/src/chapter2_tutorials

Actually, the executable chap2_example1_a exists in /home/dev/catkin_ws/devel/lib

I think something is wrong with the path. But I am not sure.

How to solve it? Thank you~