Hi Eunchul, <br><br>I expect you&#39;ll see /scan dangling if you check the All Topics box. <br><br>For a better view of what a node is doing I suggest &quot;rosnode info /amcl&quot; Also ROS APIs are documented on the wiki like this <a href="http://www.ros.org/wiki/amcl#Nodes">http://www.ros.org/wiki/amcl#Nodes</a><br>

<br>Tully<br><br><div class="gmail_quote">On Tue, Dec 21, 2010 at 6:19 PM, eunchul Jeon <span dir="ltr">&lt;<a href="mailto:jsharp83@gmail.com">jsharp83@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">

Hi, I&#39;m Eunchul Jeon In South Korea.<br><br>I want to use amcl package but, there is no subscription for laser scan<br>Attached file is a rxgraph capture image.<br><br>I received source file in following svn repository and compiled successfully.<br>


svn <a href="https://code.ros.org/svn/ros-pkg/stacks/navigation/trunk/amcl" target="_blank">https://code.ros.org/svn/ros-pkg/stacks/navigation/trunk/amcl</a><br><br clear="all">I appreciate in advance your help.<br><br>-- <br>

================================================<br>
Eunchul Jeon<br><br>M.S. Student, Intelligent Systems and Neurobotics lab,<br>Dept. Computer Science, KAIST<br>Science town, Daejeon, 305-701, South Korea<br>TEL: 82 42 350 3580<br>E-mail: <a href="mailto:jsharp@kaist.ac.kr" target="_blank">jsharp@kaist.ac.kr</a>, <a href="mailto:jsharp83@gmail.com" target="_blank">jsharp83@gmail.com</a><br>


Homepage: <a href="http://isnl.kaist.ac.kr" target="_blank">http://isnl.kaist.ac.kr</a><br>================================================<br>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Tully Foote<br>Systems Engineer<br>Willow Garage, Inc.<br><a href="mailto:tfoote@willowgarage.com">tfoote@willowgarage.com</a><br>(650) 475-2827<br>