changed launch file

Author: tenny-yinyijun

stretch_core/launch/stretch_driver.launch

@@ -9,7 +9,7 @@
       type="joint_state_publisher" >
     <param name="rate" value="30.0"/>
     <rosparam param="source_list">
-      [/stretch/joint_states]
+      [stretch_defaultname/joint_states]
     </rosparam>
   </node>
 
@@ -36,11 +36,13 @@
   <node name="stretch_driver" pkg="stretch_core" type="stretch_driver" output="screen">
     <param name="rate" type="double" value="30.0"/>
     <param name="timeout" type="double" value="0.5"/>
-    <remap from="cmd_vel" to="/stretch/cmd_vel" />
-    <remap from="joint_states" to="/stretch/joint_states" />
+    <remap from="cmd_vel" to="/stretch_defaultname/cmd_vel" />
+    <remap from="joint_states" to="/stretch_defaultname/joint_states" />
     <param name="controller_calibration_file" type="string" value="$(arg calibrated_controller_yaml_file)"/>
   </node>
 
+  <!-- Note: stretch_defaultname is the same name used in intializing HelloNode -->
+
   <!--
   <node name="aggregator_node" pkg="diagnostic_aggregator" type="aggregator_node">
     <rosparam command="load" file="$(find stretch_core)/config/diagnostics.yaml" />