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 | 1 | initial version |
Are you sure you copy and pasted it correctly? The problem is that you're missing some of the tags. Turn this
<launch>
<!-- Turtlesim Node-->
<node pkg="turtlesim" type="turtlesim_node" name="sim"/>
<node pkg="turtlesim" type="turtle_teleop_key" name="teleop" output="screen"/>
<!-- Missing opening <node> -->
<param name="turtle" type="string" value="turtle1" />
</node>
<!-- Missing opening <node> -->
<param name="turtle" type="string" value="turtle2" />
</node>
</launch>
into this
<launch>
<!-- Turtlesim Node-->
<node pkg="turtlesim" type="turtlesim_node" name="sim"/>
<node pkg="turtlesim" type="turtle_teleop_key" name="teleop" output="screen"/>
<node name="turtle1_tf_broadcaster" pkg="learning_tf" type="turtle_tf_broadcaster.py" respawn="false" output="screen" >
<param name="turtle" type="string" value="turtle1" />
</node>
<node name="turtle2_tf_broadcaster" pkg="learning_tf" type="turtle_tf_broadcaster.py" respawn="false" output="screen" >
<param name="turtle" type="string" value="turtle2" />
</node>
</launch>
Notice how you're missing two
<node name="turtle1_tf_broadcaster" pkg="learning_tf" type="turtle_tf_broadcaster.py" respawn="false" output="screen" >
| | 2 | No.2 Revision |
Are you sure you copy and pasted it correctly? The problem is that you're missing some of the node tags. Turn this
<launch>
<!-- Turtlesim Node-->
<node pkg="turtlesim" type="turtlesim_node" name="sim"/>
<node pkg="turtlesim" type="turtle_teleop_key" name="teleop" output="screen"/>
<!-- Missing opening <node> -->
<param name="turtle" type="string" value="turtle1" />
</node>
<!-- Missing opening <node> -->
<param name="turtle" type="string" value="turtle2" />
</node>
</launch>
into this
<launch>
<!-- Turtlesim Node-->
<node pkg="turtlesim" type="turtlesim_node" name="sim"/>
<node pkg="turtlesim" type="turtle_teleop_key" name="teleop" output="screen"/>
<node name="turtle1_tf_broadcaster" pkg="learning_tf" type="turtle_tf_broadcaster.py" respawn="false" output="screen" >
<param name="turtle" type="string" value="turtle1" />
</node>
<node name="turtle2_tf_broadcaster" pkg="learning_tf" type="turtle_tf_broadcaster.py" respawn="false" output="screen" >
<param name="turtle" type="string" value="turtle2" />
</node>
</launch>
Notice how you're missing two
<node name="turtle1_tf_broadcaster" pkg="learning_tf" type="turtle_tf_broadcaster.py" respawn="false" output="screen" >
| | 3 | No.3 Revision |
Are you sure you copy and pasted it correctly? The problem is that you're missing some of the node tags. Turn this
<launch>
<!-- Turtlesim Node-->
<node pkg="turtlesim" type="turtlesim_node" name="sim"/>
<node pkg="turtlesim" type="turtle_teleop_key" name="teleop" output="screen"/>
<!-- Missing opening <node> -->
<param name="turtle" type="string" value="turtle1" />
</node>
<!-- Missing opening <node> -->
<param name="turtle" type="string" value="turtle2" />
</node>
</launch>
into this
<launch>
<!-- Turtlesim Node-->
<node pkg="turtlesim" type="turtlesim_node" name="sim"/>
<node pkg="turtlesim" type="turtle_teleop_key" name="teleop" output="screen"/>
<node name="turtle1_tf_broadcaster" pkg="learning_tf" type="turtle_tf_broadcaster.py" respawn="false" output="screen" >
<param name="turtle" type="string" value="turtle1" />
</node>
<node name="turtle2_tf_broadcaster" pkg="learning_tf" type="turtle_tf_broadcaster.py" respawn="false" output="screen" >
<param name="turtle" type="string" value="turtle2" />
</node>
</launch>
Notice how you're missing two
<node name="turtle1_tf_broadcaster" pkg="learning_tf" type="turtle_tf_broadcaster.py" respawn="false" output="screen" >
Edit:
To create a proper XML you need to have:
<node> and </node>, respectively), or<node/> note the / before the >)If you don't properly open and close tags then your file is not properly formatted and you'll get an error.
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