instance_stixels.launch

<?xml version="1.0" encoding="UTF-8"?>
<launch>
    <!-- Ideally check whether param has been set already, otherwise set to default. -->
    <arg name="camera_id" default=""/>
    <arg name="onnxfilename" default=""/>
    <group if="$(eval onnxfilename != '')">
        <param name="$(arg camera_id)/instance_stixels/onnxfile" value="$(arg onnxfilename)"/>
    </group>

    <group if="$(eval camera_id == '')">
        <node name="instance_stixels" pkg="instance_stixels" type="instance_stixels" required="true" output="screen"/>
        <node name="instance_stixels_visualization" pkg="instance_stixels" type="ros_stixel_visualization" required="true" output="screen"/>
    </group>
    <group if="$(eval camera_id != '')">
        <node name="instance_stixels" pkg="instance_stixels" type="instance_stixels" required="true" ns="$(arg camera_id)" output="screen"/>
        <node name="instance_stixels_visualization" pkg="instance_stixels" type="ros_stixel_visualization" required="true" ns="$(arg camera_id)" output="screen"/>
    </group>
</launch>