UBUNTU12.04 kinect_laser.launch can't open laser
I have install openni_launch,openni_camera,openni_tracker on fuerte, roslaunch openni.launch success,i can rosrun image_view disparity_view image:=/camera/depth/disparity to see depth image; and also rosrun openni_tracker success; but when i roslaunch kinect_laser.launch following,can't open laser <launch> <include file="$(find openni_camera)/launch/openni_node.launch"/>
<node pkg="nodelet" type="nodelet" name="openni_manager" output="screen" respawn="true" args="manager"/>
<node pkg="nodelet" type="nodelet" name="kinect_laser" args="load pointcloud_to_laserscan/CloudToScan openni_camera"> <remap from="cloud" to="cloud_throttled"/> </node>
<node pkg="nodelet" type="nodelet" name="pointcloud_throttle" args="load pointcloud_to_laserscan/CloudThrottle openni_camera"> <remap from="cloud_in" to="/camera/depth/points"/> <remap from="cloud_out" to="cloud_throttled"/> </node> </launch>
i don't know why?