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Hi,Ros User, I am ROS beginner, now I want to convert pointcloud to laserscan,the pointclouds recived by Kinect . I refer to the web page :http://wiki.ros.org/pointcloud_to_laserscan ,but I don't know how to build my program ? Can you help me ?

Hi,Ros User, I am ROS beginner, now I want to convert pointcloud to laserscan,the pointclouds recived by Kinect . I refer to the web page :http://wiki.ros.org/pointcloud_to_laserscan ,but I don't know how to build my program ? Can you help me ?

I launched openni.launch file and using: rosrun pointcloud_to_laserscan pointcloud_to_laserscan_node pointcloud:=/camera/depth_registered/points ,and rosrun rviz rviz ,but when I subscribe to /scan topic, I don't get anythings. Do you know why ?

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