pr2_laser_snapshotter/BuildCloudAngle Service

float64 angle_begin
float64 angle_end
float64 duration

---

sensor_msgs/PointCloud cloud
    Header header
        uint32 seq
        time stamp
        string frame_id
    geometry_msgs/Point32[] points
        float32 x
        float32 y
        float32 z
    sensor_msgs/ChannelFloat32[] channels
        string name
        float32[] values