nodes not working in launch file

edit

Hello guys, I have the problem that some nodes are not working from launch file. Specifically the tf static_transform_publisher and also the rosbag record. I do not get any error but they are not working in the launch file. When i run them in terminal using rosrun they work perfectly!

any solution or suggestion for this problem?

one the launch files is:

<launch>
  <master auto="start"/>
  <param name="/use_sim_time" value="true"/>

  <node name="play" pkg="rosbag" type="play" args="-r 0.99 /home/mypack/vicon3_2014-12-26-17-33-16.bag"/>
  <node pkg="tf" type="static_transform_publisher" 
         name="odom_to_world" args="4.53429770054 2.62724045772 0.568230440739 0.0554815495188 0.998340882582 -0.0146944327274 -0.00462098201913  world laser  100" />

  <node name="vicon2pos" pkg="mypack" type="vicon2pos" args="/Pioneer /Table1" output="screen"/>
  <node name="vicon2pos2" pkg="mypack" type="v2pos" args="/Pioneer /Table1" output="screen"/>
  <!-- Run the rivz -->
  <node name="rviz" pkg="rviz" type="rviz" args="-d /home/mypack/vicon.vcg" />


</launch>

The static_transform_publisher, vicon2pos and v2pos are not working properly in the launch file. Actually, the transform_publisher is not publishing anything and the other two nodes are not even subscribe to topics played in rosbag. Running command lines in terminals, all are working properly!!!