Update README.md

Author: wumanu

README.md

@@ -68,6 +68,28 @@ cd ..
 catkin_make -DCMAKE_BUILD_TYPE=Release -DDBOT_BUILD_GPU=On
 source devel/setup.bash
 ```
+Now you can run the example. 
+```bash
+roscd dbot_example/launch
+bash move_pose_cache.sh 
+roslaunch dbot_example start_rviz.launch 
+roslaunch dbot_example particle_tracker_gpu.launch
+```
+or if you did not install cude you launch instead
+```bash
+roscd dbot_example/launch
+bash move_pose_cache.sh 
+roslaunch dbot_example start_rviz.launch 
+roslaunch dbot_example particle_tracker_cpu.launch
+```
+now, as soon as you launch the bagfile with the next command, an interactive marker should show up in rviz. this is for initialization of the tracker, you can move it to align it with the point cloud, but it should already be approximately aligned. once you are done, you can click on the object and the tracker should start. you should do so before the object is being moved in the bagfile.
+```bash
+roslaunch dbot_example play_bagfile.launch
+```
+
+
+
+
 
 ### Addition documentation
 
@@ -102,7 +124,7 @@ cd ..
 catkin_make -DCMAKE_BUILD_TYPE=Release -DDBOT_BUILD_GPU=On
 source devel/setup.bash
 ```
-and re-compile. Once compile you can run the robot tracker along with the 
+Once compile you can run the robot tracker along with the 
 recorded sensory data:
 
 ```bash