this is a very inacceruate odom, which have noise accumulate on pose x,y
modified from p3d base controller
red trajory is odom, green one is ground truth
<gazebo>
<plugin name="libgazebo_odom" filename="libgazebo_odom.so">
<robotNamespace>/prius</robotNamespace>
<bodyName>base_link</bodyName>
<topicName>base_pose_odom</topicName>
<frameName>map</frameName>
<updateRate>100.0</updateRate>
<gaussianNoise>0.05</gaussianNoise>
<gaussianBias>0.05</gaussianBias>
</plugin>
</gazebo>