Change Rviz's View Types in launch file?
i used Rviz in launch file like :
<node pkg="rviz" type="rviz" name="rviz" args="-d $(find hector_slam_launch)/rviz_cfg/mapping_demo.vcg"/>
but i wanna change "TopDownOrtho" view to "XYorbit" view in launch file. how can I?