question about create map for navigation

Posted by polarbear on
URL: http://official-rtab-map-forum.206.s1.nabble.com/question-about-create-map-for-navigation-tp2717.html

Hi,
I wonder to use RTAB-Map in room with camera.
But when it created room`s map by making  3D point cloud  to 2D map,the ceiling and lamps become obstacles in map too.
Is there some parameter i can set in RTAB-Map to chose the height i want,and ignore the parts of point cloud higher than it?
other question is if i want to use 3D map that created by octomap for self-made mobile car`s navigation,what navigation package in ROS is suitable for this kind of map?
Thank you very much!