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Point cloud data appear in free space in stage_ros simulation

Hi everyone, I am trying to simulate world model via stage_ros package. However, I found that there are simulated point cloud appearing in the free space, as shown in the figure below. I found that ...
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how gmapping gather odom data?

Hi I am using stage_ros to simulation slam. The Gmapping works but I noticed that stage_ros is publishing "nav_msgs/Odometry" information under the topic /odom. While the gammping node is ...
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nav2d stage to gridmap transformation

Hi, I'm using nav2d in ros kinetic. The configuration is the one of tutorial3.launch. During the navigation I printed the start and goal coordinates used by the ...
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