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Results tagged with ros
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user 38442
ROS (Robot Operating System) is a free, open-source robot software framework initially developed by Willow Garage. And now under the maintenance of Open Robotics.
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1
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Octomap and Projected Octomap not lining up
I am trying to use a projected Octomap as an occupancy grid to pass onto the ROS navigation stack, but when I create one using the octomap_server package, it creates an occupancy grid which is rotated …
- 23
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Navigation stack costmaps and explore_lite not working
After some testing, I believe that explore_lite isn't working because of the robot's positions being marked as obstacles (the first question I had). This made it so that explore_lite thought the robot …
- 23
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2
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45
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Extract color from Octomap
is there any way to get the color of each voxel in an Octomap as it is being built in real-time? The package I am looking at, https://github.com/floatlazer/semantic_slam, is a semantic SLAM package wh …
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Accepted
Extract color from Octomap
I almost forgot to answer my own question, but here is what I found works. The comments should be helpful in telling what each line does
// use Octomap iterator to find colors, first deserialize
oct …
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1
answer
47
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ROS 2D costmap layer to avoid certain areas
I see that the ROS wiki says, "For example, if a user wants to express that a robot should attempt to avoid a particular area of a building, they may inset their own costs into the costmap for that region …
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answer
67
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Robot and its previous positions are counted as obstacles
I am trying to use a SLAM package along with the ROS navigation stack and a package called explore_lite, which automatically directs the robot towards unexplored areas. …
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answer
101
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Navigation stack costmaps and explore_lite not working
I am currently trying to use explore_lite with the navigation stack, but I am running into some issues. First of all, the navigation stack seems to be identifying the robot itself as an obstacle in th …
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Unable to use custom message from another ROS package
I have been trying to use a custom message called sPoses from one package (jackal_2dnav) in another (explore) in the same ROS workspace, but I have been unable to get it to work. … Call Stack (most recent call first):
/opt/ros/noetic/share/catkin/cmake/catkinConfig.cmake:76 (find_package)
CMakeLists.txt:5 (find_package)
I've tried the fixes I've seen in similar questions, but …
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Accepted
Unable to use custom message from another ROS package
I was able to figure out the issue- like some answers I saw online have said, I needed to uncomment "LIBRARIES ${PROJECT_NAME}" under catkin_package() as I was not actually adding a library named jack …
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