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2021-03-02 19:37:21 -0500 asked a question How to abort existing goals and get the feedback for new goals with ROS2 actions?

How to abort existing goals and get the feedback for new goals with ROS2 actions? When I added a feedback funciton to th

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2021-03-02 01:07:04 -0500 edited question BT Navigator returns success before controller server completes goal

BT Navigator returns success before controller server completes goal I tried to make my own version of waypoint follower

2021-03-02 00:34:36 -0500 edited question BT Navigator returns success before controller server completes goal

BT Navigator returns success before controller server completes goal I tried to make my own version of waypoint follower

2021-03-02 00:34:09 -0500 edited question BT Navigator returns success before controller server completes goal

BT Navigator returns success before controller server completes goal I tried to make my own version of waypoint follower

2021-03-02 00:32:08 -0500 asked a question BT Navigator returns success before controller server completes goal

BT Navigator returns success before controller server completes goal I tried to make my own version of waypoint follower

2021-01-30 22:58:08 -0500 answered a question What type of projects should use ROS2 ?

Please have a look at this blog post: https://blog.roverrobotics.com/ros-2-eloquent-is-it-time-to-switch/ It is an old

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2020-07-09 01:31:17 -0500 edited answer libros1_bridge.so Undefined reference for Time conversions

I have tried this before. But I used just time t for ROS1 message and builtin_interfaces/Time t for ROS2 message. ros1_b

2020-07-09 01:30:53 -0500 answered a question libros1_bridge.so Undefined reference for Time conversions

I have tried this before. But I used just time t for ROS1 message and builtin_interfaces/Time t for ROS2 message. ross1

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2020-06-10 23:04:51 -0500 asked a question Extracting data from ROS2 bag files

Extracting data from ROS2 bag files I am able to record ros2 bag data into sqlite3 database file. Is there a method or

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2020-05-11 02:54:56 -0500 commented answer Integrating RMF and Navigation Stack

Thank you for your response. We understand the idea behind traffic simulator. We will try to use the slot car plugin as

2020-05-11 02:52:21 -0500 marked best answer Integrating RMF and Navigation Stack

In the RMF Demos, the magni robot is using a “SlotCar gazebo plugin” which receives the path request from rmf-core and converts it into robot motion (through setting joint velocities). This path request (list of waypoints) is generated from the fleet adapter without considering a cost map.

The global path planner of the navigation stack, however, considers a cost map and gives a safe path to a single goal destination. I'm not sure how to integrate these two path planners. Is there a suggested method to integrate these two (as we feel it is a common challenge that many companies might face) ?

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2020-05-06 22:35:04 -0500 commented question Integrating RMF and Navigation Stack

@stevemacenski Thanks for your quick response. It's a good idea. I also understand your point about a planner with soft

2020-05-05 22:16:31 -0500 asked a question Integrating RMF and Navigation Stack

Integrating RMF and Navigation Stack In the RMF Demos, the magni robot is using a “SlotCar gazebo plugin” which receives

2020-04-28 01:50:37 -0500 commented question ROS2 rqt_tf_tree emits service not available, waiting again...

Facing the same issue.

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2020-04-16 18:09:44 -0500 marked best answer Unable to install rmf_demos package

I get this error below when i do colcon build with rmf_demos package:

Starting >>> rmf_task_msgs                  
Finished <<< rmf_workcell_msgs [1min 39s]   
Finished <<< building_map_msgs [1min 54s]    
Starting >>> building_map_tools
Starting >>> rmf_gazebo_plugins
Finished <<< building_map_tools [2.17s]      
Starting >>> rmf_demo_maps
Starting >>> test_maps
--- stderr: building_gazebo_plugins          
/home/ip3d/rmf_demos_ws/src/rmf/traffic_editor/building_gazebo_plugins/src/door.cpp:5:10: fatal error:     gazebo_ros/node.hpp: No such file or directory
 #include <gazebo_ros/node.hpp>
          ^~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/door.dir/src/door.cpp.o] Error 1
make[1]: *** [CMakeFiles/door.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
/home/ip3d/rmf_demos_ws/src/rmf/traffic_editor/building_gazebo_plugins/src/slotcar.cpp:5:10: fatal error:     gazebo_ros/node.hpp: No such file or directory
 #include <gazebo_ros/node.hpp>
          ^~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/slotcar.dir/src/slotcar.cpp.o] Error 1
make[1]: *** [CMakeFiles/slotcar.dir/all] Error 2
make: *** [all] Error 2
---
Failed   <<< building_gazebo_plugins    [ Exited with code 2 ]
Aborted  <<< test_maps                                 
Aborted  <<< rmf_traffic                               
Aborted  <<< rmf_gazebo_plugins                        
Aborted  <<< rmf_demo_maps                              
Aborted  <<< rmf_task_msgs                              
Aborted  <<< rmf_traffic_msgs               

Summary: 12 packages finished [2min 45s]
  1 package failed: building_gazebo_plugins
  6 packages aborted: rmf_demo_maps rmf_gazebo_plugins rmf_task_msgs rmf_traffic rmf_traffic_msgs test_maps
  3 packages had stderr output: building_gazebo_plugins rmf_gazebo_plugins rmf_traffic
  8 packages not processed

But the gazebo_ros packages is installed. and the header file node.hpp can be found in /opt/ros/eloquent/include/gazebo_ros/.

Kindly help to resolve this issue. Thanks.

2020-04-16 18:09:39 -0500 answered a question Unable to install rmf_demos package

Adding ${gazebo_ros_INDLUDE_DIRECTORIES} in the target_include_directories solves the problem.

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2020-04-15 03:07:24 -0500 asked a question Unable to install rmf_demos package

Unable to install rmf_demos package I get this error below when i do colcon build with rmf_demos package: Starting >

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2020-04-12 08:07:25 -0500 commented answer Resource_retriever package doesn't build in ROS2 Windows

Making the changes made as in https://github.com/ros/resource_retriever/commit/e3896511fdab0b3e632cad8ff502a6f07d7b2b97

2020-04-08 22:02:48 -0500 commented question Resource_retriever package doesn't build in ROS2 Windows

I'm also facing the same error. Please let us know if you're able to solve this issue. Thanks

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2020-03-05 19:53:45 -0500 marked best answer [rmf_demo] How to generate the "0.yaml" file

In our attempt to try out the rmf_demo examples, there is a file specified as "0.yaml" in magni_adapter.launch.xml, which is located at /install/rmf_demo_maps/share/rmf_demo_maps/maps/office/nav_graphs/0.yaml.

The file seems to be the equivalent lanes and vertices generated from traffic_editor but in gazebo's world coordinate.

Vertices in this 0.yaml file are in meter while the coordinate of vertices in building.yaml file of traffic_editor are in pixels.

For example, coordinate of the same vertex in different files:

[office.world - magni1] : (11.553368836072618 -11.315970962255989)

[office.building.yaml - magni1_charger] : (1364.76, 1336.717)

[0.yaml - magni1_charger] : (11.553368836072618, -11.315970962255989)

Is there a conversion or any specific steps to obtain this 0.yaml?

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