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2020-12-04 14:33:33 -0500 | asked a question | rospy types of message subfields rospy types of message subfields Hi, I generate an empty instance of a message type, e.g via genpy.message.get_message_ |
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2013-03-04 05:04:53 -0500 | asked a question | rosbuild_add_compile_flags does not work Hi there, i have multiple targets in my CMakeLists.txt (C++ and C targets) and would like to set different compiler flags for each target. add_definitions() works, but it conflicts with other targets in the project: rosbuild_add_library(Libname ${SRCS}) add_definitions("-std=c++0x") I replaced the add_definitions() with rosbuild_add_compile_flags(Libname "-std=c++0x") but he seems to ignore the command. Am I missing something? |
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2012-11-05 22:06:37 -0500 | commented answer | Calling ros::spin from a new Thread What i forgot to mention is, that another part of the application uses the orocos_ros_integration which is doing some ros interaction. In addition to that i want to use a normal subscriber. Is that even possible? I think my code worked before I integrated it into the code with the orocos integration |
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2012-11-05 04:51:03 -0500 | asked a question | Calling ros::spin from a new Thread Hi there, i have a strange problem with ROS. I am trying to subscribe to a ros topic in my application. Since the spin-method blocks the application i just started a new thread and tried to subscribe to the topic within this new thread. Here is my code: The strange thing is that this worked some time ago. Now i get the following error: I tried to remove the spin() call and used the MultiThreadedSpinner but this gives me: Can someone tell me whats wrong with my code? Greetings, Simon. |
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2012-05-12 07:42:53 -0500 | answered a question | Matlab-ROS Communication with ipc_bridge_ros Thanks i switched to ubuntu 10.04 and had to compile gcc-4.2 by myself (i didn't find any packages to install it, where did you get it from btw?) and now it works. I hope there will be a better solution soon. I will continue trying to get it work with newer ubuntu versions and without the old gcc-compiler.. |
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2012-05-05 07:22:25 -0500 | answered a question | Matlab-ROS Communication with ipc_bridge_ros Ok thanks, i'll give it a try. Have you tried to communicate between ros and matlab without the ipc bridge? I was wondering why you need the bridge since you can access Matlab with normal C++ code. I tried it today and faced a similar problem that you had on your third point. |
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2012-05-05 05:28:18 -0500 | asked a question | Matlab Engine and ROS Library Incompatible? Hi there, i am trying to establich a connection between Matlab 2012a and ROS fuerte. For the beginning i tried to modify the Listener/Talker tutorial. I just included the matlab api in the listener.cpp. It took me some time until i could compile the package with make. I changed the CMakeLists.txt in the beginner_tutorials folder in the following way and it seemed to work: include_directories(/usr/local/MATLAB/R2012a/extern/include) target_link_libraries(listener libeng.so) But when i want to start a node now, i get the following errors: /home/simon/ros_workspace/beginner_tutorials/bin/listener: /usr/local/MATLAB/R2012a/bin/glnx86/libstdc++.so.6: version `GLIBCXX_3.4.15' not found (required by /opt/ros/fuerte/lib/libroscpp.so) Are there some libs that are incompatible? Is there a way to fix that? |
2012-05-04 03:53:40 -0500 | asked a question | Matlab-ROS Communication with ipc_bridge_ros Hi there, i just installed ROS fuerte (ubuntu 11.10 32bit) and now i am trying to establish a connection between matlab and ros. I found this tutorial. Is there a better way to get it working? It was the only solution i found in the web. I started the tutorial and it worked well until point 7. I can't compile the message folders. The first one seems to work, but the second gives me a long error list. Is anyone familiar with the ipc_bridge? Here is the terminal output from the "roscd ipc_std_msgs && make" command: bash -c "mkdir -p bin"
bash -c " Warning: You are using gcc version "4.6.1-9ubuntu3)". The version currently supported with MEX is "4.4.6". For a list of currently supported compilers see: http://www.mathworks.com/support/compilers/current_release/ g++ -I./include -I/home/simon/ros_workspace/ipc_msgs/ipc_roslib/include -I/home/simon/ros_workspace/ipc_bridge_stack/ipc_bridge_ros/include -I/opt/ros/fuerte/include -I/home/simon/ros_workspace/ipc_bridge_stack/ipc/include -I/home/simon/ros_workspace/ipc_bridge_stack/ipc_bridge/include -I/home/simon/ros_workspace/ipc_bridge_stack/ipc_bridge/include -lstdc++ -L/home/simon/ros_workspace/ipc_bridge_stack/ipc/lib -lipc -L/opt/ros/fuerte/lib -lroscpp -lrostime -lrosconsole -lroscpp_serialization -lxmlrpcpp ros/std_msgs_Bool_publisher.cc -o bin/std_msgs_Bool_publisher
/tmp/cc4DJBiO.o: In function |