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2020-02-07 11:09:19 -0500 asked a question How to create aml.launch.xml file?

How to create aml.launch.xml file? Hi! I use package for navigation from here: https://github.com/ros-planning/navigati

2020-01-19 07:08:18 -0500 asked a question commands for the ".all" object failed

commands for the ".all" object failed Hi! After compiling folder with navigation stuff, errors occured: Makefile:138:

2020-01-16 11:05:21 -0500 commented question Track planning algorithms - Gazebo

I know but I prefer to rely on already written code :)

2020-01-16 07:51:31 -0500 commented question Track planning algorithms - Gazebo

I added those tags, but If you have some idea how to plan a robot's path without base or base local planner, you can sen

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2020-01-12 09:10:23 -0500 asked a question Track planning algorithms - Gazebo

Track planning algorithms - Gazebo Hi! I have a robot model and a world created in Gazebo. I would like to connect it t

2020-01-12 09:04:16 -0500 marked best answer Launch file error

After entering a command "projectbot_world.launch, I see problems like:

Invalid <arg> tag: projectbot_gazebo
ROS path [0]=/opt/ros/kinetic/share/ros
ROS path [1]=/opt/ros/kinetic/share. 

Arg xml is <arg name="world_name" value="$(find projectbot_gazebo)/worlds/projectbot.world"/>
The traceback for the exception was written to the log file

Do you have an idea how to solve it?

Thanks a lot :)

2020-01-10 08:54:01 -0500 commented answer Launch file error

So what Exactly should I do? I don't understand the sollution :(

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2020-01-06 06:24:57 -0500 asked a question Launch file error

Launch file error After entering a command "projectbot_world.launch, I see problems like: Invalid <arg> tag: proj

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2019-10-21 03:39:11 -0500 edited question ImportError: No module named 'torch'

ImportError: No module named 'torch' Hi, After writing a command "python3 predict_img.py" to run a script, I have an

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2019-10-18 11:16:57 -0500 asked a question ImportError: No module named 'torch'

ImportError: No module named 'torch' Hi, After writing a command "python3 xyz_name.py" to run a script, I have an err

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2019-05-28 12:19:21 -0500 marked best answer How connect robot to DWA_local_planner

Hi!

I have cloned dwa_local_planner algorithm from here: https://github.com/ros-planning/navig... .

Can you tell me what do I need to do to connect it to my robot and world? How does it work?

Thanks a lot.

2019-05-28 10:49:38 -0500 asked a question How connect robot to DWA_local_planner

How connect robot to DWA_local_planner Hi! I have cloned dwa_local_planner algorithm from here: https://github.com/ros

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2019-05-20 13:04:24 -0500 marked best answer SBPL -can't find package

Hi, after installing all the packages connected with Dwa_local_planner, including those:

http://github.com/ros-planning/navigation_msgs (new in Jade+)
http://github.com/ros-planning/navigation_tutorials
http://github.com/ros-planning/navigation_experimental

I have errors after catkin_make:

By not providing "FindSBPL.cmake" in CMAKE_MODULE_PATH this project has
  asked CMake to find a package configuration file provided by "SBPL", but
  CMake did not find one.

  Could not find a package configuration file provided by "SBPL" with any of
  the following names:

    SBPLConfig.cmake
    sbpl-config.cmake

  Add the installation prefix of "SBPL" to CMAKE_PREFIX_PATH or set
  "SBPL_DIR" to a directory containing one of the above files.  If "SBPL"
  provides a separate development package or SDK, be sure it has been
  installed.

How can I fix it?

Thanks!

2019-05-20 11:14:59 -0500 commented question SBPL -can't find package

Okey then, I won't use catkin_make. Thank you!

2019-05-20 11:10:14 -0500 commented question SBPL -can't find package

I made git clone ... Should I use sudo apt-get? I don't understand the question :)

2019-05-20 10:52:52 -0500 asked a question SBPL -can't find package

SBPL -can't find package Hi, after installing all the packages connected with Dwa_local_planner (https://github.com/ros

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2019-05-16 13:14:14 -0500 asked a question Writing a tf broadcaster (C ++) errors

Writing a tf broadcaster (C ++) errors After entering a command: roslaunch learning_tf start_demo.launch Errors appea

2019-05-16 12:33:01 -0500 commented answer Writing a tf broadcaster (C++) errors

[ 50%] Linking CXX executable turtle_tf_broadcaster [100%] Built target turtle_tf_broadcaster I guess so :)

2019-05-16 12:12:01 -0500 marked best answer Writing a tf broadcaster (C++) errors

Hello,

after adding those lines to CMakeLists.txt:

add_executable(turtle_tf_broadcaster src/turtle_tf_broadcaster.cpp)
target_link_libraries(turtle_tf_broadcaster ${catkin_LIBRARIES})

Errors like this appeared:

 CMakeFiles/turtle_tf_broadcaster.dir/src/turtle_tf_broadcaster.cpp.o: In function `poseCallback(boost::shared_ptr<turtlesim::Pose_<std::allocator<void> > const> const&)':
turtle_tf_broadcaster.cpp:(.text+0x4f): undefined reference to `tf::TransformBroadcaster::TransformBroadcaster()'
turtle_tf_broadcaster.cpp:(.text+0x1b7): undefined reference to `ros::Time::now()'
turtle_tf_broadcaster.cpp:(.text+0x1fc): undefined reference to `tf::TransformBroadcaster::sendTransform(tf::StampedTransform const&)'
CMakeFiles/turtle_tf_broadcaster.dir/src/turtle_tf_broadcaster.cpp.o: In function `main':
turtle_tf_broadcaster.cpp:(.text+0x322): undefined reference to `ros::init(int&, char**, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int)'
turtle_tf_broadcaster.cpp:(.text+0x356): undefined reference to `ros::console::g_initialized'
turtle_tf_broadcaster.cpp:(.text+0x366): undefined reference to `ros::console::initialize()'
turtle_tf_broadcaster.cpp:(.text+0x3bb): undefined reference to `ros::console::initializeLogLocation(ros::console::LogLocation*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, ros::console::levels::Level)'
turtle_tf_broadcaster.cpp:(.text+0x3fc): undefined reference to `ros::console::setLogLocationLevel(ros::console::LogLocation*, ros::console::levels::Level)'
turtle_tf_broadcaster.cpp:(.text+0x406): undefined reference to `ros::console::checkLogLocationEnabled(ros::console::LogLocation*)'
turtle_tf_broadcaster.cpp:(.text+0x458): undefined reference to `ros::console::print(ros::console::FilterBase*, void*, ros::console::levels::Level, char const*, int, char const*, char const*, ...)'
turtle_tf_broadcaster.cpp:(.text+0x4bf): undefined reference to `ros::NodeHandle::NodeHandle(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&)'
turtle_tf_broadcaster.cpp:(.text+0x571): undefined reference to `ros::spin()'
turtle_tf_broadcaster.cpp:(.text+0x585): undefined reference to `ros::Subscriber::~Subscriber()'
turtle_tf_broadcaster.cpp:(.text+0x594): undefined reference to `ros::NodeHandle::~NodeHandle()'
turtle_tf_broadcaster.cpp:(.text+0x636): undefined reference to `ros::NodeHandle::~NodeHandle()'
turtle_tf_broadcaster.cpp:(.text+0x667): undefined reference to `ros::NodeHandle::~NodeHandle()'
turtle_tf_broadcaster.cpp:(.text+0x698): undefined reference to `ros::Subscriber::~Subscriber()'
turtle_tf_broadcaster.cpp:(.text+0x6c0): undefined reference to `ros::Subscriber::~Subscriber()'
turtle_tf_broadcaster.cpp:(.text+0x6d4): undefined reference to `ros::Subscriber::~Subscriber()'
turtle_tf_broadcaster.cpp:(.text+0x6e8): undefined reference to `ros::NodeHandle::~NodeHandle()'
CMakeFiles/turtle_tf_broadcaster.dir/src/turtle_tf_broadcaster.cpp.o: In function `__static_initialization_and_destruction_0(int, int)':
turtle_tf_broadcaster.cpp:(.text+0x7b0): undefined reference to `boost::system::generic_category()'
turtle_tf_broadcaster.cpp:(.text+0x7bc): undefined reference to `boost::system::generic_category()'
turtle_tf_broadcaster.cpp:(.text+0x7c8): undefined reference to `boost::system::system_category()'
CMakeFiles/turtle_tf_broadcaster.dir/src/turtle_tf_broadcaster.cpp.o: In function `tf2_ros::TransformBroadcaster::~TransformBroadcaster()':
turtle_tf_broadcaster.cpp:(.text._ZN7tf2_ros20TransformBroadcasterD2Ev[_ZN7tf2_ros20TransformBroadcasterD5Ev]+0x1b): undefined reference to `ros::Publisher::~Publisher()'
turtle_tf_broadcaster.cpp:(.text._ZN7tf2_ros20TransformBroadcasterD2Ev[_ZN7tf2_ros20TransformBroadcasterD5Ev]+0x27): undefined reference to `ros::NodeHandle::~NodeHandle()'
turtle_tf_broadcaster.cpp:(.text._ZN7tf2_ros20TransformBroadcasterD2Ev[_ZN7tf2_ros20TransformBroadcasterD5Ev]+0x38): undefined reference to `ros::NodeHandle::~NodeHandle()'
CMakeFiles/turtle_tf_broadcaster.dir/src/turtle_tf_broadcaster.cpp.o: In function `ros::Subscriber ros::NodeHandle::subscribe<turtlesim::Pose_<std::allocator<void> > >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned ...
(more)
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2019-05-16 12:02:13 -0500 commented answer Writing a tf broadcaster (C++) errors

On page it is said that: "If everything went well, you should have a binary file called turtle_tf_broadcaster in your de

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2019-05-16 07:40:58 -0500 commented answer Writing a tf broadcaster (C++) errors

Where should tf library be located?

2019-05-16 02:29:15 -0500 asked a question Writing a tf broadcaster (C++) errors

Writing a tf broadcaster (C++) errors Hello, after adding those lines to CMakeLists.txt: add_executable(turtle_tf_bro