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2016-05-26 11:36:43 -0500 asked a question MultiThreading in roscpp

Hi! can someone explain me the concept of MultiThreading in ros? I read http://wiki.ros.org/roscpp/Overview/C... but I've some doubts. Can I use it to makes my execution code faster? How can I manage the relation between Sub/Pub with MultiThreading? Thanks to all!!!

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2016-03-10 05:11:46 -0500 commented question How to open PCD file

Thanks man!! I've another question. Is there a method to discover the distance between my image/object and my kinect? Thank you :)

2016-03-10 05:11:40 -0500 commented answer How to open PCD file

Thanks man!! I've another question. Is there a method to discover the distance between my image/object and my kinect? Thank you :)

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2016-03-08 05:47:08 -0500 asked a question How to open PCD file

Hi guys. I'm working with my kinect to extract point clouds. So I run at first openni_launch and after i run : rosrun pcl_ros pointcloud_to_pcd input:=/camera/depth_registered/points So after this, ROS saves every point clouds that kinect gets. SO my question is: how can I extract data from a PCD? I want to extract fields about sensor_msgs/PointField[]. It exists another method to get every information about a PCD file? thanks to all!

2016-02-25 07:49:54 -0500 asked a question Problem with Humanoid_Navigation in Indigo

Hi everybody, I occured a problem during the installation of Humanoid_Navigation package. Following this guide http://wiki.ros.org/humanoid_navigati... when I do "catkin_make", something goes wrong:

-- +++ processing catkin package: 'humanoid_planner_2d' -- ==> add_subdirectory(humanoid_navigation/humanoid_planner_2d) -- Found PkgConfig: /usr/bin/pkg-config (found version "0.26") -- checking for module 'sbpl' -- package 'sbpl' not found CMake Error at /usr/share/cmake-2.8/Modules/FindPkgConfig.cmake:283 (message): A required package was not found Call Stack (most recent call first): /usr/share/cmake-2.8/Modules/FindPkgConfig.cmake:337 (_pkg_check_modules_internal) humanoid_navigation/humanoid_planner_2d/CMakeLists.txt:10 (pkg_check_modules)

-- +++ processing catkin package: 'footstep_planner' -- ==> add_subdirectory(humanoid_navigation/footstep_planner) -- Using these message generators: gencpp;genjava;genlisp;genpy -- checking for module 'sbpl' -- package 'sbpl' not found CMake Error at /usr/share/cmake-2.8/Modules/FindPkgConfig.cmake:283 (message): A required package was not found Call Stack (most recent call first): /usr/share/cmake-2.8/Modules/FindPkgConfig.cmake:337 (_pkg_check_modules_internal) humanoid_navigation/footstep_planner/CMakeLists.txt:10 (pkg_check_modules)

-- +++ processing catkin package: 'humanoid_localization' -- ==> add_subdirectory(humanoid_navigation/humanoid_localization) -- Using these message generators: gencpp;genjava;genlisp;genpy -- Try OpenMP C flag = [-fopenmp] -- Performing Test OpenMP_FLAG_DETECTED -- Performing Test OpenMP_FLAG_DETECTED - Success -- Try OpenMP CXX flag = [-fopenmp] -- Performing Test OpenMP_FLAG_DETECTED -- Performing Test OpenMP_FLAG_DETECTED - Success -- Found OpenMP: -fopenmp
-- Boost version: 1.54.0 -- Found the following Boost libraries: -- random CMake Error at humanoid_navigation/humanoid_localization/CMakeLists.txt:7 (find_package): By not providing "FindEigen.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "Eigen", but CMake did not find one.

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

EigenConfig.cmake
eigen-config.cmake

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

-- Configuring incomplete, errors occurred!

Can someone help me? Thanks to all!