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2018-06-20 13:31:16 -0500 marked best answer rosws init ~/fuerte_workspace /opt/ros/fuerte & sudo apt-get install python-rosinstall

Hi im begginer and have installed ROS 2 or 3 days ago , i have some problems: 1. when i type rosws init ~/fuerte_workspace /opt/ros/fuerte i received the answer : rosws: command not found,
2. and when i type : sudo apt-get install python-rosinstall, i received the answer : Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? i dont know what should i do to complete my installation so please guide me.

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2017-03-08 23:45:40 -0500 marked best answer Hi, when i run catkin_make i have an error with nodelet

this is result of catkin_make :

Base path: /home/fatima/catkin_ws1
Source space: /home/fatima/catkin_ws1/src
Build space: /home/fatima/catkin_ws1/build
Devel space: /home/fatima/catkin_ws1/devel
Install space: /home/fatima/catkin_ws1/install
####
#### Running command: "make cmake_check_build_system" in "/home/fatima/catkin_ws1/build"
####
-- Using CATKIN_DEVEL_PREFIX: /home/fatima/catkin_ws1/devel
-- Using CMAKE_PREFIX_PATH: /home/fatima/catkin_ws1/devel;/opt/ros/indigo
-- This workspace overlays: /home/fatima/catkin_ws1/devel;/opt/ros/indigo
-- Using PYTHON_EXECUTABLE: /usr/bin/python
-- Using Debian Python package layout
-- Using empy: /usr/bin/empy
-- Using CATKIN_ENABLE_TESTING: ON
-- Call enable_testing()
-- Using CATKIN_TEST_RESULTS_DIR: /home/fatima/catkin_ws1/build/test_results
-- Found gtest sources under '/usr/src/gtest': gtests will be built
-- Using Python nosetests: /usr/bin/nosetests-2.7
-- catkin 0.6.16
-- BUILD_SHARED_LIBS is on
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- ~~  traversing 1 packages in topological order:
-- ~~  - beginner2_tutorials
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- +++ processing catkin package: 'beginner2_tutorials'
-- ==> add_subdirectory(beginner2_tutorials)
-- Using these message generators: gencpp;genlisp;genpy
-- beginner2_tutorials: 1 messages, 1 services
CMake Error at /opt/ros/indigo/share/catkin/cmake/catkin_package.cmake:217 (message):
  catkin_package() DEPENDS on the catkin package 'nodelet' which must
  therefore be listed as a run dependency in the package.xml
Call Stack (most recent call first):
  /opt/ros/indigo/share/catkin/cmake/catkin_package.cmake:98 (_catkin_package)
  beginner2_tutorials/CMakeLists.txt:13 (catkin_package)


-- Configuring incomplete, errors occurred!
See also "/home/fatima/catkin_ws1/build/CMakeFiles/CMakeOutput.log".
See also "/home/fatima/catkin_ws1/build/CMakeFiles/CMakeError.log".
make: *** [cmake_check_build_system] Error 1
Invoking "make cmake_check_build_system" failed
fatima@fatima-K55VD:~/catkin_ws1$ ^C
fatima@fatima-K55VD:~/catkin_ws1$ catkin_make
Base path: /home/fatima/catkin_ws1
Source space: /home/fatima/catkin_ws1/src
Build space: /home/fatima/catkin_ws1/build
Devel space: /home/fatima/catkin_ws1/devel
Install space: /home/fatima/catkin_ws1/install
####
#### Running command: "make cmake_check_build_system" in "/home/fatima/catkin_ws1/build"
####
-- Using CATKIN_DEVEL_PREFIX: /home/fatima/catkin_ws1/devel
-- Using CMAKE_PREFIX_PATH: /home/fatima/catkin_ws1/devel;/opt/ros/indigo
-- This workspace overlays: /home/fatima/catkin_ws1/devel;/opt/ros/indigo
-- Using PYTHON_EXECUTABLE: /usr/bin/python
-- Using Debian Python package layout
-- Using empy: /usr/bin/empy
-- Using CATKIN_ENABLE_TESTING: ON
-- Call enable_testing()
-- Using CATKIN_TEST_RESULTS_DIR: /home/fatima/catkin_ws1/build/test_results
-- Found gtest sources under '/usr/src/gtest': gtests will be built
-- Using Python nosetests: /usr/bin/nosetests-2.7
-- catkin 0.6.16
-- BUILD_SHARED_LIBS is on
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- ~~  traversing 1 packages in topological order:
-- ~~  - beginner2_tutorials
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- +++ processing catkin package: 'beginner2_tutorials'
-- ==> add_subdirectory(beginner2_tutorials)
-- Using these message generators: gencpp;genlisp;genpy
-- beginner2_tutorials: 1 messages, 1 services
CMake Error at /opt/ros/indigo/share/catkin/cmake/catkin_package.cmake:217 (message):
  catkin_package() DEPENDS on the catkin package 'nodelet' which must
  therefore be listed as a run dependency in the package.xml
Call Stack (most recent call first):
  /opt/ros/indigo/share/catkin/cmake/catkin_package.cmake:98 (_catkin_package)
  beginner2_tutorials/CMakeLists.txt:13 (catkin_package)


-- Configuring incomplete, errors occurred!
See also "/home/fatima/catkin_ws1/build/CMakeFiles/CMakeOutput.log".
See also "/home/fatima/catkin_ws1/build/CMakeFiles/CMakeError.log".
make: *** [cmake_check_build_system] Error 1
Invoking "make cmake_check_build_system" failed

i think as Akif told i should bring it to the package.xml but how? i dont know

its my result when i run catkin_make again :

Base path: /home/fatima/~catkin_ws1 Source space: /home/fatima/~catkin_ws1/src Build space ... (more)

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2016-05-08 14:40:11 -0500 marked best answer about talker.cpp and listener.cpp : Invoking "make cmake_check_build_system" failed

Hi , i want to test 11. Writing a Simple Publisher and Subscriber (C++) , i installed indigo, and i have a workspace with catkin i have called catkin_ws1 with a package beginner2_tutorials , and now i make 2 files with name talker.cpp and listener.cpp in path : catkin_ws1/src/beginner2_tutorials/src and then change CMakeList.txt in path catkin_ws1/beginner2_tutorials and then i write $ catkin_make but at the end i receive Invoking "make cmake_check_build_system" failed , and because of this i think when i write $ rosrun beginner_tutorials talker , i receive this answer :

[rosrun] Couldn't find executable named talker below /home/fatima/catkin_ws1/src/beginner2_tutorials

so please help me whether i have done this thing true ( for talker and listener.cpp) and what should i do for the errors?

2016-03-03 09:02:09 -0500 marked best answer Hi , i want to install catkin_make , but i have an error , so i want to know could i change package.xml?

its my error when i run catkin_make :

Base path: /home/fatima/catkin_ws1
Source space: /home/fatima/catkin_ws1/src
Build space: /home/fatima/catkin_ws1/build
Devel space: /home/fatima/catkin_ws1/devel
Install space: /home/fatima/catkin_ws1/install
####
#### Running command: "make cmake_check_build_system" in "/home/fatima/catkin_ws1/build"
####
-- Using CATKIN_DEVEL_PREFIX: /home/fatima/catkin_ws1/devel
-- Using CMAKE_PREFIX_PATH: /opt/ros/indigo
-- This workspace overlays: /opt/ros/indigo
-- Using PYTHON_EXECUTABLE: /usr/bin/python
-- Using Debian Python package layout
-- Using empy: /usr/bin/empy
-- Using CATKIN_ENABLE_TESTING: ON
-- Call enable_testing()
-- Using CATKIN_TEST_RESULTS_DIR: /home/fatima/catkin_ws1/build/test_results
-- Found gtest sources under '/usr/src/gtest': gtests will be built
-- Using Python nosetests: /usr/bin/nosetests-2.7
-- catkin 0.6.16
-- BUILD_SHARED_LIBS is on
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- ~~  traversing 1 packages in topological order:
-- ~~  - beginner2_tutorials
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- +++ processing catkin package: 'beginner2_tutorials'
-- ==> add_subdirectory(beginner2_tutorials)
-- Using these message generators: gencpp;genlisp;genpy
-- beginner2_tutorials: 1 messages, 1 services
CMake Error at /opt/ros/indigo/share/catkin/cmake/catkin_package.cmake:217 (message):
  **catkin_package() DEPENDS on the catkin package 'message_runtime' which must
  therefore be listed as a run dependency in the package.xml**
Call Stack (most recent call first):
  /opt/ros/indigo/share/catkin/cmake/catkin_package.cmake:98 (_catkin_package)
  beginner2_tutorials/CMakeLists.txt:13 (catkin_package)

-- Configuring incomplete, errors occurred!
See also "/home/fatima/catkin_ws1/build/CMakeFiles/CMakeOutput.log".
See also "/home/fatima/catkin_ws1/build/CMakeFiles/CMakeError.log".
make: *** [cmake_check_build_system] Error 1
Invoking "make cmake_check_build_system" failed

and this is my CMakeList.txt

cmake_minimum_required(VERSION 2.8.3)
project(beginner2_tutorials)

## Find catkin and any catkin packages
find_package(catkin REQUIRED COMPONENTS roscpp rospy std_msgs genmsg message_generation)

## Declare ROS messages and services
add_message_files(FILES Num.msg )
add_service_files(FILES AddTwoInts.srv)

## Generate added messages and services
generate_messages(DEPENDENCIES std_msgs)
catkin_package( INCLUDE_DIRS include
 LIBRARIES ${beginner2_tutorials} CATKIN_DEPENDS message_runtime roscpp nodelet)

  ## DEPENDS eigen opencv )
## Declare a catkin package
##catkin_package(CATKIN_DEPENDS message_runtime std_msgs sensor_msgs)
## CATKIN_DEPENDS: catkin_packages dependent projects also need
## DEPENDS: system dependencies of this project that dependent projects also need
catkin_package(
  INCLUDE_DIRS include
  LIBRARIES beginner2_tutorials
  CATKIN_DEPENDS message_runtime roscpp rospy std_msgs
  DEPENDS system_lib
DEPENDS message_runtime
)
catkin_package()

## Build talker and listener
include_directories(include ${catkin_INCLUDE_DIRS})

add_executable(talker src/talker.cpp)
target_link_libraries(talker ${catkin_LIBRARIES})
add_dependencies(talker beginner2_tutorials_generate_messages_cpp)

add_executable(listener src/listener.cpp)
target_link_libraries(listener ${catkin_LIBRARIES})
add_dependencies(listener beginner2_tutorials_generate_messages_cpp)

ofcourse i change this line to solve this problem but it hasnt been solved :

catkin_package(
  INCLUDE_DIRS include
  LIBRARIES beginner2_tutorials
  CATKIN_DEPENDS message_runtime roscpp rospy std_msgs
  DEPENDS system_lib
DEPENDS message_runtime
)

its package.xml content :

<package><name>beginner2_tutorials</name><version>0.0.0</version><description>The beginner2_tutorials package</description><!-- One maintainer tag required, multiple allowed, one person per tag 
--><!-- Example:  -->
<!-- <maintainer email="jane.doe@example.com">Jane Doe</maintainer> 
--><maintainer email="fatima@todo.todo">fatima</maintainer><!-- One license tag required, multiple allowed, one license per tag 
--><!-- Commonly used license strings: -->
<!--   BSD, MIT, Boost Software License, GPLv2, GPLv3, LGPLv2.1, LGPLv3 
--><license>TODO</license><!-- Url tags are optional, but mutiple are allowed, one per tag 
--><!-- Optional attribute type can be: website, bugtracker, or repository 
--><!-- Example: -->
<!-- <url type="website">http://wiki.ros.org/beginner2_tutorials</url> 
--><!-- Author tags are optional, mutiple are allowed, one per tag 
--><!-- Authors do not have to be ...
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2015-12-29 20:44:35 -0500 commented answer How to run cv_bridge?

hi , thanks so much , i have done every thing as told in this link , and i want to Convert between ROS images and OpenCV images (C++) is there ant thing i should do for finding messages for cv_bridge ?

2015-12-29 01:37:34 -0500 commented answer How to run cv_bridge?

thank you so much , i did it and now i have another problem i edited my question above and put my error and cmakelists again please help thank you

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2015-12-29 00:06:24 -0500 commented question How to add cv_bridge and image_transport package to compile in Raspberry Pi?

hi joq , could you please tell me how install cv_bridge itself?

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2015-12-25 21:47:31 -0500 asked a question How to run cv_bridge?

hi , i want to run cv_bridge, so i refer to Converting between ROS images and OpenCV images (C++) i did every thing were told at" An example ROS node" at the end i added the commad below to the end of CMakelist.txt and after that run catkin_make

add_executable(image_converter src/image_converter.cpp)
target_link_libraries(image_converter ${catkin_LIBRARIES})
add_dependencies(image_converter beginner_tutorials_generate_messages_cpp)

but i have 2 problems : 1. when i run catkin_make i receive this error :

CMake Error: Error in cmake code at
/home/fatima/catkin_ws3/src/beginner_tutorials/CMakeLists.txt:135:
Parse error.  Expected a command name, got unquoted argument with text "/add_executable".
  1. and if it can be run , how to run image_converter file and how to see the result of cv_bridge ?

hi thnks for reply , this is my CMakelists: i dont know is it true for cv_bridge or not?

cmake_minimum_required(VERSION 2.8.3)
project(beginner_tutorials)


find_package(catkin REQUIRED COMPONENTS
  cv_bridge
  image_transport
  roscpp
  rospy
  sensor_msgs
  std_msgs
genmsg message_generation
)

add_message_files(FILES Num.msg )
add_service_files(FILES AddTwoInts.srv)



 generate_messages(
   DEPENDENCIES
sensor_msgs
cv_bridge
roscpp
std_msgs
image_transport
 )
generate_messages(DEPENDENCIES std_msgs)
catkin_package( INCLUDE_DIRS include
 LIBRARIES ${beginner_tutorials} CATKIN_DEPENDS message_runtime roscpp nodelet)
catkin_package(  )


include_directories(
  ${catkin_INCLUDE_DIRS}
)
catkin_package()
add_library()/add_executable()/target_link_libraries(
add_library(beginner_tutorials
  src/${PROJECT_NAME}/beginner_tutorials.cpp
 )


add_dependencies(beginner_tutorials ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})


add_dependencies(beginner_tutorials_node ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})


 target_link_libraries(beginner_tutorials_node
   ${catkin_LIBRARIES}
 )

add_executable(image_converter src/image_converter.cpp)
target_link_libraries(image_converter ${catkin_LIBRARIES})
add_dependencies(image_converter beginner_tutorials_generate_messages_cpp)

And now after fixing the last problem i have again another problem with generate_messages : CMakeLists :

cmake_minimum_required(VERSION 2.8.3)
project(beginner_tutorials)


find_package(catkin REQUIRED COMPONENTS
  cv_bridge
  image_transport
  roscpp
  rospy
  sensor_msgs
  std_msgs
genmsg message_generation
)

################################################
## Declare ROS messages, services and actions ##
################################################


## Generate messages in the 'msg' folder

add_message_files(FILES Num.msg )
add_service_files(FILES AddTwoInts.srv)


## Generate services in the 'srv' folder
# add_service_files(
#   FILES
#   Service1.srv
#   Service2.srv
# )

## Generate actions in the 'action' folder
# add_action_files(
#   FILES
#   Action1.action
#   Action2.action
# )

## Generate added messages and services with any dependencies listed here
 generate_messages(
   DEPENDENCIES
sensor_msgs
cv_bridge
roscpp
std_msgs
image_transport
#  sensor_msgs#   std_msgs
 )
##generate_messages(DEPENDENCIES std_msgs)
catkin_package( INCLUDE_DIRS include
 LIBRARIES ${beginner_tutorials} CATKIN_DEPENDS message_runtime roscpp nodelet)

# include_directories(include)
include_directories(
  ${catkin_INCLUDE_DIRS}
)
catkin_package()
##add_library()/add_executable()/target_link_libraries()
## Declare a C++ library
add_library(beginner_tutorials
  src/${PROJECT_NAME}/beginner_tutorials.cpp
 )

## Add cmake target dependencies of the library
## as an example, code may need to be generated before libraries
## either from message generation or dynamic reconfigure
add_dependencies(beginner_tutorials ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})

## Declare a C++ executable
# add_executable(beginner_tutorials_node src/beginner_tutorials_node.cpp)

## Add cmake target dependencies of the executable
## same as for the library above
add_dependencies(beginner_tutorials_node ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})

## Specify libraries to link a library or executable target against
 target_link_libraries(beginner_tutorials_node
   ${catkin_LIBRARIES}
 )

## Add gtest based cpp test target and link libraries
# catkin_add_gtest(${PROJECT_NAME}-test test/test_beginner_tutorials.cpp)
# if(TARGET ${PROJECT_NAME}-test)
#   target_link_libraries(${PROJECT_NAME}-test ${PROJECT_NAME})
# endif()

## Add folders to be run by python nosetests
# catkin_add_nosetests(test)
add_executable(image_converter src/image_converter.cpp)
target_link_libraries(image_converter ${catkin_LIBRARIES})
add_dependencies(image_converter beginner_tutorials_generate_messages_cpp)

and this is my catkin_make Error :

Base path: /home/fatima/catkin_ws3
Source space: /home/fatima/catkin_ws3/src
Build space: /home/fatima/catkin_ws3/build
Devel space: /home/fatima/catkin_ws3/devel
Install space: /home/fatima/catkin_ws3/install
####
#### Running command: "make ...
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2015-12-18 10:29:13 -0500 commented answer what is the first step of doing image processing with ROS?

i saw Rviz window with a grid i added camera but again i only have a grid i dont know how should i use the camera in rviz ?

2015-12-18 10:17:51 -0500 commented answer what is the first step of doing image processing with ROS?
[ INFO] [1450467742.148411685]: compiled against OGRE version 1.8.1 (Byatis)
[ INFO] [1450467742.676989007]: Stereo is NOT SUPPORTED
[ INFO] [1450467742.677113146]: OpenGl version: 3 (GLSL 1.3).
2015-12-18 10:17:18 -0500 commented answer what is the first step of doing image processing with ROS?

hi thank you so much, i run usb_cam node before and could run Rviz i clicked add the result is :

2015-12-18 10:17:16 -0500 commented answer what is the first step of doing image processing with ROS?

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2015-12-18 08:26:04 -0500 asked a question what is the first step of doing image processing with ROS?

hi i am beginner with image processing and want to start that with ROS but i dont know what is the first step ? for example should i first install OpenCV? or its not important ? and may be i should install some package in my workspace ? i have a webcam on my laptop i want to use it. please guide me if any one could.

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2015-12-14 01:55:27 -0500 marked best answer [rosrun] Couldn't find executable named talker or listener

Hi I created two files with name : talker.cpp and listener.cpp and put them in path : catkin_ws1>src>beginner2_tutorials>src , and the chang the CmakeLists.txt as said in 11. Writing a Simple Publisher and Subscriber (C++) ROS tutorials and then run catkin_make and then in root workspace run : $ rosrun beginner2_tutorials talker but I receive this result :

[rosrun] Couldn't find executable named talker below /home/fatima/catkin_ws1/src/beginner2_tutorials

I review [11. Writing a Simple Publisher and Subscriber (C++) ROS tutorials] again i have noticed that i should have two executable in directory of my devel space but i havent any executable file i have only pkgconfig and beginner2_tutorials.pc !!! i dont know how should i have executable in located by default at ~/catkin_ws/devel/lib/<package name=""> , may be this is my problem so i couldnt run $ rosrun beginner2_tutorials talker so please help me to solve this

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2015-12-12 08:20:04 -0500 marked best answer run : rosrun image_view image_view image:=/camera/rgb/image_mono

hi , i want to start image processing with ROS, i think i should work wih rosrun image_view image_view image:=/camera/rgb/image_mono but when i run this command i have a window like this i dont know how work with this command :

rosrun image_view image_view image:=/camera/rgb/image_mono
or 
rosrun image_view image_view image:=/camera/rgb/image_color

so please some one help and guide me to work with this and first step for image processing ? image description

2015-12-12 08:20:04 -0500 commented answer run : rosrun image_view image_view image:=/camera/rgb/image_mono

yes thats right roscore was missing, now its working, i know opencv a little but think may be i could work with image_proc but it looks like opencv is the only way rights?