Custom ROS service-client package file modifications

For your custom ROS service client to run properly, modifications are to be made in the CMakeLists.txt and package.xml files of your package

1. CMakeLists.txt modifications

Around line no 7

Uncomment and modify as below

## Find catkin macros and libraries
## if COMPONENTS list like find_package(catkin REQUIRED COMPONENTS xyz)
## is used, also find other catkin packages
find_package(catkin REQUIRED COMPONENTS
  rospy
  std_msgs
  message_generation
)

Around line no 56

Uncomment and modify as below

## Generate services in the 'srv' folder
 add_service_files(
  FILES
  <your service file name>.srv
)

Around line no 69

Uncomment and modify as below

## Generate added messages and services with any dependencies listed here
generate_messages(
  DEPENDENCIES
  std_msgs  # Or other packages containing msgs
)

Around line no 159

Uncomment and modify as below

## Mark executable scripts (Python etc.) for installation
## in contrast to setup.py, you can choose the destination
 catkin_install_python(PROGRAMS
   scripts/<name of your server node script>.py scripts/<name of your client node script>.py 
   DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION}
 )

2. package.xml modifications

Uncomment line 40

<build_depend>message_generation</build_depend>

Uncomment line 46

<exec_depend>message_runtime</exec_depend>