Executing the service command from c++ file
Here curr_x and curr_y are the co-ordinates of the turtle
I'm getting these errors when I try to execute the following command. I would like to teleport the turtle to absolute co-ordinates using the command
kv@kv:~/krssg$ rosservice call /turtle1/teleport_absolute "x: 0.25
y: 10.68
theta: -0.7854"
but I'm getting these errors when I to invoke this command from a c++ file
Traceback (most recent call last):
File "/opt/ros/indigo/bin/rosservice", line 35, in <module>
rosservice.rosservicemain()
File "/opt/ros/indigo/lib/python2.7/dist-packages/rosservice/__init__.py", line 746, in rosservicemain
_rosservice_cmd_call(argv)
File "/opt/ros/indigo/lib/python2.7/dist-packages/rosservice/__init__.py", line 607, in _rosservice_cmd_call
service_args.append(yaml.load(arg))
File "/usr/lib/python2.7/dist-packages/yaml/__init__.py", line 71, in load
return loader.get_single_data()
File "/usr/lib/python2.7/dist-packages/yaml/constructor.py", line 37, in get_single_data
node = self.get_single_node()
File "/usr/lib/python2.7/dist-packages/yaml/composer.py", line 36, in get_single_node
document = self.compose_document()
File "/usr/lib/python2.7/dist-packages/yaml/composer.py", line 55, in compose_document
node = self.compose_node(None, None)
File "/usr/lib/python2.7/dist-packages/yaml/composer.py", line 84, in compose_node
node = self.compose_mapping_node(anchor)
File "/usr/lib/python2.7/dist-packages/yaml/composer.py", line 127, in compose_mapping_node
while not self.check_event(MappingEndEvent):
File "/usr/lib/python2.7/dist-packages/yaml/parser.py", line 98, in check_event
self.current_event = self.state()
File "/usr/lib/python2.7/dist-packages/yaml/parser.py", line 428, in parse_block_mapping_key
if self.check_token(KeyToken):
File "/usr/lib/python2.7/dist-packages/yaml/scanner.py", line 116, in check_token
self.fetch_more_tokens()
File "/usr/lib/python2.7/dist-packages/yaml/scanner.py", line 220, in fetch_more_tokens
return self.fetch_value()
File "/usr/lib/python2.7/dist-packages/yaml/scanner.py", line 576, in fetch_value
self.get_mark())
yaml.scanner.ScannerError: mapping values are not allowed here
in "<string>", line 1, column 12:
x: curr_x y: curr_y theta: 0.785
^
[ INFO] [1457543780.559175654]:
[ INFO] [1457543780.559260990]: curr_x = 1.10889 curr_y = 9.98001
[ INFO] [1457543780.559285090]: [X][Y] = 0 0
Traceback (most recent call last):
File "/opt/ros/indigo/bin/rosservice", line 35, in <module>
rosservice.rosservicemain()
File "/opt/ros/indigo/lib/python2.7/dist-packages/rosservice/__init__.py", line 746, in rosservicemain
_rosservice_cmd_call(argv)
File "/opt/ros/indigo/lib/python2.7/dist-packages/rosservice/__init__.py", line 607, in _rosservice_cmd_call
service_args.append(yaml.load(arg))
File "/usr/lib/python2.7/dist-packages/yaml/__init__.py", line 71, in load
return loader.get_single_data()
File "/usr/lib/python2.7/dist-packages/yaml/constructor.py", line 37, in get_single_data
node = self.get_single_node()
File "/usr/lib/python2.7/dist-packages/yaml/composer.py", line 36, in get_single_node
document = self.compose_document()
File "/usr/lib/python2.7/dist-packages/yaml/composer.py", line 55, in compose_document
node = self.compose_node(None, None)
File "/usr/lib/python2.7/dist-packages/yaml/composer.py", line 84, in compose_node
node = self.compose_mapping_node(anchor)
File "/usr/lib/python2.7/dist-packages/yaml/composer.py", line 127, in compose_mapping_node
while not self.check_event(MappingEndEvent):
File ...