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nav2d toturial 3

Hello everybody,

i'm using Ubuntu 14.04 LTS and ROS Indigo

i'm trying to launch tutorial 3 for nav2d package. but it seems that there's error in the mapper.

all what i did is first i launched the toturial3

roslaunch nav2d_tutorials tutorial3.launch

then in a separate terminal i could these services as instructed since i don't have a joystick.

rosservice call /StartMapping 3
rosservice call /StartExploration 2

here is the screen shots of the errors.

image description


here is my rqt_graph

image description


here is my tf view_frames

image description

frames.gv

Thank you in advance.

nav2d toturial 3

Hello everybody,

i'm using Ubuntu 14.04 LTS and ROS Indigo

i'm trying to launch tutorial 3 for nav2d package. but it seems that there's error in the mapper.

all what i did is first i launched the toturial3

roslaunch nav2d_tutorials tutorial3.launch

then in a separate terminal i could call these services as instructed since i don't have a joystick.

rosservice call /StartMapping 3
rosservice call /StartExploration 2

here is the screen shots of the errors.

image description


here is my rqt_graph

image description


here is my tf view_frames

image description

frames.gv

Thank you in advance.