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Image indexing

intelligent_robot_systems_2016/art_autonomous_exploration/src/topology.py

Lines 136 to 137 in 5dd96db

 for i in range(0, img.shape[0] - 1): 

 for j in range(0, img.shape[1] - 1):

Should this wrap to the other side of the image or the correct is:

for i in range(1, img.shape[0] - 1):
  for j in range(1, img.shape[1] - 1):

Error Running roslaunch art_autonomous_exploration everything.launch

I get the error below when executing roslaunch art_autonomous_exploration everything.launch:

Map & coverage expansion!
Coverage copy new size: (500, 500)
New coverage info: (500, 500)
[ERROR] [1494008375.553133]: bad callback: <bound method RobotPerception.readMap of <robot_perception.RobotPerception instance at 0x7fb04691d908>>
Traceback (most recent call last):
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/topics.py", line 750, in _invoke_callback
    cb(msg)
  File "/home/achilleas/Documents/int_robot_sys/catkin_ws/src/intelligent_robot_systems_2016/art_autonomous_exploration/src/robot_perception.py", line 237, in readMap
    if self.ogm[xx + i, yy + j] > 49 or self.ogm[xx + i, yy + j] == -1:
IndexError: only integers, slices (`:`), ellipsis (`...`), numpy.newaxis (`None`) and integer or boolean arrays are valid indices

The error appears on vanilla code, I haven't yet added anything. I'm on Ubuntu 16.04, with ROS Kinetic.

Before that error I was getting:
ImportError: No module named yaml and then ImportError: No module named rospkg. I installed them with pip, and then the error above appeared.

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