i have the following problem, i have installed ROS FUERTE in my pc with ubuntu 12.04 l decided choose ROSE FUERTE because was the only that works with ubuntu 12,04 i tried to installed ROS ELECTRIC, ROS DIAMOND BACK AND ROS C TURTLE BUT ANYONE WORKS, always that i run the command:

sudo apt-get update sudo apt-get install ros-diamondback-nxtall

with all the kinds of ROS ( ELECTRIC, TURTLE) always give me an error, the error says: UNABLE TO LOCATE PACKAGE THIS ERROR APEARS IN THE 3 KINDS OF ROS AND FOR THAT REASON Y HAVE TO INSTALL ROS FUERTE, BEFORE I TRIED TO FIX THAT PROBLEM CREANING THE SOURCES AND DOING A LOT OF THINGS BUT ANY THING WORKS AND I HAVE TO INSTALL ROS FUERTE.

WITH ROS FUERTE I COULD INSTALL ALL THE THINGS, I INSTALLED ROS CORRECTLY AND I STABLISHED A CORRECT CONNECTION between the LEGO NXT and my PC ROS FUERTE trought 2 terminals,first i start ros with the command : roscore

but the problem is that when i run a command for start some sensor of the lego, for exemple the next command:

rosrun nxtpython touchsensor_test.py

the terminal says:

[rospack] Error: stack/package nxt_python not found

and for that error i cant do anything with the LEGO i have tried download the folder NXT_PYTHON for ubuntu 12.04 and try to install it and dont works

the forlder is in this link:

http://packages.ubuntu.com/source/precise/python/nxt-python

somebody have a solucion ? i have tried to adapt the enviroment of ROS FUERTE for works with the lego and doesnt works

i dont know what i can do, i tried install different versions on ROS ( 10.04, 11,10, 14.04) AND no works ROS ELECTRIC, DIAMONDBACK AND C IN ANY VERSION

i hope that someone can help with this because i have tried a lot of options and any works thank you for all and for your time