hi there again, now i got confused with nite package (which called opennitracker today huh?) i'm using ros indigo, i got problem with package 'nite' from ros-file-electric, so i changed it to openni2tracker. i've installed opennicamera, openni2camera, opennilaunch, openni2launch, opennitracker, openni2tracker, and still got error when i catkin_make:

CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
Nite2_INCLUDEDIR
  used as include directory in directory /home/adelleodel/rosadel/src/openni2_tracker
  used as include directory in directory /home/adelleodel/rosadel/src/openni2_tracker
  used as include directory in directory /home/adelleodel/rosadel/src/openni2_tracker
  used as include directory in directory /home/adelleodel/rosadel/src/openni2_tracker
   .....
  used as include directory in directory /home/adelleodel/rosadel/src/openni2_tracker
Nite2_LIBRARY

 linked by target "openni2_tracker" in directory /home/adelleodel/rosadel/src/openni2_tracker

-- Configuring incomplete, errors occurred!

this is my edited CMakeList.txt :

....
find_package(openni2_tracker REQUIRED)
....

what should i change in CMakeList ? i think i miss something. thankyou for your helping!