how to use open_ptrack instead of people detection program

edit

I installed open_ptrack as I follow the installation guide. I edited ros_configure.sh and calibration_toolkit_install.sh to match my PC environment.

ros_configure.sh

#!/bin/sh
source /opt/ros/hydro/setup.bash
#mkdir -p ~/workspace/ros/catkin/src
cd ~/catkin_ws
catkin_make --force-cmake
#mkdir -p ~/workspace/ros/rosbuild
#rosws init ~/workspace/ros/rosbuild ~/workspace/ros/catkin/devel
echo "source ~/catkin_ws/devel/setup.bash" >> ~/.bashrc
echo "export KINECT_DRIVER=\"openni\"" >> ~/.bashrc
. ~/.bashrc

# Update libfreenect driver for Kinect:
cd ~/catkin_ws/src/open_ptrack/scripts
chmod +x libfreenect_update.sh
./libfreenect_update.sh

# Install SwissRanger driver:
chmod +x mesa_install.sh
./mesa_install.sh

calibration_toolkit_install.sh

# Installer for 'calibration_toolkit' from GitHub (needed for multicamera calibration)
chmod +x ceres_install.sh
./ceres_install.sh
cd ~/catkin_ws/src
git clone https://github.com/iaslab-unipd/calibration_toolkit 
cd ~/catkin_ws
catkin_make --pkg calibration_msgs
catkin_make --force-cmake