4if [ -z $JPP_DIR ]; then
 
    5    echo "Variable JPP_DIR undefined."
 
    9source $JPP_DIR/setenv.sh $JPP_DIR >& /dev/null
 
   11set_variable:  DEBUG       DYNAMICS_DEBUG                2
 
   12set_variable:  WORKDIR     DYNAMICS_WORKDIR              ./
 
   13set_variable   TSTEP_S     600.0                        
 
   14set_variable   DIR         $JPP_DIR/examples/JDynamics/  
 
   15set_variable:  TIMESTAMP   GRAPHICS_TIMESTAMP     utc
 
   16set_variable:  FORMAT      GRAPHICS_FORMAT        gif
 
   19    usage "$script <detector file> <calibration file 1> <calibration file 2>"
 
   20          "\nCalibration files correspond to the output of JKatoomba[.sh]."
 
   24    fatal "Wrong number of arguments."
 
   27set_variable  DETECTOR            $argv[1]
 
   28set_variable  INPUT_FILE_1        $argv[2]
 
   29set_variable  INPUT_FILE_2        $argv[3]
 
   30set_variable  OUTPUT_FILE         $WORKDIR/compare_dynamic_positions.root 
 
   32eval `JPrintDetector -a $DETECTOR -O SUMMARY`
 
   34$DIR/JCompareDynamicPositions \
 
   42echo "Creating graphics output in directory $WORKDIR"
 
   46    -f $OUTPUT_FILE:H\.\*comparetx                    \
 
   47    -\^ "#DeltaTx [mrad]"                             \
 
   52    -o $WORKDIR/comparetx.$FORMAT                     -B
 
   56    -f $OUTPUT_FILE:K\.\*comparety                    \
 
   57    -\^ "#DeltaTy [mrad]"                             \
 
   62    -o $WORKDIR/comparety.$FORMAT                     -B
 
   66    -f $OUTPUT_FILE:M\.\*comparetx                    \
 
   67    -> "#DeltaTx [mrad]"                             \
 
   68    -\^ "number of events [a.u.]"                     \
 
   74    -o $WORKDIR/comparetx_hist.$FORMAT                 -B
 
   78    -f $OUTPUT_FILE:N\.\*comparety                    \
 
   79    -> "#DeltaTy [mrad]"                             \
 
   80    -\^ "number of events [a.u.]"                     \
 
   86    -o $WORKDIR/comparety_hist.$FORMAT                 -B
 
   89rm compare_dynamic_positions.root