tripod-Z:fit.sh

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#!/bin/zsh
script=${0##*/}

if [ -z $JPP_DIR ]; then
    echo "Variable JPP_DIR undefined."
    exit
fi

source $JPP_DIR/setenv.sh $JPP_DIR >& /dev/null

set_variable  DEBUG               ${ACOUSTICS_DEBUG:-2}
set_variable  WORKDIR             ${ACOUSTICS_WORKDIR:-./}
set_variable  BACKGROUND          ${ACOUSTICS_BACKGROUND:+-B}
set_variable  FORMULA             "[0] + [1] * (sqrt(1.0 + 0.5*(x-[2])*(x-[2])/([3]*[3])) - 1.0)"

if ( do_usage $* ); then
    usage "$script <tripod identifier> [<tripod file>]"
fi

if (( $# == 0 || $# > 2 )); then
    fatal "Wrong number of arguments."
fi

set_variable  TRIPOD              $argv[1]

source JAcoustics.sh --

CHECK_EXIT_CODE

set_variable  TRIPOD_TXT          $WORKDIR/tripodz_${TRIPOD}.txt
set_variable  TRIPOD_ROOT         $WORKDIR/tripodz_${TRIPOD}.root

if [[ ! -f $TRIPOD_TXT ]] then
    fatal "No tripod data file  $TRIPOD_TXT."
fi

JGraph \
    -f $TRIPOD_TXT                            \
    -o $TRIPOD_ROOT

sort -gr -k 2,2 $TRIPOD_TXT | tail -1 | read X Y EY

JFit \
    -f ${TRIPOD_ROOT}:\.\*                    \
    -o $WORKDIR/fit.root                      \
    -F "$FORMULA"                             \
    -@ "p0 = $Y"                              \
    -@ "p1 = 1.0"                             \
    -@ "p2 = $X"                              \
    -@ "p3 = 4.0"                             \
    -d $DEBUG

set_array P2 `JPrintFit -f $WORKDIR/fit.root:\.\* -@p2`

printf "nominal %2d %7.3f %7.3f\n" $TRIPOD   0.0  `JPrintFit -f $WORKDIR/fit.root:\.\* -x "  0.0 "`
printf "optimal %2d %7.3f %7.3f\n" $TRIPOD $P2[1] `JPrintFit -f $WORKDIR/fit.root:\.\* -x "$P2[1]"`

if (( $# == 2 )); then
    JEditTripod -f $argv[2] -T "$TRIPOD add 0.0 0.0 $P2[1]"
fi

mv $WORKDIR/fit.root $TRIPOD_ROOT

JPlot1D \
    -f $TRIPOD_ROOT:\.\*                      \
    -\> "#Deltaz [m]"                         \
    -\^ "#chi^{2}/NDF"                        \
    -T "[$TRIPOD]"                            \
    -o $WORKDIR/tripodz_${TRIPOD}.gif         $BACKGROUND

rm -f  $TRIPOD_ROOT