#!/bin/sh
cd ${0%/*} || exit 1                        # Run from this directory

# Require gnuplot
command -v gnuplot >/dev/null 2>&1 || {
    echo "gnuplot not found - skipping graph creation" 1>&2
    exit 1
}


# The latestTime in postProcessing/inletSampling
timeDir=$(foamListTimes -case postProcessing/inletSampling -latestTime 2>/dev/null)

[ -n "$timeDir" ] || {
    echo "No postProcessing/inletSampling found - skipping graph creation" 1>&2
    exit 2
}

timeDir="postProcessing/inletSampling/$timeDir"

echo "Creating graphs"

gnuplot<<GNUPLOT

set terminal png size 1000,800 enhanced font "Helvetica,24"

set xrange [0:1]
set yrange [-1:8]
set xlabel "Channel height"
set ylabel "<u_i u_i>"

set offset .05, .05
set style data linespoints

set grid
set linetype 1 lc rgb 'black' lw 2
set linetype 2 lc rgb 'red' lw 2
set linetype 3 lc rgb 'blue' lw 2
set linetype 4 lc rgb 'green' lw 2
set linetype 5 lc rgb 'black' pi -8 pt 4 ps 1.5
set linetype 6 lc rgb 'red' pi -8 pt 4 ps 1.5
set linetype 7 lc rgb 'blue' pi -8 pt 4 ps 1.5
set linetype 8 lc rgb 'green' pi -8 pt 4 ps 1.5


set title "Stress in cell"
input = "$timeDir/inletCell_UPrime2Mean.xy"
set output 'stress-cell.png'
plot \
    input u 1:2 w lines t "<uu>" lt 1, \
    input u 1:5 w lines t "<vv>" lt 2, \
    input u 1:7 w lines t "<ww>" lt 3, \
    input u 1:3 w lines t "<uv>" lt 4


set title "Stress on patch"
input = "$timeDir/inletPatch_UPrime2Mean.xy"
set output 'stress-patch.png'
plot \
    input u 1:2 w lines t "<uu>" lt 1, \
    input u 1:5 w lines t "<vv>" lt 2, \
    input u 1:7 w lines t "<ww>" lt 3, \
    input u 1:3 w lines t "<uv>" lt 4

GNUPLOT

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