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fix spectrogram generation/display
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@kx1t
kx1t committed Apr 8, 2024
1 parent a01f098 commit 5594009
Showing 1 changed file with 39 additions and 49 deletions.
88 changes: 39 additions & 49 deletions rootfs/usr/share/planefence/planefence.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -243,7 +243,7 @@ EOF
EOF
# If there are spectrograms for today, then also make a column for these:
if compgen -G "$OUTFILEDIR/noisecapt-spectro-$FENCEDATE*.png" >/dev/null; then
printf "<th>Spectrogram</th>\n" >> "$2"
printf " <th>Spectrogram</th>\n" >&3
SPECTROPRINT="true"
else
SPECTROPRINT="false"
Expand All @@ -253,7 +253,7 @@ EOF
if [[ "$HASTWEET" == "true" ]]
then
# print a header for the Tweeted column
printf " <th>Notified</th>\n" >> "$2"
printf " <th>Notified</th>\n" >&3
fi
printf "</tr>\n" >&3

Expand Down Expand Up @@ -282,8 +282,7 @@ EOF

# Now write the table
COUNTER=1
while read -r NEWLINE
do
while read -r NEWLINE; do
[[ "$NEWLINE" == "" ]] && continue # skip empty lines
[[ "${NEWLINE::1}" == "#" ]] && continue #skip lines that start with a "#"

Expand All @@ -300,8 +299,7 @@ EOF
# Step 3/5. If there's noise data, get a background color:
# (only when we are printing noise data, and there's actual data in this record)
LOUDNESS=""
if [[ "$HASNOISE" == "true" ]] && [[ "${NEWVALUES[9]}" != "" ]]
then
if [[ "$HASNOISE" == "true" ]] && [[ "${NEWVALUES[9]}" != "" ]]; then
(( LOUDNESS = NEWVALUES[7] - NEWVALUES[11] ))
BGCOLOR="$RED"
(( LOUDNESS <= YELLOWLIMIT )) && BGCOLOR="$YELLOW"
Expand All @@ -310,16 +308,14 @@ EOF

# Step 4/5. Get a noise graph
# (only when we are printing noise data, and there's actual data in this record)
if [[ "$HASNOISE" == "true" ]] && [[ "${NEWVALUES[7]}" != "" ]]
then
if [[ "$HASNOISE" == "true" ]] && [[ "${NEWVALUES[7]}" != "" ]]; then
# First, the noise graph:
# $NOISEGRAPHFILE is the full file path, NOISEGRAPHLINK is the subset with the filename only
NOISEGRAPHFILE="$OUTFILEDIR"/"noisegraph-$(date -d "${NEWVALUES[2]}" +"%y%m%d-%H%M%S")-${NEWVALUES[0]}.png"
NOISEGRAPHLINK=${NOISEGRAPHFILE##*/}

# If no graph already exists, create one:
if [[ ! -f "$NOISEGRAPHFILE" ]]
then
if [[ ! -f "$NOISEGRAPHFILE" ]]; then
# set some parameters for the graph:
TITLE="Noise plot for ${NEWVALUES[1]#@} at ${NEWVALUES[3]}"
STARTTIME=$(date -d "${NEWVALUES[2]}" +%s)
Expand All @@ -328,8 +324,7 @@ EOF
(( ENDTIME - STARTTIME < 30 )) && ENDTIME=$(( STARTTIME + 15 )) && STARTTIME=$(( STARTTIME - 15))
NOWTIME=$(date +%s)
# check if there are any noise samples
if (( (NOWTIME - ENDTIME) > (ENDTIME - STARTTIME) )) && [[ -f "/usr/share/planefence/persist/.internal/noisecapt-$FENCEDATE.log" ]] && [[ "$(awk -v s="$STARTTIME" -v e="$ENDTIME" '$1>=s && $1<=e' /usr/share/planefence/persist/.internal/noisecapt-"$FENCEDATE".log | wc -l)" -gt "0" ]]
then
if (( (NOWTIME - ENDTIME) > (ENDTIME - STARTTIME) )) && [[ -f "/usr/share/planefence/persist/.internal/noisecapt-$FENCEDATE.log" ]] && [[ "$(awk -v s="$STARTTIME" -v e="$ENDTIME" '$1>=s && $1<=e' /usr/share/planefence/persist/.internal/noisecapt-"$FENCEDATE".log | wc -l)" -gt "0" ]]; then
#echo debug gnuplot start=$STARTTIME end=$ENDTIME infile=/usr/share/planefence/persist/.internal/noisecapt-$FENCEDATE.log outfile=$NOISEGRAPHFILE
gnuplot -e "offset=$(echo "$(date +%z) * 36" | sed 's/+[0]\?//g' | bc); start=$STARTTIME; end=$ENDTIME; infile='/usr/share/planefence/persist/.internal/noisecapt-$FENCEDATE.log'; outfile='$NOISEGRAPHFILE'; plottitle='$TITLE'; margin=60" $PLANEFENCEDIR/noiseplot.gnuplot
else
Expand All @@ -340,17 +335,26 @@ EOF

# Step 5/5. Get a spectrogram
# (only when we are printing noise data, and there's actual data in this record)
if [[ "$HASNOISE" == "true" ]] && [[ "${NEWVALUES[7]}" != "" ]]
then
if [[ "$HASNOISE" == "true" ]] && [[ "${NEWVALUES[7]}" != "" ]]; then
STARTTIME=$(date +%s -d "${NEWVALUES[2]}")
ENDTIME=$(date +%s -d "${NEWVALUES[3]}")
(( ENDTIME - STARTTIME < 30 )) && ENDTIME=$(( STARTTIME + 30 ))
[[ -f "/usr/share/planefence/persist/.internal/noisecapt-$FENCEDATE.log" ]] && SPECTROFILE=noisecapt-spectro-$(date -d "@$(awk -F, -v a="$STARTTIME" -v b="$ENDTIME" 'BEGIN{c=-999; d=0}{if ($1>=0+a && $1<=1+b && $2>0+c) {c=$2; d=$1}} END{print d}' /usr/share/planefence/persist/.internal/noisecapt-"$FENCEDATE".log)" +%y%m%d-%H%M%S).png || SPECTROFILE=""
# go get it from the remote server:
# debug code: echo $REMOTENOISE/$SPECTROFILE to $OUTFILEDIR/$SPECTROFILE
if ! curl --fail -s "$REMOTENOISE/$SPECTROFILE" > "$OUTFILEDIR/$SPECTROFILE"; then SPECTROFILE=""; fi
else
SPECTROFILE=""

# get the measurement from noisecapt-"$FENCEDATE".log that contains the peak value
# limited by $STARTTIME and $ENDTIME, and then get the corresponding spectrogram file name
spectrotime="$(awk -F, -v a="$STARTTIME" -v b="$ENDTIME" 'BEGIN{c=-999; d=0}{if ($1>=0+a && $1<=1+b && $2>0+c) {c=$2; d=$1}} END{print d}' /usr/share/planefence/persist/.internal/noisecapt-"$FENCEDATE".log)"
sf="noisecapt-spectro-$(date -d "@${spectrotime}" +"%y%m%d-%H%M%S").png"

if [[ ! -s "$OUTFILEDIR/$sf" ]]; then
# we don't have $sf locally, or if it's an empty file, we get it:
curl -sL "$REMOTENOISE/$sf" > "$OUTFILEDIR/$sf"
fi
# shellcheck disable=SC2012
if [[ ! -s "$OUTFILEDIR/$sf" ]] || (( $(ls -s1 "$OUTFILEDIR/$sf" | awk '{print $1}') < 10 )); then
# we don't have $sf (or it's an empty file) and we can't get it; so let's erase it in case it's an empty file:
rm -f "$OUTFILEDIR/$sf"
sf=""
fi
fi

# --------------------------------------------------------------
Expand All @@ -364,8 +368,7 @@ EOF
# why check for non-printable characters, the file we process is trusted, if there are non-printable chars, fix the input file generation instead of this band-aid
printf " <td><a href=\"%s\" target=\"_blank\">%s</a></td>\n" "${NEWVALUES[6]}" "${NEWVALUES[0]}" >&3 # ICAO
printf " <td><a href=\"%s\" target=\"_blank\">%s</a></td>\n" "https://flightaware.com/live/modes/${NEWVALUES[0]}/ident/${CALLSIGN}/redirect" "${CALLSIGN}" >&3 # Flight number; strip "@" if there is any at the beginning of the record
if [[ "$AIRLINECODES" != "" ]]
then
if [[ "$AIRLINECODES" != "" ]]; then
if [[ "${CALLSIGN}" != "" ]] && [[ "${CALLSIGN}" != "link" ]]; then

# look up callsign in associative array to get the airline name
Expand All @@ -382,15 +385,13 @@ EOF
fi

# update associative array to be written to disk
if [[ -z ${AIRLINENAME} ]]
then
if [[ -z ${AIRLINENAME} ]]; then
NEWNAMES[${CALLSIGN}]="UNKNOWN"
else
NEWNAMES[${CALLSIGN}]="${AIRLINENAME}"
fi

if [[ $CALLSIGN =~ ^N[0-9][0-9a-zA-Z]+$ ]] && [[ "${CALLSIGN:0:4}" != "NATO" ]] && [[ "${NEWVALUES[0]:0:1}" == "A" ]]
then
if [[ $CALLSIGN =~ ^N[0-9][0-9a-zA-Z]+$ ]] && [[ "${CALLSIGN:0:4}" != "NATO" ]] && [[ "${NEWVALUES[0]:0:1}" == "A" ]]; then
printf " <td><a href=\"https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=%s\" target=\"_blank\">%s</a></td>\n" "${CALLSIGN}" "${AIRLINENAME}" >&3
else
printf " <td>%s</td>\n" "${AIRLINENAME}" >&3 || printf " <td></td>\n" >&3
Expand All @@ -405,13 +406,10 @@ EOF
printf " <td>%s %s</td>\n" "${NEWVALUES[5]}" "$DISTUNIT" >&3 # min distance

# Print the noise values if we have determined that there is data
if [[ "$HASNOISE" == "true" ]]
then
if [[ "$HASNOISE" == "true" ]]; then
# First the loudness field, which needs a color and a link to a noise graph:
if [[ "$LOUDNESS" != "" ]]
then
if [[ "$NOISEGRAPHLINK" != "" ]]
then
if [[ -n "$LOUDNESS" ]]; then
if [[ -n "$NOISEGRAPHLINK" ]]; then
printf " <td style=\"background-color: %s\"><a href=\"%s\" target=\"_blank\">%s dB</a></td>\n" "$BGCOLOR" "$NOISEGRAPHLINK" "$LOUDNESS" >&3
else
printf " <td style=\"background-color: %s\">%s dB</td>\n" "$BGCOLOR" "$LOUDNESS" >&3
Expand All @@ -420,37 +418,30 @@ EOF
printf " <td></td>\n" >&3 # print an empty field
fi

for i in {7..11}
do
if [[ "${NEWVALUES[i]}" != "" ]]
then
for i in {7..11}; do
if [[ "${NEWVALUES[i]}" != "" ]]; then
printf " <td>%s dBFS</td>\n" "${NEWVALUES[i]}" >&3 # print actual value with "dBFS" unit
else
printf " <td></td>\n" >&3 # print an empty field
fi
done

# print SpectroFile:
if [[ "$SPECTROPRINT" == "true" ]]
then
if [[ -f "$OUTFILEDIR/$SPECTROFILE" ]]
then
printf " <td><a href=\"%s\" target=\"_blank\">Spectrogram</a></td>\n" "$SPECTROFILE" >&3
if [[ "$SPECTROPRINT" == "true" ]]; then
if [[ -n "$sf" ]] && [[ -f "$OUTFILEDIR/$sf" ]]; then
printf " <td><a href=\"%s\" target=\"_blank\">Spectrogram</a></td>\n" "$sf" >&3
else
printf " <td></td>\n" >&3
fi
fi
fi

# If there is a tweet value, then provide info and link as available
if [[ "$HASTWEET" == "true" ]]
then
if [[ "$HASTWEET" == "true" ]]; then
# Was there a tweet?
if [[ "${NEWVALUES[1]::1}" == "@" ]]
then
if [[ "${NEWVALUES[1]::1}" == "@" ]]; then
# Print "yes" and add a link if available
if [[ "${NEWVALUES[-1]::13}" == "https://t.co/" ]]
then
if [[ "${NEWVALUES[-1]::13}" == "https://t.co/" ]]; then
printf " <td><a href=\"%s\" target=\"_blank\">tweet</a></td>\n" "$(tr -dc '[[:print:]]' <<< "${NEWVALUES[-1]}")" >&3
else
printf " <td>discord</td>\n" >&3
Expand Down Expand Up @@ -850,8 +841,7 @@ gtag('config', 'UA-171737107-1');
<script type="text/javascript" src="sort-table.js"></script>
EOF

if [[ "${AUTOREFRESH,,}" == "true" ]]
then
if [[ "${AUTOREFRESH,,}" == "true" ]]; then
REFRESH_INT="$(sed -n 's/\(^\s*PF_INTERVAL=\)\(.*\)/\2/p' /usr/share/planefence/persist/planefence.config)"
cat <<EOF >>"$OUTFILEHTMTMP"
<meta http-equiv="refresh" content="$REFRESH_INT">
Expand Down

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