Mercurial > ~darius > hgwebdir.cgi > wh1080

annotate plots/plot5 @ 7:9a14029b3782

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- Wait longer (100msec) for a read, and reduce the number of retries to match. - Print out if we read OK after more than 1 attempt for diagnostic purposes.
author Daniel O'Connor <darius@dons.net.au>
date Thu, 11 Feb 2010 12:47:59 +1030
parents 9dab44dcb331
children
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0
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1 #!/usr/local/bin/bash
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2 #
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3 # $Id: plot5,v 1.1 2010/01/10 06:13:52 grog Exp grog $
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4 #
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5 # Generate comparative temperature plots for 5 consecutive days.
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6 # These may need changing
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7 STATION=Dereel
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8 TABLE=observations
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9 COMMON=/home/grog/src/weather/WH-1080/plots/plot-common3.gnuplot
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10 GRAPHFILE=/var/tmp/myplot.foo
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11 OUTFILE=/home/grog/public_html/weather/myplot.png
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12
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13 # Generate some constants.
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14 # Calculate time zone offset from UTC
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15 # Convert to seconds at UTC
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16 NOW=`date +%Y%m%d%H%M`
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17 UTC=`TZ=GMT date -j $NOW +%s`
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18 # And in local time zone
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19 LOCAL=`date -j $NOW +%s`
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20 # The difference is the time zone offset.
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21 TZOFFSET=`expr $UTC - $LOCAL`
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22 # Number of seconds in a day
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23 DAYSECS=86400
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24 # 2000-1-1 0:0:0 UTC, the gnuplot epoch. Or so it should be, but for
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25 # some reason my plots come out offset by 2 hours. Use GNUFUDGE until
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26 # I find out why.
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27 GNUFUDGE=7200
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28 Y2K=`expr 946684800`
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29 MY2K=`expr $Y2K + $TZOFFSET + $GNUFUDGE`
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30 # End of constant generation
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31
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32 # Get the last date for this graph.
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33 if [ $# -ge 1 ]; then
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34 ENDDATE=$1
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35 else
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36 ENDDATE=`date +%Y-%m-%d`
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37 fi
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38 # echo S $ENDDATE
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39 # Frob these values
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40 ENDTIME=`date -j -f "%F %T" "$ENDDATE 0:0:0" +%s`
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41 # start 4 days earlier
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42 STARTTIME=`expr $ENDTIME - $DAYSECS \* 4`
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43 # Adjust to gnu epoch
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44 GNUSTART=`expr $STARTTIME - $Y2K - $TZOFFSET - $GNUFUDGE`
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45 # echo $ENDTIME - $Y2K - $TZOFFSET - $GNUFUDGE
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46
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47 # echo end $ENDTIME start $STARTTIME
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48 XTICS=10800 # tics every 3 hours
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49
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50 # echo DATE $STARTDATE ENDDATE $ENDDATE GNUEND $GNUEND DURATION $DURATION XTICS $XTICS
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51
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52 # **************************************************
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53 # End of setup crap
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54 # **************************************************
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55
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56 # Do the query
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57 # Offset of day from FOO
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58 OFFSET=`expr $Y2K + $TZOFFSET + $GNUFUDGE`
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59 # echo O $OFFSET S $STARTTIME
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60 for i in 1 2 3 4 5; do
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61 DAY=`date -r $STARTTIME +"%Y-%m-%d"`
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62 DAY[$i]=`date -r $STARTTIME +"%e %b"`
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63 # echo i $i DAY $DAY
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64 echo "SELECT unix_timestamp(timestamp(date, time))-$OFFSET, outside_temp from $TABLE WHERE station_id = '$STATION' and date ='$DAY' ORDER by time;" | \
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65 mysql weather > $GRAPHFILE.$i
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66 STARTTIME=`expr $STARTTIME + $DAYSECS` # next day
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67 OFFSET=`expr $OFFSET + $DAYSECS` # next day
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68 done
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69
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70 # And the plot
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71
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72 GRAPHSIZE="375,250"
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73 OUTFILE=$HTML/5days-$ENDDATE-small.png
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74 ( cat $COMMON
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75 cat << EOF
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76 set title "Daily temperature comparison"
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77 set ylabel "Temperature (°C)"
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78 plot "GRAPHFILE.1" using 1:2 title "${DAY[1]}" with lines smooth bezier, \
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79 "GRAPHFILE.2" using 1:2 title "${DAY[2]}" with lines smooth bezier, \
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80 "GRAPHFILE.3" using 1:2 title "${DAY[3]}" with lines smooth bezier, \
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81 "GRAPHFILE.4" using 1:2 title "${DAY[4]}" with lines smooth bezier, \
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82 "GRAPHFILE.5" using 1:2 title "${DAY[5]}" with lines smooth bezier
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83 EOF
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84 ) | sed "s:MIDNIGHT:$GNUSTART:; s:ENDTIME:$GNUEND:; s:GRAPHFILE:$GRAPHFILE:g; s:SIZE:$GRAPHSIZE:; s:OUTFILE:$OUTFILE:; s:SMOOTHED: (smoothed):; s:SMOOTH:smooth bezier:; s:XTICS:$XTICS:" | \
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85 gnuplot
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86 chmod 666 $OUTFILE
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87
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88 GRAPHSIZE="1024,720"
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89 OUTFILE=$HTML/5days-$ENDDATE-big.png
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90 ( cat $COMMON
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91 cat << EOF
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92 set title "Daily temperature comparison"
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93 set ylabel "Temperature (°C)"
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94 plot "GRAPHFILE.1" using 1:2 title "${DAY[1]}" with lines smooth bezier, \
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95 "GRAPHFILE.2" using 1:2 title "${DAY[2]}" with lines smooth bezier, \
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96 "GRAPHFILE.3" using 1:2 title "${DAY[3]}" with lines smooth bezier, \
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97 "GRAPHFILE.4" using 1:2 title "${DAY[4]}" with lines smooth bezier, \
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98 "GRAPHFILE.5" using 1:2 title "${DAY[5]}" with lines smooth bezier
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99 EOF
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100 ) | sed "s:MIDNIGHT:$GNUSTART:; s:ENDTIME:$GNUEND:; s:GRAPHFILE:$GRAPHFILE:g; s:SIZE:$GRAPHSIZE:; s:OUTFILE:$OUTFILE:; s:SMOOTHED: (smoothed):; s:SMOOTH:smooth bezier:; s:XTICS:$XTICS:" | \
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101 gnuplot
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102 chmod 666 $OUTFILE
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103
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104 for i in 1 2 3 4 5; do
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
105 rm $GRAPHFILE.$i
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz
Daniel O'Connor <darius@dons.net.au>
parents:
diff changeset
106 done