2015-02-05 10:23:01 +00:00
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############################
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# Display the current voc (volatile organic compounds) value in three color gradients.
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# Corresponding FileLog definition:
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# define <fileLogDefinitionName> FileLog ./log/co20-%Y-%m.log <co20 sensor name>
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# define <webLinkDefinitionName> SVG <fileLogDefinitionName>:co20:CURRENT
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# attr <webLinkDefinitionName> label "Air quality - Min $data{min1}, Max $data{max1}, Last $data{currval1}"
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2022-03-07 08:45:37 +00:00
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set readonly
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2015-02-05 10:23:01 +00:00
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set terminal png transparent size <SIZE> crop
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set output '<OUT>.png'
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set xdata time
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set timefmt "%Y-%m-%d_%H:%M:%S"
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set xlabel " "
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set title '<L1>'
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set ytics "good" 750, "ok" 1250, "bad" 1750
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set y2tics "" 1000,"" 1500
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set grid y2tics
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set ylabel ""
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set y2label "Air quality (ppm)"
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set yrange [450:2000]
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set y2range [450:2000]
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#FileLog 4:voc::
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#FileLog 4:voc::$fld[3]>1000?1000:$fld[3]
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#FileLog 4:voc::$fld[3]>1500?1500:$fld[3]
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#FileLog 4:voc::$fld[3]>2000?2000:$fld[3]
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plot "<IN>" using 1:2 axes x1y2 title 'Air quality (ppm)' ls l5 lw 0.2 with lines,\
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"<IN>" using 1:2 axes x1y2 title ' ' ls l1fill lw 0.2 with lines,\
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"<IN>" using 1:2 axes x1y2 title ' ' ls l4fill lw 0.2 with lines,\
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"<IN>" using 1:2 axes x1y2 title ' ' ls l0fill lw 0.2 with lines
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