more gnuplotting

viz/gnuplot/av4v-h.awk

@@ -0,0 +1,34 @@
+#!/usr/bin/awk -f
+
+BEGIN	{
+	flag_debut = 1;
+	lasthour   = 0;
+	cumul      = 0.0;
+	compte     = 0;
+	}
+
+# iterate over all the input lines
+	{
+	if (flag_debut) {
+		debut = $1
+		flag_debut = 0
+		}
+	heures = int(($1-debut) / 3600);
+	if (heures == lasthour) {
+		val = ($2 + $3 + $4 + $5);
+		cumul += val;
+		compte += 4;
+		}
+	else	{
+		val = cumul /compte;	
+		print heures, val;
+		lasthour = heures;
+		cumul = 0;
+		compte = 0;
+		}
+	}
+
+
+
+
+

viz/gnuplot/plot-one.sh

@@ -1,20 +1,22 @@
 #!/bin/bash
 
 INFILE="../../serial/foo.dat"
-NBLINES=2000
+NBLINES=1600
 TMPFILE="/tmp/dd2data.$$"
-IMAGE="average4v.png"
+IMAGE="av4v-m.png"
 
 tail -${NBLINES} ${INFILE} | ./average4v.awk > ${TMPFILE}
 
 gnuplot << __EOC__
-set term png 	size 800,600
+set term png 	size 1280,420
 set output 	"${IMAGE}"
 set grid
-set title	"Average4v"
-set xlabel	"minutes"
-set ylabel 	"température"
+set title	"Average on the last ${NBLINES} samples"
+set xlabel	"Minutes"
+set ylabel 	"Température"
 set yrange	[ 5.0 : 30.0]
 plot "${TMPFILE}" with lines
 __EOC__
 
+tail -20 ${TMPFILE}
+

viz/gnuplot/plot-two.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+INFILE="../../serial/foo.dat"
+NBLINES=50000
+TMPFILE="/tmp/dd2data.$$"
+IMAGE="av4v-h.png"
+
+tail -${NBLINES} ${INFILE} | ./av4v-h.awk > ${TMPFILE}
+
+gnuplot << __EOC__
+set term png 	size 1280,420
+set output 	"${IMAGE}"
+set grid
+set title	"Hourly average on the last ${NBLINES} samples"
+set xlabel	"Heures"
+set ylabel 	"Température"
+set yrange	[ 5.0 : 30.0]
+plot "${TMPFILE}" with lines
+__EOC__
+
+cat -n ${TMPFILE} | tail -20
+