send headers at the end, after generating images

[vaillant-thermostat] / temp.gnuplot

diff --git a/temp.gnuplot b/temp.gnuplot
index a8a2006..50a476b 100644 (file)
--- a/temp.gnuplot
+++ b/temp.gnuplot
@@ -6,10 +6,10 @@ set timefmt "%s"
 set pointsize 0.2
 
 set output '/dev/shm/1.png'
-plot "/dev/shm/temp.tsv" using 1:2 with points title "DS18B20 deg. C"
+plot "/dev/shm/temp.tsv" using 1:2 with points title "DS18B20 deg. C","/dev/shm/temp.tsv" using 1:($3 > 1 && $3 < 45 ? $3 : '') with dots title "DHT22 deg. C"
 
 set output '/dev/shm/2.png'
-plot "/dev/shm/temp.tsv" using 1:($3 > 1 ? $3 : '') with dots title "DHT22 deg. C"
+plot "/dev/shm/temp.tsv" using 1:($3 > 1 && $3 < 45 ? $3 : '') with dots title "DHT22 deg. C"
 
 set output '/dev/shm/3.png'
 plot "/dev/shm/temp.tsv" using 1:($4 > 3 ? $4 : '') with dots title "DHT22 % hum"