draw rtl 433mhz data on y2 axis with separate scale

[vaillant-thermostat] / temp2.gnuplot

diff --git a/temp2.gnuplot b/temp2.gnuplot
index 028c94e..42c988d 100644 (file)
--- a/temp2.gnuplot
+++ b/temp2.gnuplot
@@ -1,4 +1,4 @@
-set terminal pngcairo mono size 600,800
+set terminal pngcairo color size 600,800
 
 set xdata time
 set timefmt "%s"
@@ -16,8 +16,8 @@ set origin 0.0, 0.5
 
 if ( ! exists("t_mean")) {
 
-t_mean=26
-t_spread=5
+t_mean=25
+t_spread=25
 
 h_mean = 50
 h_spread = 30
@@ -28,7 +28,12 @@ print "using default mean and spread"
 min_t = t_mean - t_spread
 max_t = t_mean + t_spread
 
-plot "/dev/shm/DS18B20-temperature" using ($1+7200):($2 > min_t && $2 < max_t ? $2 : '') with dots title "DS18B20 deg. C","/dev/shm/DHT22-temperature" using ($1+7200):($2 > min_t && $2 < max_t ? $2 : '') with dots title "DHT22 deg. C"
+set ytics nomirror
+set y2tics
+
+plot "/dev/shm/DS18B20-temperature" using ($1+7200):($2 > min_t && $2 < max_t ? $2 : '') with dots title "DS18B20 deg. C" \
+,"/dev/shm/DHT22-temperature" using ($1+7200):($2 > min_t && $2 < max_t ? $2 : '') with dots title "DHT22 deg. C" \
+,"/dev/shm/rtl_433-temperature" using ($1+7200):($2) with dots title "RTL433 deg. C" axes x1y2
 
 set origin 0.0, 0.0
 
@@ -36,6 +41,7 @@ set origin 0.0, 0.0
 min_h = h_mean - h_spread
 max_h = h_mean + h_spread
 
-plot "/dev/shm/DHT22-humidity" using ($1+7200):($2 > min_h && $2 < max_h ? $2 : '') with dots title "DHT22 % hum"
+plot "/dev/shm/DHT22-humidity" using ($1+7200):($2 > min_h && $2 < max_h ? $2 : '') with dots title "DHT22 % hum" \
+,"/dev/shm/rtl_433-humidity" using ($1+7200):($2) with dots title "RTL433 % hum" axis x1y2
 
 unset multiplot