color gray, /temp2.sh?gray for kindle grayscale version

[vaillant-thermostat] / temp2.gnuplot

diff --git a/temp2.gnuplot b/temp2.gnuplot
index 42c988d..764ad17 100644 (file)
--- a/temp2.gnuplot
+++ b/temp2.gnuplot
@@ -1,4 +1,8 @@
-set terminal pngcairo color size 600,800
+if ( ! exists("mono") ) {
+       set terminal pngcairo color size 600,800
+} else {
+       set terminal pngcairo mono size 600,800
+}
 
 set xdata time
 set timefmt "%s"
@@ -9,6 +13,8 @@ set pointsize 0.2
 
 set output '/dev/shm/temp2.png'
 
+unset border
+
 set multiplot
 set size 1, 0.5
 
@@ -33,7 +39,7 @@ 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
+,"/dev/shm/rtl_433-temperature" using ($1+7200):($2) with dots title "RTL433 deg. C"
 
 set origin 0.0, 0.0
 
@@ -42,6 +48,6 @@ 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" \
-,"/dev/shm/rtl_433-humidity" using ($1+7200):($2) with dots title "RTL433 % hum" axis x1y2
+,"/dev/shm/rtl_433-humidity" using ($1+7200):($2) with dots title "RTL433 % hum" 
 
 unset multiplot