-set terminal pngcairo mono size 600,800
+if ( gray == 1 ) {
+# set terminal pngcairo mono size 600,800
+ set terminal pngcairo color size 600,800
+} else {
+ set terminal pngcairo color size 1200,600
+}
set xdata time
set timefmt "%s"
+if (strlen(interval) > 2) {
+ set xtics format "%H"
+} else {
+ set xtics format "%H:%M"
+}
+
set pointsize 0.2
set output '/dev/shm/temp2.png'
+unset border
+
set multiplot
-set size 1, 0.5
-set origin 0.0, 0.5
-plot "/dev/shm/DS18B20-temperature" using 1:2 with points title "DS18B20 deg. C","/dev/shm/DHT22-temperature" using 1:($2 > 1 && $2 < 45 ? $2 : '') with dots title "DHT22 deg. C"
+if ( gray == 1 ) {
+ set size 1, 0.5
+ set origin 0.0, 0.5
+} else {
+ set size 1.0, 0.5
+ set origin 0.0, 0.5
+}
+
+#if ( ! exists("t_mean")) {
+if (1) {
+
+t_mean=25
+t_spread=25
+
+h_mean = 50
+h_spread = 50
+
+print "using default mean and spread"
+}
+
+min_t = t_mean - ( t_spread / 2 )
+max_t = t_mean + ( t_spread / 2 )
+
+if ( ! exists("tz_secs") ) {
+ tz_secs=7200
+}
+
+set ytics nomirror
+set y2tics
+
+plot \
+ "/dev/shm/DHT22-temperature" using ($1+tz_secs):($2 > min_t && $2 < max_t ? $2 : '') with dots title "DHT22 unutra" \
+,"/dev/shm/rtl_433-9-172-temperature" using ($1+tz_secs):($2) with dots title "vani" \
+,"/dev/shm/rtl_433-9-75-temperature" using ($1+tz_secs):($2) with dots title "kupaona" \
+,"/dev/shm/rtl_433-9-141-temperature" using ($1+tz_secs):($2) with dots title "kuhinja" \
+,"/dev/shm/DS18B20-temperature" using ($1+tz_secs):($2 > min_t && $2 < max_t ? $2 : '') with dots title "DS18B20 unutra" \
+,"/dev/shm/rtl_433-183-temperature" using ($1+tz_secs):($2) with dots title "soba" lt rgb "#808000"
+
+
+if ( exists("lines") && lines == 1 ) {
+plot \
+ "/dev/shm/DHT22-temperature" using ($1+tz_secs):($2 > min_t && $2 < max_t ? $2 : '') with lines title "DHT22 unutra" \
+,"/dev/shm/rtl_433-9-172-temperature" using ($1+tz_secs):($2) with lines title "vani" \
+,"/dev/shm/rtl_433-9-75-temperature" using ($1+tz_secs):($2) with lines title "kupaona" \
+,"/dev/shm/rtl_433-9-141-temperature" using ($1+tz_secs):($2) with lines title "kuhinja" \
+,"/dev/shm/DS18B20-temperature" using ($1+tz_secs):($2 > min_t && $2 < max_t ? $2 : '') with lines title "DS18B20 unutra" \
+,"/dev/shm/rtl_433-183-temperature" using ($1+tz_secs):($2) with lines title "soba" lt rgb "#808000"
+}
+
+if ( gray == 1 ) {
+ set origin 0.0, 0.0
+} else {
+ set origin 0.0, 0.0
+}
-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:($2 > 3 ? $2 : '') with dots title "DHT22 % hum"
+plot \
+ "/dev/shm/DHT22-humidity" using ($1+tz_secs):($2 > min_h && $2 < max_h ? $2 : '') with dots title "DHT22 unutra" \
+,"/dev/shm/rtl_433-9-172-humidity" using ($1+tz_secs):($2) with lines title "vani" \
+,"/dev/shm/rtl_433-9-75-humidity" using ($1+tz_secs):($2) with lines title "kupaona" \
+,"/dev/shm/rtl_433-9-141-humidity" using ($1+tz_secs):($2) with lines title "kuhunja"
unset multiplot