Chart show 2 temperature sitemap

how can I show “Temperature” and Tout" in 1 chart?
I add Temperature and Tout in a group “Temperatures” in .Item but if I replace to Temperature, The chart is not visible

Text label=“Grafici” icon=“temperature” {
Switch item=Chart_Period label="" mappings=[1=“Day”, 2=“Week”, 3=“Month”, 4=“4 Months” ]
Chart item=Temperature period=D refresh=30000 visibility=[Chart_Period==1, Chart_Period==“Uninitialized”]
Chart item=Temperature period=W refresh=21600000 visibility=[Chart_Period==2] //week
Chart item=Temperature period=M refresh=21600000 visibility=[Chart_Period==3] //month
Chart item=Temperature period=4M refresh=86400000 visibility=[Chart_Period==4]//4 month

                            Chart item=Tout period=D refresh=30000 visibility=[Chart_Period==1, Chart_Period=="Uninitialized"]  
			Chart item=Tout period=W refresh=21600000 visibility=[Chart_Period==2] //week
			Chart item=Tout period=M refresh=21600000 visibility=[Chart_Period==3] //month
			Chart item=Tout period=4M refresh=86400000 visibility=[Chart_Period==4]//4 month

Maybe csn u show the parts of your.items

my full .item

sitemap test label=“Relase 0.1”
{

Frame {
	
		
		Switch item=CANCELLINO mappings=[ON="APRI"] icon=door-closed
		Switch item=PORTONE mappings=[ON="APRI"] icon=door-closed
                    Text item=Temperature                                        
		Text item=Umidita
                    Text item=Tout                                       
		Text item=Uout
                    Colorpicker item=RGB
                    Text label="Grafici" icon="temperature" {
			Switch item=Chart_Period label="" mappings=[1="Day", 2="Week", 3="Month", 4="4 Months" ] 
			Chart item=Temperature period=D refresh=30000 visibility=[Chart_Period==1, Chart_Period=="Uninitialized"]  
			Chart item=Temperature period=W refresh=21600000 visibility=[Chart_Period==2] //week
			Chart item=Temperature period=M refresh=21600000 visibility=[Chart_Period==3] //month
			Chart item=Temperature period=4M refresh=86400000 visibility=[Chart_Period==4]//4 month
            
                            Chart item=Tout period=D refresh=30000 visibility=[Chart_Period==1, Chart_Period=="Uninitialized"]  
			Chart item=Tout period=W refresh=21600000 visibility=[Chart_Period==2] //week
			Chart item=Tout period=M refresh=21600000 visibility=[Chart_Period==3] //month
			Chart item=Tout period=4M refresh=86400000 visibility=[Chart_Period==4]//4 month
                            
			Chart item=Umidita period=D refresh=30000 visibility=[Chart_Period==1, Chart_Period=="Uninitialized"]  
			Chart item=Umidita period=W refresh=21600000 visibility=[Chart_Period==2] //week
			Chart item=Umidita period=M refresh=21600000 visibility=[Chart_Period==3] //month
			Chart item=Umidita period=4M refresh=86400000 visibility=[Chart_Period==4]//4month
            
                            Chart item=Uout period=D refresh=30000 visibility=[Chart_Period==1, Chart_Period=="Uninitialized"]  
			Chart item=Uout period=W refresh=21600000 visibility=[Chart_Period==2] //week
			Chart item=Uout period=M refresh=21600000 visibility=[Chart_Period==3] //month
			Chart item=Uout period=4M refresh=86400000 visibility=[Chart_Period==4]//4month
		}				
            } 
}

end full .sitemap

Group All
Group gD (All)
Group Node0 (All)
Group Node1 (All)
Group Node2 (All)
Group Ingresso (All)
Group Cucina (All)
Group temperatures (All)
Group humiditys (All)

Switch CANCELLINO “CANCELLINO” (Ingresso, Node0) {souliss=“T11:0:2”, autoupdate=false}
Switch PORTONE “PORTONE” (Ingresso, Node0) {souliss=“T11:0:3”, autoupdate=false}
Number Temperature “Temperatura P.Terra [%.1f °C]” (temperatures, Node0) {souliss=“T52:0:4”}
Number Umidita “Umidità P.Terra[%.1f %%]” (humiditys, Node0) {souliss=“T53:0:6”}

Number Tout “Temperatura Fuori [%.1f °C]” (temperatures, Node1) {souliss=“T52:1:0”}
Number Uout “Umidità Fuori [%.1f %%]” (humiditys, Node1) {souliss=“T53:1:2”}

Color RGB “RGB” (Cucina,Node2) {souliss=“T16:2:0”, autoupdate=false}

Number HEALTHNodo0 “Health Node 0 [%1d]” (Diagnostic, TechnicView_Node0, Health) {souliss=“D98:0:998”}
String TIMESTAMP_Nodo0 “Update Node 0 [%1$td.%1$tm.%1$tY %1$tk:%1$tM:%1$tS]” (Diagnostic, TechnicView_Node0) {souliss=“D99:0:999”}

Number Chart_Period “Chart Period”

I don’t see a chart in your sitemap where you do a chart with your group “temperatures” there is just “Temperature”

ok I can see 1 temperature im 1 chart.
if I use this sitemap i don t see nothing (no graphic no line)
sitemap test label=“Relase 0.1”
{

Frame {
	
		
		Switch item=CANCELLINO mappings=[ON="APRI"] icon=door-closed
		Switch item=PORTONE mappings=[ON="APRI"] icon=door-closed
                    Text item=Temperature                                        
		Text item=Umidita
                    Text item=Tout                                       
		Text item=Uout
                    Colorpicker item=RGB
                    Text label="Grafici" icon="temperature" {
			Switch item=Chart_Period label="" mappings=[1="Day", 2="Week", 3="Month", 4="4 Months" ] 
			Chart item=Temperatures period=D refresh=30000 visibility=[Chart_Period==1, Chart_Period=="Uninitialized"]  
			Chart item=Temperatures period=W refresh=21600000 visibility=[Chart_Period==2] //week
			Chart item=Temperatures period=M refresh=21600000 visibility=[Chart_Period==3] //month
			Chart item=Temperatures period=4M refresh=86400000 visibility=[Chart_Period==4]//4 month
            
                        
                            
			Chart item=humiditys period=D refresh=30000 visibility=[Chart_Period==1, Chart_Period=="Uninitialized"]  
			Chart item=humiditys period=W refresh=21600000 visibility=[Chart_Period==2] //week
			Chart item=humiditys period=M refresh=21600000 visibility=[Chart_Period==3] //month
			Chart item=humiditysperiod=4M refresh=86400000 visibility=[Chart_Period==4]//4month
            
		}				
            } 
}

And how is your persistence settings?

Check also How to display charts in sitemaps? where the same topic is discussed

my rrd4j.persist

// persistence strategies have a name and a definition and are referred to in the “Items” section
Strategies {
// for rrd charts, we need a cron strategy
everyMinute : “0 * * * * ?”

}

Items {
Temperature : strategy = everyMinute
Umidita : strategy = everyMinute
Tout: strategy = everyMinute
Uout : strategy = everyMinute
}

I think you need to put in a persistence value for “Temperatures”

// persist all items once a day and on every change and restore them from the db at startup
* : strategy = everyChange, everyDay, restoreOnStartup

would be good

Please have in mind that rrd4j only works reliable with everyMinute.