Hi!
Can someone give me a hint how a chart over a group item will also display sub-groups?
I am trying to aggregate room temperature values in rooms with multiple sensors, but no value is shown in the chart at all for this rooms. I am aware of the constraint that “all members of this group will be persisted, but not the group itself”. But does this also mean sub-groups are not persisted, even when they use aggregate functions? How can I make sure that this happens?
Thank you for your support!
I am using following structure:
Group Heizung "Heizung" <heating>
Group IstTemperatur "Temperatur" <temperature>
Group:Number:AVG IstTemperaturZimmer "Temperatur Zimmer [%.1f°C]" <temperature> (IstTemperatur, Heizung)
Group:Number:AVG IstTemperaturZimmerEG "Temperatur EG [%.1f°C]" <temperature> (IstTemperaturZimmer)
Group:Number:AVG IstTemperaturEGWohnen "Temperatur EG Wohnen [%.1f°C]" <temperature> (IstTemperaturZimmerEG)
Group:Number:AVG IstTemperaturEGFlur "Temperatur EG Flur [%.1f°C]" <temperature> (IstTemperaturZimmerEG)
Number IstTemperaturEGBadHeizungNone "EG Bad [%.1f°C]" <temperature> (IstTemperaturZimmerEG) { channel="knx:device:IPIF:OTHER:IstTemperaturEGBadHeizungNone" }
Number IstTemperaturEGBroHeizungNone "EG Büro [%.1f°C]" <temperature> (IstTemperaturZimmerEG) { channel="knx:device:IPIF:OTHER:IstTemperaturEGBroHeizungNone" }
Number IstTemperaturEGEingangHeizungNone "EG Flur Eingang [%.1f°C]" <temperature> (IstTemperaturEGFlur) { channel="knx:device:IPIF:OTHER:IstTemperaturEGEingangHeizungNone" }
Number IstTemperaturEGFlurHeizungNone "EG Flur Mitte [%.1f°C]" <temperature> (IstTemperaturEGFlur) { channel="knx:device:IPIF:OTHER:IstTemperaturEGFlurHeizungNone" }
Number IstTemperaturEGWohnenHeizungTre "EG Wohnen Tür [%.1f°C]" <temperature> (IstTemperaturEGWohnen) { channel="knx:device:IPIF:OTHER:IstTemperaturEGWohnenHeizungTre" }
Number IstTemperaturEGWohnenHeizungWintergarten "EG Wohnen WG [%.1f°C]" <temperature> (IstTemperaturEGWohnen) { channel="knx:device:IPIF:OTHER:IstTemperaturEGWohnenHeizungWintergarten" }
While EG Bad and Büro (which are items, not groups) are shown in the chart over group IstTemperaturZimmerEG, the sub-groups IstTemperaturEGWohnen and IstTemperaturEGFlur do not appear. Everything inside IstTemperatur and Heizung is getting persisted to rrd4j:
Items {
Heizung*,
IstTemperatur*,
PersistRRD4J* : strategy = everyChange, everyMinute
}
Sitemap entry:
Chart item=IstTemperaturZimmerEG period=D refresh=180000 service="rrd4j"
- Platform information:
- Hardware: Synology DS716+
- OS: DSM 6.2.2-24922 Update 4 with Docker 18.09.0-0506
- Java Runtime Environment: The one within openhab/openhab:2.5.0-amd64-debian
- openHAB version: 2.5 (openhab/openhab:2.5.0-amd64-debian)