How to combine sensors in single graph?

number3 · Post by **number3** » Saturday 08 November 2014 15:19

Is it possible to combine a Tempearture Sensor and let's say Gas Usage in a single graph?
If the answer is yes, can you explain how?

Thanks...

gizmocuz · Post by **gizmocuz** » Saturday 08 November 2014 16:14

i guess you already know the answer of this as you did not find this option.
Please propose a patch that does this

number3 · Post by **number3** » Saturday 08 November 2014 21:30

gizmocuz wrote:i guess you already know the answer of this as you did not find this option.
Please propose a patch that does this

Nope, I didnot know. But now I do... hm, let me think about this.

The thing I want to to is to visualize the temperature sensor (virtual weatherstation) and the gasmeter readings in a single graph.
So I was thinking that it might be possible to combine two "sensors" in a single sensor field.

alttab · Post by **alttab** » Sunday 09 November 2014 16:11

looking for this too

Sappien · Post by **Sappien** » Monday 10 November 2014 8:05

roblom · Post by **roblom** » Monday 10 November 2014 20:39

pietervanharen · Post by **pietervanharen** » Monday 10 November 2014 21:42

sheriff · Post by **sheriff** » Tuesday 11 November 2014 20:22

+1 maybe in a simple reporting module ?

number3 · Post by **number3** » Saturday 15 November 2014 14:05

So has anyone that responded a suggestion how to solve this? Seen a library or a other open source project that we could look at to take the reporting module from?

Anyone?

roblom · Post by **roblom** » Sunday 16 November 2014 0:11

I would say start with the same units (so for example kWh). I think that would be less complicated because it's the same like the temp graphs.

As i have no programming skills I'm not able to select a useable graph software but maybe someone else can and use the list below as a startpoint.
http://en.wikipedia.org/wiki/Graph_database

Eternity · Post by **Eternity** » Thursday 12 November 2015 22:57

Yeah, great idea!

I would love to combine my electricity consumption graph (via P1-USB) with the energy produced by "Winddelen" (windmill) graph.
So, what is used versus what is produced.

Both graphs are available in Domoticz, but unfortunately in separate windows/charts.

ashygan · Post by **ashygan** » Friday 13 November 2015 0:29

While this would be a cool new feature, meanwhile, you could still make your own graphs using the json api, a custom page and a graph libray like jschart.
The custom graphs pages in Domoticz all call a URL like http://domoticz_server/json.htm?type=graph&sensor=temp&idx=8&range=2015-10-22T2015-10-29&graphtype=1&graphTemp=true&graphChill=false&graphHum=false&graphBaro=false&graphDew=false&graphSet=false

This solution needs you to get your hands dirty, but it also corrects one bug on custom graphs : The colors always stay the same

andreo · Post by **andreo** » Friday 13 November 2015 1:39

Very usefull

Abbadon · Post by **Abbadon** » Tuesday 29 December 2015 10:57

bump?

Egregius · Post by **Egregius** » Tuesday 29 December 2015 11:04

Maybe https://github.com/Egregius/PHP-Custom- ... r/temp.php can lead to a solution.
It shows a graph of room temperature together with the setpoint.

gerb · Post by **gerb** » Sunday 27 March 2016 14:23

Eternity wrote:Yeah, great idea!

I would love to combine my electricity consumption graph (via P1-USB) with the energy produced by "Winddelen" (windmill) graph.
So, what is used versus what is produced.

Both graphs are available in Domoticz, but unfortunately in separate windows/charts.

I use a dummy "p1 smart meter" to combine my two solar strings, one as tariff 1 and the other as tariff 2. Because domoticz thinks it is a smart meter, it automatically adds the two values for the daily result. This only works if you have not more than two inputs. I would rather have a custom graph possibility where you can choose the number of inputs and if domoticz should add them up or not (during the (live) present day or only in the graphs of the previous days. I think there are plenty people that want to combine/add measurements.

free_nsc · Post by **free_nsc** » Wednesday 30 March 2016 23:55

I see there is something now in the latest release that allows to show Produced and Used values on one graph.

How is the data for used energy to be fed into the sensor?
I am using json integration fed from my Goodwe inverter but would love to also present values from Aeotec HEM 2 on one graph.

RidingTheFlow · Post by **RidingTheFlow** » Thursday 31 March 2016 13:44

It would be surely a cool feature, but, it will require quite some thought and tinkering on how to implement it.
Even when I theoretically can add all this to Domoticz, for now its less time use just to export CSVs and analyse in Excel

korniza · Post by **korniza** » Sunday 15 May 2016 13:20

+1
if customs sensors can get more than 1 measurement types (for example temp/hummidity/barometer) adding multiple sensors can give a nice graph matrix

gizmocuz · Post by **gizmocuz** » Sunday 15 May 2016 13:27

+1
How about influxdb and grafana ?

How to combine sensors in single graph?

How to combine sensors in single graph?

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