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Code Issues Projects Releases Wiki Activity

sitemap_interpolation (#2463) 

Signed-off-by: Mark Herwege <mark.herwege@telenet.be>
pull/2482/head
Mark Herwege 2025-04-07 18:10:18 +02:00 committed by GitHub
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ui/sitemaps.md
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@ -608,6 +608,7 @@ Video url="https://demo.openhab.org/Hue.m4v"
```java
Chart item=<itemname> [label="<labelname>"] [icon=<iconref>] [staticIcon=<iconref>] [refresh=xxxx]
period=xxxx [service="<service>"] [legend=true/false] [forceasitem=true/false] [yAxisDecimalPattern=xxxx]
[interpolation=xxxx]
```
Adds a time-series chart object for the display of logged data.
@ -636,6 +637,11 @@ Adds a time-series chart object for the display of logged data.
It accepts [DecimalFormat](https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/text/DecimalFormat.html).
For example with `#.##` a number has to decimals.
- `interpolation` is used to change how the line is drawn between 2 datapoints.
By default, a horizontal line (step) will be drawn between 2 datapoints of `Switch` or `Contact` items.
All other item types will have a line (linear) connecting the datapoints.
With the `linear` or `step` value for this parameter, this default behaviour can be changed.
**Other options to look out for:**
The Chart element type is a good way to present time series data quickly.
For more sophisticated diagrams, openHAB supports the integration of outside sources like most logging and graphing solutions (e.g. [Grafana](https://grafana.org)).