Attention: This article is now also available on the openHAB 2 documentation page. If you want to add improvements or additions, please do so there. http://docs.openhab.org/configuration/rules-dsl.html#conversions Interacting with Items in rules A frequent operation in rules is to calculate other …

If you can check the database to see what is being saved. The problem could be a bunch of places so we need to start narrowing it down.

Hm, as the Graph is being drawn, I’d would need a hint where and how to check the rr4dj files please?

The graph is a good indication that things are working. You can user the OH REST API to do some a queries against the db directly.

Coming from a C# background, I have an expectation that invalid comparison operations will fail in at compile time most often, and maybe throw an exception at runtime under special cases. My troubleshooting in OH rules is usually complicated by the fact that everything just appears to work until you…

[image] alphie: I have an expectation that invalid comparison operations will fail in at compile time That is not a valid expectation for weakly typed languages like the Rules DSL. There is no way for the compiler to have enough information to know if there will be an hour or not. [image] …

@rlkoshak Hi Rich, I can see youve listed a Type conversion for a dimmer. My current volume control of a thing is expressed as a Dimmer. Items File: Dimmer Zone_1_Volume "Volume [%.1f %%]" <soundvolume …

I don’t know anything about HABPanel so you might be better off posting a new thread in the HABpanel section of the forum. [image] dastrix80: Do I create an item for it? That would be a requirement to convert a Dimmer item too a Number Item. Bed aware that the conversion code above is in Rul…

Hi Rich, Forgetting habpanel, assuming a Basic UI sitemap how would I achieve this? Just this piece of code? in a rule? im a little confused and new to OH2 Thanks

A DimmerType is a child of NumberType so you should be able to do all the same things to it. [image] dastrix80: Am I right in saying I can use your conversion to convert the dimmer to a Number item? How would I then reference that new number state in a Widget? Do I create an item for it? Why…

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Type Conversions

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alphie (Alphie) May 5, 2018, 8:26pm 44

Thank you for your reply, Rich. I started a new thread here.