Rules and Mathematics

[ThomDietrich]

One example of how to go from an item to a simple float value:

 val actTemp = (Heater_Act_Temp.state as DecimalType).floatValue

This and much more can be found at

Type Conversions

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 values from Item states or compare Item states against other values or perform other operations that are either responses to changes in item states or intended to change the item state. For a complete…