Shading control set point measure

Based on the answers here and the minimal example here @Julien Marrec, I understand how to set the setpoint once I have the shading control object.

However, I don't want to create a new SC, but find all existing ones.

The following line:

scs = model.getObjectsByType("ShadingControl".to_IddObjectType)

returns an uninformative error:

 eval:1:in `initialize': Unknown Value (RuntimeError)

in an OpenStudio measure. Should I be using an EnergyPlus measure instead?

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A good place to start getting familiar with measures is the Measure Writing Guide as well as looking at example measures found on BCL for example.

Julien Marrec (2017-02-02 10:37:15 -0500) edit

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Use model.getShadingControls which will return an array of your shading controls.

Example: set all Shading Control's setpoint to 250:

model.getShadingControls.each do |sc|
   sc.setSetpoint(250)
end

Note that this is true of all objects in the OS API. If you want to get all Constructions in the model: model.getConstructions, etc.

Side note:

FYI, if you decompose your command call (always a good idea), you'll see that your problem is with ("ShadingControl".to_IddObjectType). This does work:

model.getObjectsByType("OS_ShadingControl".to_IddObjectType)

but it'll return an array of WorkspaceObject, that you'll have to cast to their actual object type (x.to_ShadingControl.get).

Bottom line: use model.getShadingControls!

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Julien Marrec

answered 2017-02-02 10:27:31 -0500, updated 2017-02-02 10:36:22 -0500

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Shading control set point measure

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Shading control set point measure