Sub-subcategories in Revit?

[Secttor]

Hi

1. I have strange request to have 2 types of lines (dashed and solid) under the same subcategory..let's say "Equipment". Is there a way to trick this without adding a new one assigned for dashed lines? 

2. What's the best way to have as input the Area and Radius to belong to the formula ?

Thanks!

[ToanDN]

No.  If you want to keep the list of the sub-categories of Mechanical Equipment (and others) clean then use a nested Detail family. 

[Secttor]

Indeed but then the Detail Item entities belong to Detail Item Category..not Mechanical as needed. The ideea is to uncheck once all entities that belong to main rfa.

[ToanDN]

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@Secttor wrote:

Indeed but then the Detail Item entities belong to Detail Item Category..not Mechanical as needed. The ideea is to uncheck once all entities that belong to main rfa.

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When you turn off the parent main category or subcategory, all the nested (not shared) families will be turned off.

I can see the flaw with this when you need to turn off a subcategory, not main category.

[Secttor]

Firstly I need to uncheck the subcategory & If I understand correctly your workflow.. this is what you mean, not the way I need.