Data Visualisation - Highlight Non-IFC Entity Objects

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I have set up a quick test file to figure out how to make the splendid data visualisation (DV) work when we have a mixture of

 

1 ifc entity extrusions, i.e. where a rectangle is simply extruded and an ifc pset has been attached to the extrusion,

2 ifc entity extrusions inside a non-ifc entity symbols, i.e. where the extrusion in 1 is simply made into a symbol.

and

3 non-ifc entity extrusions inside ifc entity symbols, where a rectangle is extruded, and made into a symbol and an ifc pset has been attached to the symbol.

 

If I set DV to look for objects with no ifc entity, object 2 and 3 highlight red.  This is not what I want because while object 2 has an IFC entity it is inside a non-IFC entity symbol, However, because the object inside the symbol is an ifc entity it will export ok.

 

If I set DV to look for objects that are not symbols and have no ifc entity, object 3 highlights, even though the symbol enclosing the non-ifc entity is an ifc entity.  Again, this is not what I want because the symbol is an ifc entity and therefore will export ok.

 

If I look for objects that are not symbols, and put a non IFC object inside the non-ifc symbol, the non ifc object highlights red, which is correct.

 

I just need to set it so that object 3 does not highlight!

 

Annoyingly we cannot manually edit the search criteria of the DV function as we can with worksheet databases.  Not sure it would help TBH.

 

Not the sort of thing I should be doing on a Friday evening, I admit.

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I can, by selecting all objects that have IFC entity including objects inside symbols and groups, highlight compliant objects, but not the inverse.

 

I need to select all objects that have no ifc entity unless they are inside a symbol that is!

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By the way, when creating or selecting multiple DVs, a preview button would be useful, like on viewports.