Check only the first of the found duplicates

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Hello,

I have a rather bad set of ifc files for Provision for Voids with loads of geometric duplicates. I cannot send it back, unfortunately.

I need to create a gatekeeper rule that finds all duplicates, then performs checks on the first found, ignoring the rest. Is it possible or does it work only through selection basket?

Example:

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Using the rule SOL 1 on three exact duplicates, it is difficult to deciffer this combinatory display:

If there are more duplicates, each combination is displayed. Can we summarize them in one entry, where only the first is “good”?

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I have to write this workflow down, because it might be useful to others or might be entirely wrong and someone will show me better, … anyway, here it is:

create a SOL 1 rule parsing for duplicates:
make sure that all dups are rejected, but the first one:
select all items (click on “=”) to make a starting selection basket, including the dups. In this particular case it was these 3 Models:
run the SOL 1 rule, then right-click it and select all rejected:
open the “Checked components” view, select all lines and click on “-” to remove them from the selection basket.
Now you have a selection of everything, excluding the dups. It is advisable to save this selection by name in the Selection Basket:

Now you can filter by selection basket the results of your rules: