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Get database IDs for items in a flattened mosaic

LongTimeNovice

Hello, all.

Is it possible to get the database IDs for all the items in a mosaic that I just flattened?  So if a mosaic had 6 instances, I would want the IDs for those 6 after I flatten the mosaic.  I should say that my ultimate goal is to select those 6 instances, and I assume the way to do that is to determine their IDs and then select by ID, but if that's not the correct way, or if there's a better way, please let me know.

Thank you very much!

Steven.

  • Not an easy task as the dbFlattenInst only returns t or nil. You could do the following:

    Find the instance header for the mosaic and cache all the instances before flattening.

    mosaicIH = mosaicId~>instHeader

    curInstances = mosaicIH~>instances

    After the flattening (only flatten one level), the new instances are added to the instance header.

    newInstances = setof( inst mosaicIH~>instances !(member inst curInstances))

    You may be able to use memq instead of member for higher performance.

  • theopaone!  That's exactly what I needed.  I've been struggling for days with this.  Thank you!

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