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How can I get an exact BBox from lower level to top?

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Hi there,

I'd like to get a BBox from layout mixed with instances and mosaics hierarchically to top level. It has various order; inst -> mosaic -> inst or mosaic -> inst ->mosaic -> inst

It seems dbGetHierPathTransform only gives an exact coordinate when the layout is made of instances hierarchically. 

I have no idea now how I could approach this issue.

Looking forward your advice. 

Thanks,

Jungyoon


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