Wow, really amazed with your app!! My catalog is 500Mo and was analysed super fast! Love the filters too and the ability to restrict the period (it would be even nicer if we could move some sliders to analyse a specific period). Anyway, this is totally amazing! ;-)

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Now this is really, completely OT, but since you seem to be an expert with Lightroom catalogs, I wonder if you would know the answer to the following problem.

I had been using Lightroom 3 for a very long time, with newer cameras the RAWs of which it couldn't read, so I converted the RAW files to DNG using the Adobe utility. This was fine but used double disk space.

Now I finally upgraded Lightroom; I still have the original RAW files and was wondering if I could somehow replace the pointers to the DNGs with the original RAWs in the .lrcat catalog file; would that work, or completely break everything? (The point being, to get rid of the DNG files on disk).