Sounds good Chris. No problems with imports from me (assuming the data passes reasonable* quality assurance). I do feel that the concerns over imports are preventing OSM from properly innovating. This is a good example of dataset and an innovative approach that has been made available to us. It would be a shame if nothing came of it.
You mention trees can cause problems to building heights. Hopefully these errors are obvious in big urban areas (e.g. if all buildings in a residential area are of similar height except for a few outliers then it gives a good indication of where the error is!). Regards, Rob * By reasonable we have to put it in to context of our own manual quality which is not 100% perfect even for the experienced mapper. We also don't have a large enough community to invest the number of hours a fully manual (27million homes) process would require.
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