On Fri, Jun 17, 2011 at 4:09 PM, David Groom revi...@pacific-rim.net wrote:
Word in quotes below relate to the meanings given them by ODbL
Assume I use jxapi to download an extract of the main OSM database . Is the
downloaded extract a Derivative Database, or since the download was
provided by OSM does the downloaded data qualify as simply a Database?
Does not §4.4b answer this[1]?
b. For the avoidance of doubt, Extraction or Re-utilisation of
the whole or a Substantial part of the Contents into a new database is
a Derivative Database and must comply with Section 4.4.
As a practical matter, we almost always deal with the OSM db in terms
of a smaller extraction. We create tiles for a few blocks with many
object types, or tiles with only country boundaries and oceans
covering the whole planet. Planet files and planet history files
are probably the most frequent use that considers the complete db at
one time. So it might be a derivative database of OSM, but it seems
indistinguishable from the OSM database broken into a manageable
chunk ;-)
Why? Do you have a specific use in mind?
Best regards,
Richard
[1] http://www.opendatacommons.org/licenses/odbl/1.0/
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