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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>What exact attribution does OSMF intend to use when the tiles are a mix of old tiles and new tiles?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Michael Collinson [mailto:mike@ayeltd.biz] <br><b>Sent:</b> Tuesday, July 10, 2012 12:33 PM<br><b>To:</b> OSM Dev<br><b>Cc:</b> Paul Norman<br><b>Subject:</b> RE: [OSM-dev] Licence redaction ready to begin<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Hi Paul,<br><br>We discussed this tonight at LWG <a href="https://docs.google.com/document/pub?id=1W7eh17a7cEUilpbictKYnWJfHoxIcA1W_tPEmqvmDkc">https://docs.google.com/document/pub?id=1W7eh17a7cEUilpbictKYnWJfHoxIcA1W_tPEmqvmDkc</a> item 5<br><br>We do not think temporary dual-licensing is particularly practical or necessary provided that we allow consumers reasonable time to make their attribution string changes. We are happy to re-visit this if there is any strong reason we are not seeing.<br><br>Mike<br>LWG<o:p></o:p></p><pre>><i> From: Richard Fairhurst [mailto:<a href="http://lists.openstreetmap.org/listinfo/dev">richard at systemeD.net</a>]<o:p></o:p></i></pre><pre>><i> Subject: [OSM-dev] Licence redaction ready to begin<o:p></o:p></i></pre><pre>><i> <o:p></o:p></i></pre><pre>><i> Once it is complete, we will be ready to distribute data under the ODbL<o:p></o:p></i></pre><pre>><i> and we'll advise of that with a separate announcement. The final pre-<o:p></o:p></i></pre><pre>><i> redaction dataset available under CC-BY-SA has now been generated at<o:p></o:p></i></pre><pre>><i> <a href="http://planet.openstreetmap.org/planet-120704.osm.bz2">http://planet.openstreetmap.org/planet-120704.osm.bz2</a> . Where data has<o:p></o:p></i></pre><pre>><i> been redacted, any attempt to access it from the API or the site's<o:p></o:p></i></pre><pre>><i> 'browse' pages will return a response to that effect.<o:p></o:p></i></pre><pre><o:p> </o:p></pre><pre>To transition from tiles derived from a CC BY-SA source to tiles derived<o:p></o:p></pre><pre>from a ODbL source will require changing the attribution and regenerating<o:p></o:p></pre><pre>all tiles so that CC BY-SA data is not mis-represented as being ODbL data.<o:p></o:p></pre><pre>What time period will data be available under dual licenses so that tile<o:p></o:p></pre><pre>servers will not have to reload their database then immediately delete every<o:p></o:p></pre><pre>cached tile when changing their attribution?<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>When I discussed this with Frederik awhile back I suggested publishing the<o:p></o:p></pre><pre>first post-redaction planet as dual-licensed as well as one week of diffs to<o:p></o:p></pre><pre>allow tile servers to continue to serve old CC BY-SA tiles and re-render<o:p></o:p></pre><pre>over the course of a week.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>At the very least I would suggest distributing the first post-redaction<o:p></o:p></pre><pre>planet as dual-licensed for the simple reason that all the information to<o:p></o:p></pre><pre>create it will be available as CC BY-SA.<o:p></o:p></pre><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>