<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body 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'>shoreline_300 doesn’t need regular updates, it’s only used at low zooms. It is just a simplified version of processed_p. I’m not sure off-hand exactly what zooms it is used at, but I doubt <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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>If this is historical, as I presume, you need to set up your own coastline generation process. This would consist of running coastcheck or OSMCoastline on a planet file. For the full OSM data, this process takes 1-2 hours once you have the planet file.<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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I haven’t benchmarked them on comparable hardware, but OSMCoastline is reported to be a bit faster. <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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="https://github.com/gravitystorm/openstreetmap-carto/issues/39">https://github.com/gravitystorm/openstreetmap-carto/issues/39</a> may relevant to using the coastline files.<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"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Jeff Meyer [mailto:jeff@gwhat.org] <br><b>Sent:</b> Saturday, April 13, 2013 3:51 PM<br><b>To:</b> tile-serving@openstreetmap.org<br><b>Subject:</b> [Tile-serving] how to expedite coastlines shapefile updates?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi - I'm trying to figure out the best way to set up a rendering chain that reflects changes to shorelines relatively quickly. The use case here is getting rid of man-made features and coastal landfill that are currently reflected in OSM in urban areas.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I've set up an OSM stack that won't be using data from planet.osm, which means I won't be able to take advantage of automatic updates to processed_p and shoreline_300. The rest of the stack is pretty vanilla - rails, mapnik/renderd, minutely updates, etc.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Any advice on how to set up something like this?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal>Jeff<br clear=all><o:p></o:p></p><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p></div></div></div></div></div></body></html>