<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">:-) <div class=""><br class=""></div><div class="">Sorry Javier, and thanks for the ping Patrick. </div><div class=""><br class=""></div><div class="">Javier, I’ve invited you to the cogeotiff slack channel, which might just be easier to contact people working on COG and dynamic tiling.</div><div class=""><br class=""></div><div class=""><a href="https://developmentseed.org/titiler/dynamic_tiling/" class="">https://developmentseed.org/titiler/dynamic_tiling/</a> might also be of interest for you.</div><div class=""><br class=""></div><div class="">Regards,</div><div class=""><br class=""></div><div class="">Vincent </div><div class=""><br class=""></div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Apr 13, 2021, at 11:35 AM, Patrick Young <<a href="mailto:patrick.mckendree.young@gmail.com" class="">patrick.mckendree.young@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">There is a COG mailing list (not very active from the looks of it):<br class=""><br class=""><a href="https://lists.osgeo.org/mailman/listinfo/cog" class="">https://lists.osgeo.org/mailman/listinfo/cog</a><br class=""><br class="">You might ping Vincent <a href="https://github.com/vincentsarago" class="">https://github.com/vincentsarago</a> too!<div class=""><br class=""></div><div class="">P</div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Apr 13, 2021 at 2:31 AM Javier Jimenez Shaw <<a href="mailto:j1@jimenezshaw.com" class="">j1@jimenezshaw.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" class=""><div class="">Maybe this channel is not the best place for this question. Do you know a better place to ask?</div><div class=""><br class=""></div><div class="">Thank you<br class=""></div><div class=""><div class=""><div dir="ltr" class="">.___ ._ ..._ .. . ._. .___ .. __ . _. . __.. ... .... ._ .__<br class="">Entre dos pensamientos racionales <br class="">hay infinitos pensamientos irracionales.<br class=""><br class=""></div></div><br class=""></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 6 Apr 2021 at 22:40, Javier Jimenez Shaw <<a href="mailto:j1@jimenezshaw.com" target="_blank" class="">j1@jimenezshaw.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" class=""><div class="">Hi</div><div class=""><br class=""></div><div class="">While I was reading about COG format, I thought it was great to replace "gdal2tiles" if the COG was properly generated (I mean, using the option TILING_SCHEME=GoogleMapsCompatible , and maybe something else I miss. I am generating it, so I can optimize that).</div><div class="">Then I was expecting that geotiff.js (or any other client js library) will be able to do the proper RANGE request to produce the tiling that libraries like openlayers of leaflet is expecting. Yes, in Web Mercator projection with aligned tiles, so no transformation is needed.</div><div class=""><br class=""></div><div class="">My initial target is just for RGBA uint8 images... plain vanilla. Storing the COG file in S3, without any proxy in between doing any conversion. Just relying on the RANGE request to get the needed area. My initial idea is to keep the openlayers/leaflet 256x256 tiles. This allows parallel requests to the server, and is very fast (and I do not have to refactor all my js code). But maybe there is a better/faster solution (again, with S3 direct access, no proxy in the server side. That would require deploying the "proxy" on every geographical region).<br class=""></div><div class=""><br class=""></div><div class="">However I have not found any proper solution (my search-fu is not the best, to be honest). I would like something that performs <i class="">at least</i> as fast as the tiles produced by gdal2tiles.</div><div class=""><br class=""></div><div class="">Do you know any solution/example?</div><div class=""><br class=""></div><div class="">Thanks<br class=""></div><div class=""><div class=""><div dir="ltr" class="">.___ ._ ..._ .. . ._. .___ .. __ . _. . __.. ... .... ._ .__<br class="">Entre dos pensamientos racionales <br class="">hay infinitos pensamientos irracionales.<br class=""><br class=""></div></div></div></div>
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