On Fri, May 28, 2021 at 9:08 PM Gabriel Roldan <gabriel.rol...@gmail.com> wrote:
> If that's all the meta info to store, anything not in the tile file itself > would be overkill. > Yeah, but formats won't have, in general, a dedicated "user extra" sections in their format. Like, PNG only allows for a string title for example, GeoTIFF on the other end allows for custom tags freely. No idea if vector tiles allow for anything not foreseen, I'm afraid not. Another option could be to add extra bits at the beginning or end of file, which the tile reader would remove. However, this approach breaks static tile generation (generate once, move to a static file server). > Looks like we only need 2 bits for a full/empty/unknown flag. > On Linux and MacOS it should be possible to use extended file attributes, > dunno about Windows. > Good idea. Not sure about Windows either. > I'm pretty sure S3 also supports custom object metadata. > > Not fond of the idea of side-car files, though could be an opt-in > compromise due to overhead (would require a check for existence for all > tiles). > Yes, should probably be used as a last resort only. Cheers Andrea == GeoServer Professional Services from the experts! Visit http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa (LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 http://www.geo-solutions.it http://twitter.com/geosolutions_it ------------------------------------------------------- *Con riferimento alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni circostanza inerente alla presente email (il suo contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le sarei comunque grato se potesse darmene notizia. This email is intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. We remind that - as provided by European Regulation 2016/679 “GDPR” - copying, dissemination or use of this e-mail or the information herein by anyone other than the intended recipient is prohibited. If you have received this email by mistake, please notify us immediately by telephone or e-mail.*
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