I'm always watching ;) Cheers from an old friend.
-jeff -- Jeff McKenna MapServer Consulting and Training Services http://www.gatewaygeomatics.com/ On 2016-06-07 3:03 PM, Andrea Aime wrote: > Heh, > our mapserver friends are discussion the option of adding it to > mapserver too, one feedback in the discussion: > > "We might consider adding to mapserver if there's a need for it. FWIW, > this feature has been in mapproxy since end of 2012, and mapcache since > mid 2011." > > Cheers > Andrea > > > On Tue, Jun 7, 2016 at 6:50 PM, Andrea Aime > <[email protected] <mailto:[email protected]>> wrote: > > Hi all, > when working with imagery it happens often enough that one wants the > compression > factor of a JPEG, but also transparency at the raster data edges. > Unfortunately one cannot have both... or can she? > > With tiled maps we can introduce a new output format, which I > nicknamed JPENG > (JPEg or pNG) that would return the right compression depending on > the tile content: > if it's fully opaque, JPEG, if there is any transparency, PNG > instead, of course setting > the right return type headers so that the browser can do the right > decoding. > > It's simple enough and would save significant bandwidth (and also > CPU, JPEG is > faster to compress) for imagery that also needs occasional > transparency support. > > I'd add this at a WMS output format, and if time allows, WMTS too... > but no guarantees, > I have actually no funding backing any of this (I'm doing it for > another system), but it seems > quick to implement in GeoServer too and would be a pity to lose it. > > Objections? Suggestions for a better name (I checked a few other > variants, but they seem to be > already in use on the internet with a different meaning)? > > 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 <tel:%2B39%200584%20962313> > fax: +39 0584 1660272 <tel:%2B39%200584%201660272> > mob: +39 339 8844549 <tel:%2B39%20%C2%A0339%208844549> > > http://www.geo-solutions.it > http://twitter.com/geosolutions_it > > *AVVERTENZE AI SENSI DEL D.Lgs. 196/2003* > > Le informazioni contenute in questo messaggio di posta elettronica > e/o nel/i file/s allegato/i sono da considerarsi strettamente > riservate. Il loro utilizzo è consentito esclusivamente al > destinatario del messaggio, per le finalità indicate nel messaggio > stesso. Qualora riceviate questo messaggio senza esserne il > destinatario, Vi preghiamo cortesemente di darcene notizia via > e-mail e di procedere alla distruzione del messaggio stesso, > cancellandolo dal Vostro sistema. Conservare il messaggio stesso, > divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, > od utilizzarlo per finalità diverse, costituisce comportamento > contrario ai principi dettati dal D.Lgs. 196/2003. > > > > The information in this message and/or attachments, is intended > solely for the attention and use of the named addressee(s) and may > be confidential or proprietary in nature or covered by the > provisions of privacy act (Legislative Decree June, 30 2003, no.196 > - Italy's New Data Protection Code).Any use not in accord with its > purpose, any disclosure, reproduction, copying, distribution, or > either dissemination, either whole or partial, is strictly forbidden > except previous formal approval of the named addressee(s). If you > are not the intended recipient, please contact immediately the > sender by telephone, fax or e-mail and delete the information in > this message that has been received in error. The sender does not > give any warranty or accept liability as the content, accuracy or > completeness of sent messages and accepts no responsibility for > changes made after they were sent or for other risks which arise as > a result of e-mail transmission, viruses, etc. > > > ------------------------------------------------------- > > > > > -- > == > 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 > > *AVVERTENZE AI SENSI DEL D.Lgs. 196/2003* > > Le informazioni contenute in questo messaggio di posta elettronica e/o > nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il > loro utilizzo è consentito esclusivamente al destinatario del messaggio, > per le finalità indicate nel messaggio stesso. Qualora riceviate questo > messaggio senza esserne il destinatario, Vi preghiamo cortesemente di > darcene notizia via e-mail e di procedere alla distruzione del messaggio > stesso, cancellandolo dal Vostro sistema. Conservare il messaggio > stesso, divulgarlo anche in parte, distribuirlo ad altri soggetti, > copiarlo, od utilizzarlo per finalità diverse, costituisce comportamento > contrario ai principi dettati dal D.Lgs. 196/2003. > > > > The information in this message and/or attachments, is intended solely > for the attention and use of the named addressee(s) and may be > confidential or proprietary in nature or covered by the provisions of > privacy act (Legislative Decree June, 30 2003, no.196 - Italy's New Data > Protection Code).Any use not in accord with its purpose, any disclosure, > reproduction, copying, distribution, or either dissemination, either > whole or partial, is strictly forbidden except previous formal approval > of the named addressee(s). If you are not the intended recipient, please > contact immediately the sender by telephone, fax or e-mail and delete > the information in this message that has been received in error. The > sender does not give any warranty or accept liability as the content, > accuracy or completeness of sent messages and accepts no responsibility > for changes made after they were sent or for other risks which arise as > a result of e-mail transmission, viruses, etc. > > > ------------------------------------------------------- > > > ------------------------------------------------------------------------------ > What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic > patterns at an interface-level. Reveals which users, apps, and protocols are > consuming the most bandwidth. Provides multi-vendor support for NetFlow, > J-Flow, sFlow and other flows. Make informed decisions using capacity > planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e > > > > _______________________________________________ > Geoserver-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geoserver-devel > ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e _______________________________________________ Geoserver-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-devel
