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]>
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
> fax: +39 0584 1660272
> mob: +39 339 8844549
>
> http://www.geo-solutions.it
> http://twitter.com/geosolutions_it
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--
==
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
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