Ciao Jacok, thinking.... can you try a quick test with this Java flag in GeoServer?
-Dorg.geoserver.render.raster.direct.disable=true A WMS request that involves a single layer has a specific rendering pipeline which is faster but it might be giving you headaches. Let us know how it goes. Regards, Simone Giannecchini == GeoServer Professional Services from the experts! Visit http://goo.gl/NWWaa2 for more information. == Ing. Simone Giannecchini @simogeo Founder/Director GeoSolutions S.A.S. Via Poggio alle Viti 1187 55054 Massarosa (LU) Italy phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 333 8128928 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. On Thu, Nov 27, 2014 at 8:25 AM, Jakob Ventin <[email protected]> wrote: > Hi all, > > I have a bunch of hillshades from different year. Typically they do not > overlap. For each year, I have configured a seperate ImageMosaic store. The > images are tiled tifs, greyscale 8 bit with alpha channel. I am using > default raster sld style. The alpha channel is there to make it possible to > group different years into layergroups, and to make it possible to show a > background map on areas where there is no hillshades. > > ImageMosaic creation works good, here is an example picture: > > <http://osgeo-org.1560.x6.nabble.com/file/n5175211/laser_vinovalo-harmaasavy_vinovalovarjoste_2014.jpg> > > Here, the grayscale values are as intended. > > When I create a layergroup, or combine one of the hillshade layers with one > another, or any other layer (even the layer itself), the image is > significantly brighter: > > <http://osgeo-org.1560.x6.nabble.com/file/n5175211/harmaasavy_vinovalovarjoste_2014_harmaasavy_vinovalovarjoste_2014.jpg> > > Environment: GS 2.6.1, racle Corporation: 1.7.0_25 (Java HotSpot(TM) 64-Bit > Server VM), Native JAI true, tomcat6. > > Does anybody have an explanation/solution to my problem? > > Best regards, > > Jakob Ventin > > > > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/ImageMosaic-tif-with-alpha-channel-and-layergroup-tp5175211.html > Sent from the GeoServer - User mailing list archive at Nabble.com. > > ------------------------------------------------------------------------------ > Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > from Actuate! Instantly Supercharge Your Business Reports and Dashboards > with Interactivity, Sharing, Native Excel Exports, App Integration & more > Get technology previously reserved for billion-dollar corporations, FREE > http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk > _______________________________________________ > Geoserver-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geoserver-users ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk _______________________________________________ Geoserver-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-users
