My mistake, it is working fine now Le mar. 16 mars 2021 à 13:42, Nicolas Raggueneau < [email protected]> a écrit :
> Hi Daniele > > Thank you for answering. While reading my first message I realized it was > incomplete. Individual layer rendering is quite good, but when I compose > the layers in the aggregate they don't look interpolated > > This is a snap of the 8 level layer, it is using bilinear interp. Output > is quite good at level 8 in TMS: https://ibb.co/10hgtFB > At level 7 the interpolation is not so good, some tiles are blurry. Maybe > I will switch to bicubic, but it is acceptable https://ibb.co/2YyGkZc > > > Now with the aggregate at level 8 and 7: > https://ibb.co/WBX4xxK > https://ibb.co/jhWzVLQ > > Is it possible to enable interpolation as the aggregate as well? > > To generate the overview I've adapted the script of the tutorial to > increas the JPEG quality but I've kept the other parameters. I'm not sure > it tiling is useful because for this dataset mosaic granules have a 500x500 > dimension > for %%F in (*.tif) do ( > echo Processing file %%F > > REM translate > echo Performing gdal_translate on file %%F to file %%~nF.tiff > gdal_translate -b 1 -b 2 -b 3 -mask 4 -co "TILED=YES" -co > "BLOCKXSIZE=512" -co "BLOCKYSIZE=512" -co "COMPRESS=JPEG" -co > "PHOTOMETRIC=YCBCR" -co "jpeg_quality=100" > --config GDAL_TIFF_INTERNAL_MASK YES %%F %outputdir%\%%~nF.tiff > > REM add overviews > echo Adding overviews on file %%~nF.tiff > > gdaladdo -r average --config COMPRESS_OVERVIEW JPEG --config > PHOTOMETRIC_OVERVIEW YCBCR --config JPEG_QUALITY_OVERVIEW > 100 %outputdir%\%%~nF.tiff 2 4 8 16 32 > > ) > > Best Regards, > > Nicolas > > Le mar. 16 mars 2021 à 09:19, Daniele Romagnoli < > [email protected]> a écrit : > >> Hi Nicolas, >> >> On Mon, Mar 15, 2021 at 7:57 PM Nicolas Raggueneau < >> [email protected]> wrote: >> >>> Hi All, >>> >>> France Geographical Institute (IGN) is distributing some of its data >>> with an Open Licence here: >>> https://geoservices.ign.fr/documentation/diffusion/telechargement-donnees-libres.html#plan-ign >>> In particular there is a pack with zoom levels 8-12. >>> I've loaded them in Geoserver, each level in its own ImageMosaic >>> store/layer, and I've created an aggregate with all the layers and SLD >>> sheet to switch from one layer to another in the TMS. >>> I've added tile blocks, overviews and masks according to geosolutions' >>> tutorial (awesome) >>> >>> Problem is the output is not very good looking, in particular the place >>> names are not very readable. >>> >> >> Can you share a couple of images showing the rendered output? >> >> >>> So here are the two options that we have in mind to improve the >>> rendering but so far it's not very effective: >>> - Increase tile dimensions to 1024x1024 - problem is that it messes with >>> the gridset tile footprint without much improvement on quality >>> - enable interpolation on layers - no visible improvement >>> - adding overviews - no visible improvement >>> >>> >> Which resampling are you using to generate overviews? >> >> Regards, >> Daniele >> >> >>> Is there any other option? With the same tile size if i use mapnik >>> rendered tiles i don't have this issue so there may be another way... >>> >>> regards, >>> >>> Nicolas >>> >>> >>> >>> >>> _______________________________________________ >>> Geoserver-users mailing list >>> >>> Please make sure you read the following two resources before posting to >>> this list: >>> - Earning your support instead of buying it, but Ian Turton: >>> http://www.ianturton.com/talks/foss4g.html#/ >>> - The GeoServer user list posting guidelines: >>> http://geoserver.org/comm/userlist-guidelines.html >>> >>> If you want to request a feature or an improvement, also see this: >>> https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer >>> >>> >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/geoserver-users >>> >> >> >> -- >> Regards, >> Daniele Romagnoli >> == >> GeoServer Professional Services from the experts! 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_______________________________________________ Geoserver-users mailing list Please make sure you read the following two resources before posting to this list: - Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/ - The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-users
