Neil: Can you describe more in what way the quality is lacking? Is it distorted, or pixelated, or what? Did you do any data prep to your geotiff, say introduce an overview? If so what sampling technique did you use? What does "gdalinfo" return for your image?
Some general guidance from Paul Ramsey is here https://blog.cleverelephant.ca/2015/02/geotiff-compression-for-dummies.html -- Jody Garnett On Tue, 20 Jul 2021 at 19:00, Neil Saunders <neil.saund...@lotsearch.com.au> wrote: > Hi folks, > > > > Apologies if this is a basic question – I’m fairly new to GIS data. > > > > I’m using Geoserver 2.18.2 to host historical aerial clips and exporting > the rasters with Arc Map 10.6 to Geotiff with a 500m buffer of a property. > However I’m finding the quality of the image in Geoserver does not match > the quality in Arc Map when zoomed in. > > > > I’ve tried exporting at different DPI but find 300 or above has no > discernible improvement. I’m not using any compression when creating the > TIFF and using GeoTIFF Tags. I’ve read about resampling and how it can > alter the image quality but not sure if that’s it. > > > > Assuming this is not a new challenge, I’m curious what steps others have > taken to get raster clips into Geoserver in a way that doesn’t compromise > the image quality? I’m using the most detailed historical aerial > photography as the use case requires inspection of features at the street > level. Any help gratefully received! > > > > Kind Regards, > Neil Saunders > Business Consultant > > > How was your Lotsearch experience? Click here > <https://airtable.com/shrkB2wJTJQ52z6e9>. > > Lotsearch Pty Ltd > Level 3, 68 Alfred Street, Milsons Point, NSW 2061 > +61 (0)2 8287 0680 > > +61 (0) 413 379 883 > supp...@lotsearch.com.au > www.lotsearch.com.au > > > > > CONFIDENTIAL INFORMATION > This transmission may be privileged and may contain confidential > information intended only for the recipient(s) named above. Any other > distribution, re-transmission, copying or disclosure of this message is > strictly prohibited. > If you have received this transmission in error, please notify me > immediately by telephone or return email, and delete this message from your > system. Thank you. > > > > [image: LinkedIn] <https://linkedin.com/company/4823161> > > > > > _______________________________________________ > 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 > > > Geoserver-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geoserver-users >
_______________________________________________ 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 Geoserver-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geoserver-users
