Re: [Geoserver-users] Geoserver bottleneck when writing response image

2022-10-21 Thread Jody Garnett
no idea about what could be the reason for a sluggish >> performance with Windows server running on Hyper V and I fear that the main >> developers do not have that kind of environment up for testing. >> >> >> >> -Jukka Rahkonen- >> >> >> >>

Re: [Geoserver-users] Geoserver bottleneck when writing response image

2022-10-21 Thread Pa Pu
lopers do not have that kind of environment up for testing. > > > > -Jukka Rahkonen- > > > > *Lähettäjä:* Pa Pu > *Lähetetty:* torstai 20. lokakuuta 2022 17.35 > *Vastaanottaja:* Jody Garnett > *Kopio:* Geoserver-users@lists.sourceforge.net > *Aihe:* Re: [Geoserver-u

Re: [Geoserver-users] Geoserver bottleneck when writing response image

2022-10-20 Thread Rahkonen Jukka
of environment up for testing. -Jukka Rahkonen- Lähettäjä: Pa Pu Lähetetty: torstai 20. lokakuuta 2022 17.35 Vastaanottaja: Jody Garnett Kopio: Geoserver-users@lists.sourceforge.net Aihe: Re: [Geoserver-users] Geoserver bottleneck when writing response image Hi Jody, not sure how to identify

Re: [Geoserver-users] Geoserver bottleneck when writing response image

2022-10-20 Thread Andrea Aime
Hi, the reprojection also has a sort of "fast path" and a "slow path". In the fast path, the complex/slow reprojection math is simplified to an equivalent affine transform that would not move the pixels more than 0.3 pixels away. It typically kicks in when you are zoomed in enough, and you'd see a

Re: [Geoserver-users] Geoserver bottleneck when writing response image

2022-10-20 Thread Pa Pu
Hi Jody, not sure how to identify if the "fast-path" was taken or not, I don't see anything suggesting it did, but I could be looking for wrong key words. Thank you for explaining the components. What confused me was that I saw the image chain and reprojection information logged in but didn't real

Re: [Geoserver-users] Geoserver bottleneck when writing response image

2022-10-19 Thread Jody Garnett
Components: - GeoServer uses the geotools library for the heavy lifting (gis data formats, referencing, data structures) - image processing provided by the java advanced imaging library; with JAI-EXT providing GIS operations (to respect concepts like no-data) - image formats provided by image-is li