Thank's!
This maybe explains this. So we have to manage without caching.
--kupen
Kevin Smith [ksmith@anonymised.com] kirjoitti:
At the moment, GWC doesn't support the dpi format option.
https://github.com/GeoWebCache/geowebcache/issues/240On 7 July 2014 08:07, Pena Kupen <kupen@anonymised.com> wrote:
> Hello again,
>
> On Geoservers log, gwc says flollowing, aboun 30 times:
> 2014-07-07 17:49:02,980 ERROR [geowebcache.GeoWebCacheDispatcher] -
> Requested horizontal resolution: 3.5277758726551838 , best match:
> 2.388657133579254 exceeds 10% threshold. Perhaps the client is configured
> with an incorrect set of scales (resolutions), or the DPI setting is off
> compared to the one in GWC ?
> http://localhost:8080/geoserver/gwc/service/wms
>
> That's maybe reason, why gwc is not caching.
> How to fix this?
>
> --kupen
>
> Pena Kupen [kupen@anonymised.com] kirjoitti:
> > Kevin and Jukka and all,
> >
> > >First off, if you want to use the standard GeoServer WMS endpoint with
> > >caching, you need to make sure that you have Direct Integration enabled.
> > >
> > Yeps, it is enabled.
> >
> > >Second, you need to make sure the layer is configured for caching and
> that
> > >you have set it up with the correct format, gridset, parameter filters,
> et
> > >to handle your request. If anything doesn't match, it will fall back to
> > >using GeoServer's WMS service directly without any caching.
> > >
> > Should be. Declared SRS is EPSG:3067 and on Openlayers I use EPSG:900913.
> >
> > >OpenLayers isn't able to read the gridset information from a WMS-C
> > >GetCapabilities document so if you give it a layer using a custom
> gridset
> > >it will simply guess how the tiles are laid out and make requests on
> that
> > >basis. If it guesses wrong, then the requests won't line up with the
> cache
> > >and GWC won't be able to handle it. If you're using GWC directly you'll
> > >get an error, while if you're using the regular GeoServer WMS endpoint
> with
> > >Direct Integration enabled, it will fall back to using the WMS without
> > >caching.
> > >
> > Yep. That's how I have understand it.
> >
> > >The GWC endpoints are /geoserver/gwc/service/wms
> > >
> > I must try this
> >
> > >In order to use any gridset other than the standard Web Mercator or
> WGS84
> > >ones you have to tell OpenLayers the exact parameters of that gridset,
> at
> > >least if you're using WMS-C.
> > >
> > I suppose, I use Mercator.
> > >projection: mercator
> >
> > I noticed one more thing more.
> > When using this layer, there is maybe 5 different resolution. When
> draging tiles on levels 2-5, there is no caching, but on level 1 gwc is
> caching tiles?!
> >
> > --kupen
> >
> > --
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Kevin Smith
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ksmith@anonymised.com
+1-778-785-7459
@boundlessgeo <https://twitter.com/boundlessgeo>
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