Some of the geoserver vendor parameters are implemented as hints: https://docs.geoserver.org/latest/en/user/services/wms/vendor.html
Others are controlled by the geoserver administrator during setup (as presumably they know if their data requires advanced projection handling). -- Jody Garnett On Sun, 23 Aug 2020 at 01:34, Frank Gasdorf via GeoTools-Devel < geotools-devel@lists.sourceforge.net> wrote: > Hello everybody, > > I'm experimenting to enable advanced projection support with > StreamingRenderer options ADVANCED_PROJECTION_HANDLING_KEY > <https://docs.geotools.org/stable/javadocs/org/geotools/renderer/lite/StreamingRenderer.html#ADVANCED_PROJECTION_HANDLING_KEY> > & > CONTINUOUS_MAP_WRAPPING > <https://docs.geotools.org/stable/javadocs/org/geotools/renderer/lite/StreamingRenderer.html#CONTINUOUS_MAP_WRAPPING> > in > uDig. > > Everything works as expected, I'm wondering how to pass information hint > for prefered request-Format to WebMapServer getMap Request. > > I've seen a hint-option for WebMapServer but I'm not sure regarding: > * what key I might have to use to give a format hint (e.g. IMAGE_FORMAT > image/jpeg) rather then default image/png > * how this option is passed to GetMapRequest > > I would love to get a hint on how to implement this feature (request) to > allow me to contribute to GeoTools again. > > User-Scenario: > * user can configure preferred image format for wms requests un uDig UI > * the selected image format should be used for getMap requests > > Class in uDig : BasicWMSRenderer2 > <https://github.com/locationtech/udig-platform/blob/master/plugins/org.locationtech.udig.render.wms.basic/src/org/locationtech/udig/render/internal/wms/basic/BasicWMSRenderer2.java> > doesn't > uses StreamingRenderer at the moment of writing and I'd like to use > GeoTools renderer here as well to enable advanced rendering options. > > Many Thanks in advance > -- > Frank b/o uDig project > _______________________________________________ > GeoTools-Devel mailing list > GeoTools-Devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geotools-devel >
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