Don't thank me yet! My in-between-meetings mailing list brain was at work and I should have phrased that differently. I was actually meaning to ask whether that would work on wms layers and I haven't tested it out
On Tue, 26 Oct 2021, 19:02 Kurt Menke, <[email protected]> wrote: > Thanks Charles, > This may be the ticket! > > On Tue, Oct 26, 2021 at 6:30 PM Charles Dixon-Paver <[email protected]> > wrote: > >> Just to chime in, all these responses seem to be discussing sld and wms >> server configuration options, but the original question mentioned applying >> edits to the qgis project file. I would think the simplest solution is to >> use something like loadSldStyle[1] from pyqgis? Not sure if I'm missing the >> point of the conversation though. >> >> [1] >> https://qgis.org/pyqgis/master/core/QgsMapLayer.html#qgis.core.QgsMapLayer.loadSldStyle >> >> On Tue, 26 Oct 2021 at 14:21, Jorge Gustavo Rocha <[email protected]> >> wrote: >> >>> Hi René, >>> >>> I'm just asking questions to fully understand the use case. Thank you >>> for your feedback. You mentioned an interesting point. >>> >>> As you mentioned, the solution can be based on the server side if the >>> map server accepts an SLD. >>> >>> This approach can not be used against WMS services working behind >>> caches/tiling services providing only predefined styles. >>> >>> Regards, >>> >>> Jorge Gustavo >>> >>> On 26/10/21 12:43, René-Luc Dhont wrote: >>> > Hi Jorge, >>> > >>> > WMS Server can process SLD provide in a GetMap Request. >>> > QGIS Server is able to apply an SLD to a layer and provide the >>> resulting >>> > image. The SLD can be provided through the SLD_BODY parameter or the >>> > SLD parameter for linked file. >>> > >>> https://docs.qgis.org/3.16/en/docs/server_manual/services.html#qgisserver-wms-getmap >>> > This capability is mainly exploited by web clients >>> > >>> > René-Luc >>> > >>> > Le 26/10/2021 à 12:26, Jorge Gustavo Rocha a écrit : >>> >> Hi Kurt, >>> >> >>> >> By design, WMS GetMap requests returns images. Those are rendered on >>> >> the server side, by the map server. Many services just provide those >>> >> rendered images. >>> >> >>> >> Are you trying to provide advanced image processing capabilities on >>> >> the client side to apply an SLD on top those images? >>> >> >>> >> Or would you like to try other GetMap formats, more friendly to >>> >> process on the client side? Like svg or kml? Some of these formats >>> are >>> >> available as vendor options of the map server. >>> >> >>> >> Regards, >>> >> >>> >> Jorge Gustavo >>> >> >>> >> >>> >> On 26/10/21 10:58, Kurt Menke wrote: >>> >>> Hello, >>> >>> We have been developing web apps that allow the user to download the >>> >>> selected extent and data layers as a QGIS project file. Many of the >>> >>> layers are hosted by the government as WMS services. We are >>> wondering >>> >>> if anyone has looked into the possibility of applying an SLD style >>> to >>> >>> a WMS layer in QGIS. We were hoping to be able to edit the *.qgs >>> file >>> >>> programmatically. We would be interested in sponsoring the effort >>> >>> depending on the level of effort required, assuming it is even >>> possible. >>> >>> Best, >>> >>> Kurt >>> >>> >>> >>> -- >>> >>> >>> >>> Kurt Menke >>> >>> >>> >>> GIS-Consultant >>> >>> -------------------------- >>> >>> Septima P/S >>> >>> Frederiksberggade 19, 2nd Floor >>> >>> 1459 Copenhagen >>> >>> >>> >>> Tlf: +45 5114 6444 >>> >>> >>> >>> _______________________________________________ >>> >>> QGIS-Developer mailing list >>> >>> [email protected] >>> >>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer >>> >>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer >>> >>> >>> >> >>> >> J. Gustavo >>> > >>> > >>> > _______________________________________________ >>> > QGIS-Developer mailing list >>> > [email protected] >>> > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer >>> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer >>> > >>> >>> J. Gustavo >>> -- >>> Jorge Gustavo Rocha >>> Departamento de Informática >>> Universidade do Minho >>> 4710-057 Braga >>> Gabinete 3.29 (Piso 3) >>> Tel: +351 253604480 >>> Fax: +351 253604471 >>> Móvel: +351 910333888 >>> skype: nabocudnosor >>> _______________________________________________ >>> QGIS-Developer mailing list >>> [email protected] >>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer >>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer >>> >>
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