Thanks Andrea for the explanation Le mer. 1 juil. 2020 à 14:10, Andrea Aime <[email protected]> a écrit :
> They can be used both, but the specific examples you cite won't work > together: > > - A rendering transformation replaces the source data the style is > used against, you call the SLD on top of a set of points, and, say, > "heatmap" turns it into a raster (so your style must be for the raster) > - A geometry transformation takes a single geometry from a feature and > applies a function to get some other geometry (e.g., from line to centroid > of the line), if there is a rendering transformation it will be applied on > the results of the transformation > > Long story short, they should work together, as long as the RT generates > vector data, and the geometry transformation is meant to work on top of the > results of the RT (not its inputs, it will never see them): > > - pointstacker -> centroid(line) works but the centroid is applied on > the points extracted by the point stacker, doing nothing (the centroid of a > point, is a point) > - heatmap -> centroid(line) does not work, because centroid cannot be > applied on a raster dataset > > > Hope this helps > > Cheers > Andrea > > On Wed, Jul 1, 2020 at 12:56 PM Alexandre Gacon <[email protected]> > wrote: > >> Hi every one, >> >> Is it possible to mix rendering transformation like PointStacker or >> Heatmap with geometry transformation like centroid(line) in styling? >> >> Or should I create a view computing the geometric transformation first? >> (My data are in a Postgis database). >> >> Regards >> >> -- >> Alexandre Gacon >> _______________________________________________ >> 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 >> >> >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/geoserver-users >> > > > -- > > Regards, Andrea Aime > > == GeoServer Professional Services from the experts! Visit > http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf > Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa > (LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 > http://www.geo-solutions.it http://twitter.com/geosolutions_it > ------------------------------------------------------- *Con riferimento > alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - > Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni > circostanza inerente alla presente email (il suo contenuto, gli eventuali > allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i > destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per > errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le > sarei comunque grato se potesse darmene notizia. This email is intended > only for the person or entity to which it is addressed and may contain > information that is privileged, confidential or otherwise protected from > disclosure. We remind that - as provided by European Regulation 2016/679 > “GDPR” - copying, dissemination or use of this e-mail or the information > herein by anyone other than the intended recipient is prohibited. If you > have received this email by mistake, please notify us immediately by > telephone or e-mail.* > -- Alexandre Gacon
_______________________________________________ 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 [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-users
