On Fri, Sep 14, 2018 at 9:34 PM Olyster <[email protected]> wrote:
> Andrea, > > The polygon is a multipolygon and unfortunately the gs:clip doesn't seem to > handle it as it returns a bunch of coordinate one after the other without > any kind of seperation. > This is unexpected. Can you please show us the inputs, outputs and request as GML/XML? > Could you point me in the package/class where this clipping is done ? Maybe > I could use the same function on the features returned by the spatial > query. > The class doing clipping for WMS is this one: https://github.com/geotools/geotools/blob/2275e27a4f55fcd1d883fab82a926040d8539168/modules/library/main/src/main/java/org/geotools/geometry/jts/GeometryClipper.java#L46 Mind, it's a fast rectangular clipping but results are not guaranteed to be topologically valid anymore, which WMS does not care about and draws regardless, but a WFS client might complain about. If you need to ensure topological validity you'll have to uses JTS intersect method, and then clean up the results (they will contain, in general, a mix of ponts, lines and polygons) Cheers Andrea == 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.*
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