Thanks Cal. Sing out if you need help with it. Michael
On 6 October 2010 20:22, Calogero Zarbo <[email protected]> wrote: > Hello Michael, > thanks a lot for the reply, i'm going to try ZonalStats of jai-tools, i'll > let you and Nick know if it works as soon as possible. > > Cal > > ________________________________________ > Da: Michael Bedward [[email protected]] > Inviato: mercoledì 6 ottobre 2010 7.59 > A: Calogero Zarbo > Cc: [email protected] > Oggetto: Re: [Geotools-gt2-users] Clip a Raster(GeoTiff) using a Feature > (from a ShapeFile or PostGIS) > > Hello Cal, > > Sorry for the long delay in replying to your message. Please see my > reply to Nick's related post (today) where I mention the possibility > of using image operators from the jai-tools project > (http://code.google.com/p/jai-tools/) > > In particular, I think you could accomplish what you want to do using > the ZonalStats operator with a JAI ROIShape object to represent your > clipping polygon. > > The ZonalStats operator was being ported to GeoTools (see the > unsupported/jai-tools module in svn) by Simone and Daniele. I don't > know if it's usable yet but, if not, you could use the ZonalStats > operator from jai-tools directly on the backing image of a grid > coverage. > > If you try this approach please let us know how you go. > > Michael > > > On 1 October 2010 00:27, Calogero Zarbo <[email protected]> wrote: >> Hello, >> i need some help about how to clip a raster using GeoTools 2.6.1 Library. >> I have a FeatureCollection (took from PostGis or from a simple ShapeFile), >> where i can retrieve the single Features, and i need for all of them to clip >> the corrispondent part of the raster and compute the average value of the >> clipped area. >> >> Note that the Feature's bounds to clip in the raster, could be a complex >> Polygon with many sides. >> Is there enyone that know a solution for that kind of problem? >> >> Best Regards, >> >> >> Cal >> >> ------------------------------------------------------------------------------ >> Start uncovering the many advantages of virtual appliances >> and start using them to simplify application deployment and >> accelerate your shift to cloud computing. >> http://p.sf.net/sfu/novell-sfdev2dev >> _______________________________________________ >> Geotools-gt2-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users >> > ------------------------------------------------------------------------------ Beautiful is writing same markup. Internet Explorer 9 supports standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3. Spend less time writing and rewriting code and more time creating great experiences on the web. Be a part of the beta today. http://p.sf.net/sfu/beautyoftheweb _______________________________________________ Geotools-gt2-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
