On Mon, 4 Mar 2019 at 10:11, Yaniv Ben-Yosef <ya...@m-innovincy.com> wrote:
> Hi Florian, > > This seems to be a good resource for this: > > > https://blog.ianturton.com/geotools,/projections/2017/08/01/area-of-a-polygon.html > Actually that's more about how to use the area function. For the actual algorithm used the best place to look is the code ( https://github.com/locationtech/jts/blob/master/modules/core/src/main/java/org/locationtech/jts/algorithm/Area.java) which suggests that it is based on the Shoelace formula ( http://en.wikipedia.org/wiki/Shoelace_formula). Ian > > Hope this helps, > Yaniv > > On Mon, Mar 4, 2019 at 11:00 AM Florian Micklich <florian.mickl...@web.de> > wrote: > >> Hi everyone, >> >> it is more a jts question, but does anyone know what kind of >> algorithmus and method is used for calculating the area with getArea()? >> So far I couldn't find any documentation about this. >> >> Is there a different beweteen jts geometries and opengis? >> >> >> Thanks >> >> >> >> _______________________________________________ >> GeoTools-GT2-Users mailing list >> GeoTools-GT2-Users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users >> > > > -- > Best regards, > > *Yaniv Ben-Yosef* > *CTO, Milan InnoVincY B.V.* > > *M* +972(54)670 9743 | *S* yaniv.benyosef | *E* ybyo...@m-innovincy.com > <ybyo...@m-innovincy.com> > *The Netherlands* | Kapteynstraat 1 | 2201BB NOORDWIJK > *Rwanda* | *AgriLift Ltd* | KG 536 Axiom Building, behind Telecom House | > KIGALI > > > *Confidential - Do not duplicate or distribute without written permission > from Milan Innovincy B.V© Milan Innovincy B.V, 2017. Any third party right > are hereby acknowledged. All rights reserved. Please consider the > environment – do you really need to print this email?* > _______________________________________________ > GeoTools-GT2-Users mailing list > GeoTools-GT2-Users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users > -- Ian Turton
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