Contains or within
-
http://tsusiatsoftware.net/jts/javadoc/com/vividsolutions/jts/geom/Geometry.html#contains(com.vividsolutions.jts.geom.Geometry)
If you have a bunch to test use a prepared geometry for speed (so it does not
have to recreate the edge graph each time). For a discussion see here:
-
http://docs.geotools.org/latest/userguide/library/jts/dim9.html#preparedgeometry
Also there *just* point in polygon you can use the class directly:
- IndexedPointInAreaLocator
(http://tsusiatsoftware.net/jts/javadoc/com/vividsolutions/jts/algorithm/locate/IndexedPointInAreaLocator.html)
Also note that the same relationship (ie contains) can be used with a GeoTools
Query when asking for polygons from a feature source.
See the "Use a point for to Check Polygon Layers" example here:
- http://docs.geotools.org/latest/userguide/library/main/filter.html (it
includes pictures of what is going on)
--
Jody Garnett
On Monday, 11 July 2011 at 7:07 AM, Ted Yu wrote:
> I went over the methods in Geometry interface and didn't find a method which
> can tell whether a point is inside a Geometry.
>
> How can I do that ?
>
> Thanks
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------------------------------------------------------------------------------
All of the data generated in your IT infrastructure is seriously valuable.
Why? It contains a definitive record of application performance, security
threats, fraudulent activity, and more. Splunk takes this data and makes
sense of it. IT sense. And common sense.
http://p.sf.net/sfu/splunk-d2d-c2
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