On Monday, 11 July 2011 at 8:50 AM, Ted Yu wrote:
> What I plan to do is to check whether any of 100K locations is outside a
> group of geometries.
Is your 100K locations in a data format of some sort? If so make a query with
your group of geometry (make a multi-geometry out of it and use it in a query).
> DirectPosition is not Geometry. So I must resort to MultiPoint which actually
> only contains one point ?
DirectPosition is only used for referencing; it is part of ISO 19107 geometry -
which has not proved useful yet. By useful I mean attracted enough funding to
be used. See: -
http://docs.geotools.org/latest/userguide/library/opengis/geometry.html for
common questions.
> Also, I downloaded geotools which doesn't contain IndexedPointInAreaLocator
> or PreparedGeometryFactory
If you download geotools we include the jts-library.
> Do I have to resort to vividsolutions' distribution?
It is included in the download (or I have made a mistake - can you check
please)!
Jody
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