For ConvexHullTest:
List<DirectPosition> pos;
pos = this.surfaceToPositions((Surface) res);
However I don't find counterpart for DirectPosition in com.vividsolutions
namespace.
Regards
On Sun, Jul 10, 2011 at 6:02 PM, Ted Yu <[email protected]> wrote:
> My current code is modeled after ConvexHullTest which references
> org.opengis.geometry.Geometry
> In order to use PreparedGeometryFactory, I need to switch to
> com.vividsolutions.jts.geom.Geometry
>
> Please confirm that the two Geometry types are compatible.
>
> BTW I searched all Java files under geotools but didn't find any reference
> to IndexedPointInAreaLocator
>
> Thanks
>
>
> On Sun, Jul 10, 2011 at 5:13 PM, Ted Yu <[email protected]> wrote:
>
>> Can you show some example of query using multi-geometry ?
>>
>> Thanks
>>
>>
>>
>> On Jul 10, 2011, at 4:02 PM, Jody Garnett <[email protected]> wrote:
>>
>> 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.htmlfor
>> 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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