It doesn't work for polygons
28.08.2014 9:11 пользователь "sunish" <sunish.ku...@gmail.com> написал:
> Have you tried the GeodeticCalculator?
>
>
> http://docs.geotools.org/latest/userguide/library/referencing/calculator.html
>
>
> On Thu, Aug 28, 2014 at 12:32 AM, Serega Sheypak <serega.shey...@gmail.com
> > wrote:
>
>> I know it :)
>> All Geometry objects have coordinates in degrees (longitude, latitude),
>> since it's a WSG_84 shape file. You can't use distance method because it
>> works only for "planar" objects, correctly projected on 2D sufrace.
>>
>>
>> 2014-08-27 20:26 GMT+04:00 sunish <sunish.ku...@gmail.com>:
>>
>> SimpleFeatureIterator it = features.features();
>>>
>>> while (it.hasNext()) {
>>> SimpleFeature f = it.next();
>>> Geometry geom = f.getDefaultGeometry();
>>> }
>>> it.close();
>>>
>>> Geometry has function distance(Geometry geom2);
>>>
>>>
>>> http://www.vividsolutions.com/jts/javadoc/com/vividsolutions/jts/geom/Geometry.html
>>>
>>>
>>> http://www.vividsolutions.com/jts/javadoc/com/vividsolutions/jts/geom/Geometry.html#distance%28com.vividsolutions.jts.geom.Geometry%29
>>>
>>>
>>>
>>> On Wed, Aug 27, 2014 at 3:45 PM, Serega Sheypak <
>>> serega.shey...@gmail.com> wrote:
>>>
>>>> Hi, I have a several multiplogons loaded from shp file
>>>> I'm usng import org.geotools.data.DataStore to load multipolygons and
>>>> SimpleFeatureCollection features = featureSource.features to iterate
>>>> over loaded geometries.
>>>> My geometries have longitude, latitude coordinates.
>>>>
>>>> I want to calculate distance between my multipolygons and get result in
>>>> meters. If multipolygons intersects, distance should be 0.0 meters.
>>>>
>>>> I have a mess in my head, I've tried to use
>>>> http://docs.geotools.org/latest/tutorials/geometry/geometrycrs.html
>>>>
>>>> but it uses deprecated classes.. Can you give me some link to read how
>>>> to do it in Java?
>>>>
>>>>
>>>>
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>>>>
>>>
>>>
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>>
>
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