new Coordinate(0.0, 51.5) });
DWithin filter = ff.dwithin(ff.property(aname("geo")), ff.literal(line), 130000d, "metre");
FeatureCollection features = dataStore.getFeatureSource(tname("geopoint")).getFeatures(
filter);
assertEquals(1, features.size());
FeatureIterator fi = features.features();
assertTrue(fi.hasNext());
SimpleFeature feature = (SimpleFeature) fi.next();
assertEquals("Reykjavik", feature.getAttribute("name"));
fi.close();
}