private Map<String, Double> fetchLineValues(KmlFeature feature, List<String> parameters) {
try {
double totalLength = feature.getGeometry().getLength();
if (totalLength == 0) return Collections.emptyMap();
Map<SimpleFeature, Double> shares = new HashMap<>();
SimpleFeatureIterator iterator = getIterator();
while (iterator.hasNext()) {
SimpleFeature shape = iterator.next();
Geometry shapeGeo = (Geometry) shape.getDefaultGeometry();
Geometry featureGeo = feature.getGeometry();
if (!featureGeo.crosses(shapeGeo)) continue;
double length = featureGeo.intersection(shapeGeo).getLength();
shares.put(shape, length / totalLength);
}
return fetchValues(shares, parameters);
} catch (Exception e) {
log.error("failed to fetch line parameters", e);
return Collections.emptyMap();
}
}
/**
* Returns a boolean value that shows if this geometry crosses the specified geometry.
*
* @param node1 xml element containing gml object(s)
* @param node2 xml element containing gml object(s)
* @return boolean value
* @throws QueryException query exception
*/
@Deterministic
public Bln crosses(final ANode node1, final ANode node2) throws QueryException {
final Geometry geo1 = checkGeo(node1);
final Geometry geo2 = checkGeo(node2);
return Bln.get(geo1.crosses(geo2));
}
