Examples with DoubleValuesToCoordinateSequence org.rutebanken.tiamat.geo.DoubleValuesToCoordinateSequence used on opensource projects

Example 1 with DoubleValuesToCoordinateSequence

use of org.rutebanken.tiamat.geo.DoubleValuesToCoordinateSequence in project tiamat by entur.

the class PolygonConverter method convertFrom.

@Override
public Polygon convertFrom(PolygonType polygonType, Type<Polygon> type, MappingContext mappingContext) {
    Optional<List<Double>> optionalExteriorValues = Optional.ofNullable(polygonType).map(PolygonType::getExterior).map(this::extractValues);
    Optional<List<List<Double>>> interiorValues = Optional.ofNullable(polygonType).map(PolygonType::getInterior).map(list -> list.stream().map(this::extractValues).collect(Collectors.toList())).filter(list -> !list.isEmpty());
    if (optionalExteriorValues.isPresent()) {
        List<Double> exteriorValues = optionalExteriorValues.get();
        CoordinateSequence exteriorCoordinateSequence = doubleValuesToCoordinateSequence.convert(exteriorValues);
        LinearRing exteriorLinearRing = new LinearRing(exteriorCoordinateSequence, geometryFactory);
        LinearRing[] interiorHoles = null;
        if (interiorValues.isPresent()) {
            interiorHoles = interiorValues.get().stream().map(doubleValuesToCoordinateSequence::convert).map(coordinateSequence -> new LinearRing(coordinateSequence, geometryFactory)).toArray(size -> new LinearRing[size]);
        }
        return new Polygon(exteriorLinearRing, interiorHoles, geometryFactory);
    }
    logger.warn("Cannot convert polygon from PolygonType. Cannot find exterior values: {}", polygonType);
    return null;
}