Examples with LinearRing org.locationtech.jts.geom.LinearRing used on opensource projects

Example 16 with LinearRing

use of org.locationtech.jts.geom.LinearRing in project crate by crate.

the class PolygonBuilder method polygon.

protected static Polygon polygon(GeometryFactory factory, Coordinate[][] polygon) {
    LinearRing shell = factory.createLinearRing(polygon[0]);
    LinearRing[] holes;
    if (polygon.length > 1) {
        holes = new LinearRing[polygon.length - 1];
        for (int i = 0; i < holes.length; i++) {
            holes[i] = factory.createLinearRing(polygon[i + 1]);
        }
    } else {
        holes = null;
    }
    return factory.createPolygon(shell, holes);
}

Example 17 with LinearRing

use of org.locationtech.jts.geom.LinearRing in project crate by crate.

the class PolygonBuilder method toPolygon.

protected Polygon toPolygon(GeometryFactory factory) {
    final LinearRing shell = linearRing(factory, this.shell.coordinates);
    final LinearRing[] holes = new LinearRing[this.holes.size()];
    Iterator<LineStringBuilder> iterator = this.holes.iterator();
    for (int i = 0; iterator.hasNext(); i++) {
        holes[i] = linearRing(factory, iterator.next().coordinates);
    }
    return factory.createPolygon(shell, holes);
}

Example 18 with LinearRing

use of org.locationtech.jts.geom.LinearRing in project dhis2-core by dhis2.

the class GeoToolsPrimitiveFromJsonFactory method createPolygonFromJson.

/**
 * Create a GeoTools geometric polygon primitive from coordinates in json.
 *
 * @param json the json array of linear ring
 * @return the polygon
 */
public static Polygon createPolygonFromJson(JsonNode json) {
    // Get the json array of coordinates representing the shell and make a
    // linear-ring out of them
    JsonNode shell = json.get(0);
    LinearRing sh = createLinearRingFromJson(shell);
    // Native array of linear-ring holes to pass to GeoFactory
    LinearRing[] holes = null;
    // Get the linear-ring holes if the polygon has any holes
    if (json.size() > 1) {
        // Allocate memory for the holes, i.e. minus the shell
        holes = new LinearRing[shell.size() - 1];
        // Read the json array of linear-ring into holes
        for (int i = 1; i < shell.size(); i++) {
            JsonNode hole = json.get(i);
            if (hole != null && hole.size() > 0) {
                holes[i] = createLinearRingFromJson(hole);
            }
        }
    }
    // Create the polygon from factory
    return FACTORY.createPolygon(sh, holes);
}

Example 19 with LinearRing

use of org.locationtech.jts.geom.LinearRing in project ddf by codice.

the class Wfs20JTStoGML321Converter method convertToPolygonType.

public static PolygonType convertToPolygonType(Polygon polygon, String srsName) {
    PolygonType polygonType = GML320_OBJECT_FACTORY.createPolygonType();
    // exterior
    LineString lineString = polygon.getExteriorRing();
    LinearRing linearRing = lineString.getFactory().createLinearRing(lineString.getCoordinateSequence());
    RingType ringType = convertToRingType(linearRing, srsName);
    JAXBElement<RingType> ringTypeJAXBElement = GML320_OBJECT_FACTORY.createRing(ringType);
    AbstractRingPropertyType abstractRingPropertyType = GML320_OBJECT_FACTORY.createAbstractRingPropertyType();
    abstractRingPropertyType.setAbstractRing(ringTypeJAXBElement);
    polygonType.setExterior(abstractRingPropertyType);
    // interiors
    for (int i = 0; i < polygon.getNumInteriorRing(); i++) {
        LineString interiorRingN = polygon.getInteriorRingN(i);
        LinearRing linearRing1 = interiorRingN.getFactory().createLinearRing(interiorRingN.getCoordinateSequence());
        RingType ringType1 = convertToRingType(linearRing1, srsName);
        JAXBElement<RingType> ringTypeJAXBElement1 = GML320_OBJECT_FACTORY.createRing(ringType1);
        AbstractRingPropertyType abstractRingPropertyType1 = GML320_OBJECT_FACTORY.createAbstractRingPropertyType();
        abstractRingPropertyType1.setAbstractRing(ringTypeJAXBElement1);
        polygonType.getInterior().add(abstractRingPropertyType1);
    }
    polygonType.setSrsName(srsName);
    return polygonType;
}

Example 20 with LinearRing

use of org.locationtech.jts.geom.LinearRing in project ddf by codice.

the class GmdTransformer method setLocationFromPolygon.

private void setLocationFromPolygon(String boundingPolygon, MetacardImpl metacard) {
    try {
        String[] stringArray = boundingPolygon.split(" ");
        List<Coordinate> coordinates = new ArrayList<>();
        for (int i = 0; i < stringArray.length - 1; i += 2) {
            coordinates.add(new Coordinate(Double.parseDouble(stringArray[i]), Double.parseDouble(stringArray[i + 1])));
        }
        LinearRing linearRing = factory.createLinearRing(coordinates.toArray(new Coordinate[coordinates.size()]));
        String wkt = WKT_WRITER_THREAD_LOCAL.get().write(factory.createPolygon(linearRing, null));
        if (wkt != null) {
            metacard.setAttribute(Core.LOCATION, wkt);
        }
    } catch (NumberFormatException nfe) {
        LOGGER.debug("Unable to parse double in {}. Metacard location will not be set.", boundingPolygon);
    }
}