openlr.utils.locref.boundary.CircleBoundingBoxCalculator Maven / Gradle / Ivy
/**
* Licensed to the TomTom International B.V. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. TomTom International B.V.
* licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
* Copyright (C) 2009-2019 TomTom International B.V.
*
* TomTom (Legal Department)
* Email: [email protected]
*
* TomTom (Technical contact)
* Email: [email protected]
*
* Address: TomTom International B.V., Oosterdoksstraat 114, 1011DK Amsterdam,
* the Netherlands
*
* Copyright (C) 2009-2019 TomTom International B.V.
*
* TomTom (Legal Department)
* Email: [email protected]
*
* TomTom (Technical contact)
* Email: [email protected]
*
* Address: TomTom International B.V., Oosterdoksstraat 114, 1011DK Amsterdam,
* the Netherlands
*/
/**
* Copyright (C) 2009-2019 TomTom International B.V.
*
* TomTom (Legal Department)
* Email: [email protected]
*
* TomTom (Technical contact)
* Email: [email protected]
*
* Address: TomTom International B.V., Oosterdoksstraat 114, 1011DK Amsterdam,
* the Netherlands
*/
package openlr.utils.locref.boundary;
import openlr.map.GeoCoordinates;
import openlr.map.GeoCoordinatesImpl;
import openlr.map.InvalidMapDataException;
import openlr.map.RectangleCorners;
import openlr.map.utils.GeometryUtils;
import openlr.rawLocRef.RawLocationReference;
/**
* Calculates a bounding box for circle location references.
*
* OpenLR is a trade mark of TomTom International B.V.
*
* email: [email protected]
*
* @author TomTom International B.V.
*/
final class CircleBoundingBoxCalculator implements
BoundingBoxCalculator {
/**
* Meters per kilometer as double value
*/
private static final double METERS_PER_KILOMETER = 1000.;
@Override
public RectangleCorners calculateBoundary(
final RawLocationReference locRef)
throws InvalidMapDataException {
GeoCoordinates center = locRef.getCenterPoint();
double lon = center.getLongitudeDeg();
double lat = center.getLatitudeDeg();
double radiusInKilometers = locRef.getRadius() / METERS_PER_KILOMETER;
// we determine lower left and upper right by the expansion of the circle
double longLeft = GeometryUtils.determineCoordinateInDistance(
lon, lat, (int) GeometryUtils.THREE_QUARTER_CIRCLE, radiusInKilometers).getLongitudeDeg();
double longRight = GeometryUtils.determineCoordinateInDistance(
lon, lat, (int) GeometryUtils.QUARTER_CIRCLE, radiusInKilometers).getLongitudeDeg();
double latLeft = GeometryUtils.determineCoordinateInDistance(
lon, lat, (int) GeometryUtils.HALF_CIRCLE, radiusInKilometers).getLatitudeDeg();
double latRight = GeometryUtils.determineCoordinateInDistance(
lon, lat, 0, radiusInKilometers).getLatitudeDeg();
return new RectangleCorners(new GeoCoordinatesImpl(longLeft,
latLeft), new GeoCoordinatesImpl(longRight, latRight));
}
}