/**
* Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
*
* Licensed 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.
*/
package org.onebusaway.transit_data_federation.impl;
import org.onebusaway.geospatial.model.CoordinatePoint;
import org.onebusaway.geospatial.model.XYPoint;
import org.onebusaway.geospatial.services.UTMLibrary;
import org.onebusaway.geospatial.services.UTMProjection;
import org.onebusaway.transit_data_federation.model.ProjectedPoint;
public class ProjectedPointFactory {
public static ProjectedPoint forward(double lat, double lon) {
return forward(new CoordinatePoint(lat, lon));
}
public static ProjectedPoint forward(CoordinatePoint latlon) {
int zone = UTMLibrary.getUTMZoneForLongitude(latlon.getLon());
return forward(latlon, zone);
}
public static ProjectedPoint forward(CoordinatePoint latlon, int zone) {
UTMProjection projection = new UTMProjection(zone);
XYPoint point = projection.forward(latlon);
return new ProjectedPoint(latlon.getLat(), latlon.getLon(), point.getX(),
point.getY(), zone);
}
public static ProjectedPoint ensureSrid(ProjectedPoint point, int srid) {
if (srid == point.getSrid())
return point;
return forward(point.toCoordinatePoint(), srid);
}
public static ProjectedPoint reverse(double x, double y, int srid) {
UTMProjection projection = new UTMProjection(srid);
XYPoint p = new XYPoint(x, y);
CoordinatePoint latlon = projection.reverse(p);
return new ProjectedPoint(latlon.getLat(), latlon.getLon(), x, y, srid);
}
}