/*
* Copyright (C) 2011-2014 GeoForge Project
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.geoforge.worldwind.layer;
import gov.nasa.worldwind.geom.LatLon;
import gov.nasa.worldwind.geom.Position;
import gov.nasa.worldwind.render.SurfacePolyline;
import java.beans.PropertyChangeListener;
import java.util.Iterator;
import java.util.logging.Logger;
import org.geoforge.lang.util.geography.GfrUtilDmsOperation;
import org.geoforge.java.util.logging.filehandler.FileHandlerLogger;
import org.geoforge.worldwind.handler.IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer;
/**
*
* @author bantchao
*
* email: bantchao_AT_gmail.com
* ... please remove "_AT_" from the above string to get the right email address
*
*/
abstract public class GfrRlrObjTloRndMltSurfacePolylineAbs extends GfrRlrObjTloRndMltAbs
{
// ----
// begin: instantiate logger for this class
final private static Logger _LOGGER_ = Logger.getLogger(GfrRlrObjTloRndMltSurfacePolylineAbs.class.getName());
static
{
GfrRlrObjTloRndMltSurfacePolylineAbs._LOGGER_.addHandler(FileHandlerLogger.s_getInstance());
}
// end: instantiate logger for this class
// ----
protected GfrRlrObjTloRndMltSurfacePolylineAbs(
PropertyChangeListener lstShouldRedraw,
String strId)
throws Exception
{
super(lstShouldRedraw, strId);
}
@Override
public Position getPositionBarycentricObjectGeoforgeWwdEarth() throws Exception
{
double dblMinLat = 500;
double dblMaxLat = -500;
double dblMinLon = 500;
double dblMaxLon = -500;
for (int i=0; i<super._lstObject.size(); i++)
{
IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer objCur = (IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer) super._lstObject.get(i);
Iterator<? extends LatLon> itr = ((SurfacePolyline) objCur).getLocations().iterator();
if (!itr.hasNext())
{
String str = "! itr.hasNext()";
GfrRlrObjTloRndMltSurfacePolylineAbs._LOGGER_.severe(str);
throw new Exception(str);
}
while (itr.hasNext())
{
LatLon llnCur = itr.next();
double[] dbls = llnCur.asDegreesArray();
if (dbls[0] < dblMinLat)//=a
{
dblMinLat = dbls[0];
}
if (dbls[1] < dblMinLon)//=c
{
dblMinLon = dbls[1];
}
if (dbls[0] > dblMaxLat)//=b
{
dblMaxLat = dbls[0];
}
if (dbls[1] > dblMaxLon)//=d
{
dblMaxLon = dbls[1];
}
}
}
double dblLat = dblMinLat;
dblLat += dblMaxLat;
dblLat /= 2;
double dblLon = dblMinLon;
dblLon += dblMaxLon;
dblLon /= 2;
return Position.fromDegrees(dblLat, dblLon);
}
@Override
public double getCharacteristicDimensionObjectGeoforgeRenderableLayer() throws Exception
{
double dblMinLat = 500;
double dblMaxLat = -500;
double dblMinLon = 500;
double dblMaxLon = -500;
for (int i = 0; i < super._lstObject.size(); i++)
{
IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer objCur = (IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer) super._lstObject.get(i);
Iterator<? extends LatLon> itr = ((SurfacePolyline) objCur).getLocations().iterator();;
if (!itr.hasNext())
{
String str = "! itr.hasNext()";
GfrRlrObjTloRndMltSurfacePolylineAbs._LOGGER_.severe(str);
throw new Exception(str);
}
while (itr.hasNext())
{
LatLon llnCur = itr.next();
double[] dbls = llnCur.asDegreesArray();
if (dbls[0] < dblMinLat)//=a
{
dblMinLat = dbls[0];
}
if (dbls[1] < dblMinLon)//=c
{
dblMinLon = dbls[1];
}
if (dbls[0] > dblMaxLat)//=b
{
dblMaxLat = dbls[0];
}
if (dbls[1] > dblMaxLon)//=d
{
dblMaxLon = dbls[1];
}
}
}
double dist = GfrUtilDmsOperation.s_getDistanceFromDeg(dblMinLat, dblMinLon, dblMaxLat, dblMaxLon);
dist *= 2;
return dist;
}
}