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/*
* Copyright (c) 2016, Metron, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Metron, Inc. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL METRON, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.metsci.glimpse.worldwind.util;
import com.metsci.glimpse.axis.Axis2D;
import com.metsci.glimpse.axis.listener.AxisListener2D;
import com.metsci.glimpse.util.geo.LatLonGeo;
import com.metsci.glimpse.util.geo.projection.GeoProjection;
import com.metsci.glimpse.util.vector.Vector2d;
import com.metsci.glimpse.worldwind.event.MouseWrapperWorldwind;
import com.metsci.glimpse.worldwind.tile.GlimpseSurfaceTile;
import gov.nasa.worldwind.WorldWindow;
import gov.nasa.worldwind.event.PositionEvent;
import gov.nasa.worldwind.event.PositionListener;
import gov.nasa.worldwind.geom.LatLon;
import gov.nasa.worldwind.geom.Position;
public class WorldWindGlimpseUtils
{
/**
* Establishes a bridge which passes Swing MouseEvents which occur in the provided WorldWindow
* to any GlimpseMouseListeners attached to the provided GlimpseSurfaceTile.
*
* @param wwd
* @param projection
* @param tile
*/
public static void linkMouseEvents( WorldWindow wwd, GeoProjection projection, GlimpseSurfaceTile tile )
{
MouseWrapperWorldwind.linkMouseEvents( wwd, projection, tile );
}
/**
* Links two WorldWindows so that the eye position of the master window is copied to the
* eye position of the slave. Does not set up the reverse link. However, the caller may call
* again with the arguments reversed to have both windows reflect each others position.
*
* @param master
* @param slave
*/
public static void linkWorldWindToWorldWind( final WorldWindow master, final WorldWindow slave )
{
master.addPositionListener( new PositionListener( )
{
@Override
public void moved( PositionEvent event )
{
Position pos = master.getView( ).getCurrentEyePosition( );
slave.getView( ).setEyePosition( pos );
slave.redraw( );
}
} );
}
/**
* Sets up a listener to update the center of the provided axes to reflect the current eye
* position of the WorldWindow. The zoom level of the axes is never changed.
*
* @param wwd
* @param projection
* @param axis
*/
public static void linkAxisToWorldWind( final WorldWindow wwd, final GeoProjection projection, final Axis2D axis )
{
wwd.addPositionListener( new PositionListener( )
{
@Override
public void moved( PositionEvent event )
{
Position pos = wwd.getView( ).getCurrentEyePosition( );
LatLonGeo latlon = fromPosition( pos );
Vector2d center = projection.project( latlon );
double diffX = axis.getMaxX( ) - axis.getMinX( );
double diffY = axis.getMaxY( ) - axis.getMinY( );
double newMinX = center.getX( ) - diffX / 2.0;
double newMaxX = center.getX( ) + diffX / 2.0;
double newMinY = center.getY( ) - diffY / 2.0;
double newMaxY = center.getY( ) + diffY / 2.0;
axis.set( newMinX, newMaxX, newMinY, newMaxY );
axis.validate( );
}
} );
}
/**
* Sets up a listener to update the eye position of the WorldWindow to match the
* center of the provided Glimpse Axis2D (for the given GeoProjection). The elevation
* of the WorldWindow is never adjusted.
*
* @param wwd
* @param projection
* @param axis
*/
public static void linkWorldWindToAxis( final WorldWindow wwd, final GeoProjection projection, final Axis2D axis )
{
axis.addAxisListener( new AxisListener2D( )
{
@Override
public void axisUpdated( Axis2D axis )
{
double diffX = axis.getMaxX( ) - axis.getMinX( );
double diffY = axis.getMaxY( ) - axis.getMinY( );
double centerX = axis.getMinX( ) + diffX / 2.0;
double centerY = axis.getMinY( ) + diffY / 2.0;
LatLonGeo center = projection.unproject( centerX, centerY );
double elevation = wwd.getView( ).getEyePosition( ).getElevation( );
Position pos = toPosition( center, elevation );
wwd.getView( ).setEyePosition( pos );
}
} );
}
public static LatLonGeo fromPosition( Position position )
{
return LatLonGeo.fromDeg( position.getLatitude( ).getDegrees( ), position.getLongitude( ).getDegrees( ) );
}
public static Position toPosition( LatLonGeo latlongeo, double elevation )
{
return Position.fromDegrees( latlongeo.getLatDeg( ), latlongeo.getLonDeg( ), elevation );
}
public static Position toPosition( LatLonGeo latlongeo )
{
return Position.fromDegrees( latlongeo.getLatDeg( ), latlongeo.getLonDeg( ) );
}
public static LatLonGeo fromLatLon( LatLon latlon )
{
return LatLonGeo.fromDeg( latlon.latitude.getDegrees( ), latlon.longitude.getDegrees( ) );
}
public static LatLon toLatLon( LatLonGeo latlongeo )
{
return LatLon.fromDegrees( latlongeo.getLatDeg( ), latlongeo.getLonDeg( ) );
}
}
