/*******************************************************************************
* Copyright 2012 Geoscience Australia
*
* 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 au.gov.ga.earthsci.worldwind.common.terrain;
import gov.nasa.worldwind.globes.ElevationModel;
import gov.nasa.worldwind.terrain.CompoundElevationModel;
import au.gov.ga.earthsci.worldwind.common.layers.Bounded;
import au.gov.ga.earthsci.worldwind.common.layers.Bounds;
/**
* Extension to {@link CompoundElevationModel} that implements the
* {@link Bounded} interface.
*
* @author Michael de Hoog (michael.dehoog@ga.gov.au)
*/
public class BoundedCompoundElevationModel extends CompoundElevationModel implements Bounded
{
@Override
public Bounds getBounds()
{
Bounds bounds = null;
for (ElevationModel model : getElevationModels())
{
if (model instanceof Bounded)
{
bounds = Bounds.union(bounds, ((Bounded) model).getBounds());
}
}
return bounds;
}
@Override
public boolean isFollowTerrain()
{
return true;
}
}