/*
    This file is part of RouteConverter.

    RouteConverter is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    RouteConverter 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with RouteConverter; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Copyright (C) 2007 Christian Pesch. All Rights Reserved.
*/

package slash.navigation.converter.gui.elevationview;

import slash.navigation.converter.gui.models.PositionsModel;
import org.jfree.data.xy.XYSeries;

/**
 * Provides a {@link XYSeries} model by extracting the elevation from a {@link PositionsModel}.
 *
 * @author Christian Pesch
 */

public class ElevationModel extends PositionsModelToXYSeriesSynchronizer {
    public ElevationModel(PositionsModel positions, XYSeries series) {
        super(positions, series);
    }

    protected void handleAdd(int firstRow, int lastRow) {
        double[] distances = getPositions().getRoute().getDistancesFromStart(firstRow, lastRow);
        for (int i = firstRow; i < lastRow + 1; i++) {
            getSeries().add(distances[i - firstRow] / 1000.0, getPositions().getPosition(i).getElevation());
        }
    }
}
