eu.limetri.client.mapviewer.swing.render.DataSetRenderer Maven / Gradle / Ivy

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/*
 * Copyright (C) 2008-2013 LimeTri. All rights reserved.
 *
 * AgroSense 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 3 of the License, or (at your option) any later
 * version.
 *
 * There are special exceptions to the terms and conditions of the GPLv3 as it
 * is applied to this software, see the FLOSS License Exception
 * .
 *
 * AgroSense 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
 * AgroSense. If not, see .
 * 
 * Contributors:
 *    Timon Veenstra  - initial API and implementation and/or initial documentation
 */
package eu.limetri.client.mapviewer.swing.render;

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import eu.limetri.api.geo.DataSet;
import eu.limetri.client.mapviewer.api.Palette;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.geom.Point2D;
import org.netbeans.api.visual.model.ObjectState;

/**
 *
 * @author Timon Veenstra 
 */
public class DataSetRenderer {

    private static final int POINT_WIDTH_HEIGHT = 10;

    /**
     * paint the data set
     *
     * @param dataSet should already be limited to the set within envelope to
     * draw
     * @param viewport
     * @param palette
     * @param graphics
     * @param state
     * @param translator
     */
    void paint(DataSet dataSet, Geometry boundingBox, Rectangle viewport, Graphics2D canvas, Palette palette, ObjectState state, GeoTranslator translator) {

        canvas.setStroke(new BasicStroke(2, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
        canvas.setPaint(Color.BLACK);
        dataSet.stream().parallel().forEach((record) -> {
            Graphics2D g = (Graphics2D)canvas.create();
            Coordinate c = new Coordinate(record.getLon(), record.getLat());
            final Point2D pointOnMap = translator.geoToPixel(viewport, boundingBox, c);

            final int x = (int) (pointOnMap.getX() - viewport.getBounds().getX());
            final int y = (int) (pointOnMap.getY() - viewport.getBounds().getY());

            g.setPaint(palette.getColorForValue(record.getValue()));
            g.fillOval(x, y, POINT_WIDTH_HEIGHT, POINT_WIDTH_HEIGHT);
            g.dispose();
        });

    }
}