de.uniwue.dmir.heatmap.util.Test.java Source code

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Here is the source code for de.uniwue.dmir.heatmap.util.Test.java

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/**
 * Heatmap Framework - Core
 *
 * Copyright (C) 2013   Martin Becker
 *                   becker@informatik.uni-wuerzburg.de
 *
 * This program 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.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 */
package de.uniwue.dmir.heatmap.util;

import java.awt.Polygon;

import org.springframework.core.io.ClassPathResource;

import de.uniwue.dmir.heatmap.TileSize;
import de.uniwue.dmir.heatmap.point.sources.geo.GeoCoordinates;
import de.uniwue.dmir.heatmap.point.sources.geo.projections.EquidistantProjection;
import de.uniwue.dmir.heatmap.processors.visualizers.rbf.IDistanceFunction;
import de.uniwue.dmir.heatmap.processors.visualizers.rbf.distances.GreatCircleDistance;
import de.uniwue.dmir.heatmap.tiles.coordinates.TileCoordinates;
import de.uniwue.dmir.heatmap.util.beans.EquidistantProjectionTileSizeFactoryBean;
import de.uniwue.dmir.heatmap.util.beans.GeoPolygonFactoryBean;
import de.uniwue.dmir.heatmap.util.beans.PolygonFromGeoPolygonFacoryBean;

public class Test {
    public static void main(String[] args) throws Exception {

        GeoPolygonFactoryBean geoPolygonFactoryBean = new GeoPolygonFactoryBean(
                new ClassPathResource("spring/example/points/areas/polygon-turin-p3.json"));

        GeoPolygon geoPolygon = geoPolygonFactoryBean.getObject();

        IDistanceFunction<GeoCoordinates> distanceFunction = new GreatCircleDistance.Haversine();

        EquidistantProjectionTileSizeFactoryBean equidistantProjectionTileSizeFactoryBean = new EquidistantProjectionTileSizeFactoryBean(
                10., 10., false, geoPolygon.getGeoBoundingBox(), distanceFunction);

        TileSize tileSize = equidistantProjectionTileSizeFactoryBean.getObject();

        EquidistantProjection equidistantProjection = new EquidistantProjection(geoPolygon.getGeoBoundingBox(),
                tileSize);

        PolygonFromGeoPolygonFacoryBean polygonFromGeoPolygonFacoryBean = new PolygonFromGeoPolygonFacoryBean(
                geoPolygon, new TileCoordinates(0, 0, 0), equidistantProjection);

        Polygon polygon = polygonFromGeoPolygonFacoryBean.getObject();

        int pixelsInsidePolygon = 0;
        for (int x = 0; x < tileSize.getWidth(); x++) {
            for (int y = 0; y < tileSize.getHeight(); y++) {
                if (polygon.contains(x, y)) {
                    pixelsInsidePolygon++;
                }
            }
        }

        System.out.println(pixelsInsidePolygon + " / " + tileSize.getWidth() * tileSize.getHeight());

        System.out.println(pixelsInsidePolygon * 10. * 10 / 1000 / 1000 + " / "
                + tileSize.getWidth() * tileSize.getHeight() * 10. / 1000 / 1000);
    }
}