Examples with Point org.activityinfo.shared.report.content.Point used on opensource projects

Example 16 with Point

use of org.activityinfo.shared.report.content.Point in project activityinfo by bedatadriven.

the class KMeans method computeCenters.

/**
 * Computes the centers of the assigned clusters
 *
 * @param nodes
 *            The list of nodes
 * @param membership
 *            An array containing the cluster membership for each node
 * @param centers
 *            Array of center points to update
 */
private static void computeCenters(List<MarkerGraph.Node> nodes, int[] membership, Point[] centers) {
    int[] sumX = new int[centers.length];
    int[] sumY = new int[centers.length];
    int[] counts = new int[centers.length];
    for (int i = 0; i != nodes.size(); ++i) {
        Point point = nodes.get(i).getPoint();
        sumX[membership[i]] += point.getX();
        sumY[membership[i]] += point.getY();
        counts[membership[i]]++;
    }
    for (int i = 0; i != centers.length; ++i) {
        if (counts[i] > 0) {
            centers[i] = new Point(sumX[i] / counts[i], sumY[i] / counts[i]);
        }
    }
}

Example 17 with Point

use of org.activityinfo.shared.report.content.Point in project activityinfo by bedatadriven.

the class CircleMathTest method testTangentIntersection.

@Test
public void testTangentIntersection() {
    Point a = new Point(0, 0);
    Point b = new Point(2, 0);
    Assert.assertEquals(0.0, CircleMath.intersectionArea(a, b, 1, 1), DELTA);
}

Example 18 with Point

use of org.activityinfo.shared.report.content.Point in project activityinfo by bedatadriven.

the class CoincidentPointsClusterTest method testSimpleData.

@Test
public void testSimpleData() throws Exception {
    List<PointValue> points = new ArrayList<PointValue>();
    points.add(new PointValue(new SiteDTO(), new MapSymbol(), 7.0, new Point(0, 0)));
    points.add(new PointValue(new SiteDTO(), new MapSymbol(), 2.0, new Point(0, 0)));
    points.add(new PointValue(new SiteDTO(), new MapSymbol(), 41.0, new Point(100, 100)));
    points.add(new PointValue(new SiteDTO(), new MapSymbol(), 9.0, new Point(0, 0)));
    points.add(new PointValue(new SiteDTO(), new MapSymbol(), 39.0, new Point(100, 100)));
    double originalSum = 7 + 2 + 9 + 41 + 39;
    // Now build the graph
    MarkerGraph graph = new MarkerGraph(points, new BubbleIntersectionCalculator(15));
    GeneticSolver solver = new GeneticSolver();
    List<Cluster> clusters = solver.solve(graph, new GsLogCalculator(5, 15), new BubbleFitnessFunctor(), UpperBoundsCalculator.calculate(graph, new FixedRadiiCalculator(5)));
    // check to make sure all values were included
    double sumAfterClustering = 0;
    for (Cluster cluster : clusters) {
        sumAfterClustering += cluster.sumValues();
    }
    Assert.assertEquals(originalSum, sumAfterClustering, 0.0001);
    Assert.assertEquals(2, clusters.size());
    saveClusters(graph, "clusterTest-solution", clusters);
}

Example 19 with Point

use of org.activityinfo.shared.report.content.Point in project activityinfo by bedatadriven.

the class GraphTest method testGraph.

@Test
public void testGraph() throws Exception {
    List<PointValue> points = new ArrayList<PointValue>();
    points.add(new PointValue(null, null, 100, new Point(380, 530)));
    points.add(new PointValue(null, null, 200, new Point(500, 500)));
    points.add(new PointValue(null, null, 50, new Point(650, 550)));
    points.add(new PointValue(null, null, 300, new Point(600, 600)));
    points.add(new PointValue(null, null, 200, new Point(650, 650)));
    points.add(new PointValue(null, null, 30, new Point(500, 1300)));
    points.add(new PointValue(null, null, 150, new Point(200, 200)));
    points.add(new PointValue(null, null, 200, new Point(350, 200)));
    points.add(new PointValue(null, null, 150, new Point(500, 200)));
    points.add(new PointValue(null, null, 30, new Point(700, 200)));
// MarkerGraph graph = new MarkerGraph(points, new
// GraduatedLogCalculator(50, 100), 100);
}

Example 20 with Point

use of org.activityinfo.shared.report.content.Point in project activityinfo by bedatadriven.

the class GraphTest method saveClusters.

protected void saveClusters(MarkerGraph graph, String fileName, List<Cluster> clusters) throws IOException {
    File outputDir = new File("target/report-tests");
    outputDir.mkdirs();
    File outputFile = new File("target/report-tests/" + fileName + ".svg");
    FileWriter svg = new FileWriter(outputFile);
    svg.write("<svg width='100%' height='100%' transform='scale(500)' version='1.1'  " + "xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' >\n");
    for (MarkerGraph.Edge edge : graph.getEdges()) {
        svg.write(String.format("<path d='M%d %d L%d %d' " + "style='stroke:rgb(92,92,92);stroke-width:0.25'/>\n", edge.getA().getPoint().getX(), edge.getA().getPoint().getY(), edge.getB().getPoint().getX(), edge.getB().getPoint().getY()));
    }
    String[] colors = new String[] { "antiquewhite", "blue", "brown", "chartreuse", "cornflowerblue", "crimson", "darkkhaki", "darkorange", "darkorchid", "lightpink", "lightseagreen", "lightskyblue", "lime", "limegreen", "magenta", "mediumaqua" };
    int colorIndex = 0;
    for (int i = 0; i != clusters.size(); ++i) {
        Cluster cluster = clusters.get(i);
        svg.write(String.format("<circle cx='%d' cy='%d' r='%f' " + "style='fill: %s; fill-opacity: 0.5; stroke:none'/>\n", cluster.getPoint().getX(), cluster.getPoint().getY(), cluster.getRadius(), colors[colorIndex]));
        for (PointValue pointValue : cluster.getPointValues()) {
            svg.write(String.format("<circle cx='%d' cy='%d' r='1.5' " + "style='stroke:rgb(92,92,92); stroke-width:0.1; fill: %s' title='%f'/>\n", pointValue.getPx().getX(), pointValue.getPx().getY(), colors[colorIndex], pointValue.getValue()));
        }
        colorIndex++;
        if (colorIndex == colors.length) {
            colorIndex = 0;
        }
    }
    // label subgraphs
    List<List<MarkerGraph.Node>> subgraphs = graph.getSubgraphs();
    for (int i = 0; i != subgraphs.size(); ++i) {
        Point p = findLR(subgraphs.get(i));
        svg.write(String.format("<text x='%d' y='%d'>%d</text>\n", p.getX() + 5, p.getY(), i));
    }
    svg.write("</svg>\n");
    svg.close();
}