Planimeter.java

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import java.util.*;
import net.sf.geographiclib.*;
public class Planimeter {
  public static void main(String[] args) {
    PolygonArea p = new PolygonArea(Geodesic.WGS84, false);
    try {
      Scanner in = new Scanner(System.in);
      while (true) {
        double lat = in.nextDouble(), lon = in.nextDouble();
        p.AddPoint(lat, lon);
      }
    }
    catch (Exception e) {}
    PolygonResult r = p.Compute();
    System.out.println(r.num + " " + r.perimeter + " " + r.area);
  }
}