import Jcg.*;
import Jcg.geometry.*;
import Jcg.viewer.*;
import Jcg.polyhedron.*;

/**
 * A class for testing the Half-edge data structure for representing polyhedral surfaces.
 *
 * @author Luca Castelli Aleardi
 *
 */
public class TestPolyhedron {
 
	/**
	 * Testing a plane triangulation (loaded from an OFF file)
	 */    
	public static void test2D() {   	
    	MeshRepresentation m=new MeshRepresentation();
    	m.readOffFile("delaunay100.off");
    	
    	LoadMesh<Point_2> load2D=new LoadMesh<Point_2>();
    	Point_2[] points2D=LoadMesh.Point3DToPoint2D(m.points);
    	Polyhedron_3<Point_2> planarGraph=
    		load2D.createPolyhedron(points2D,m.faceDegrees,m.faces,m.sizeHalfedges);

    	System.out.println(planarGraph.verticesToString());   	
    	System.out.println(planarGraph.facesToString());
    	planarGraph.isValid(false);
    	
    	Fenetre f=new Fenetre();
    	f.addPolyhedronEdges(planarGraph);
    }

	/**
	 * Testing a 3D surface mesh (loaded from an OFF file)
	 */    
    public static void test3D() {   	
    	MeshRepresentation m=new MeshRepresentation();
    	m.readOffFile("cube.off");
    	LoadMesh<Point_3> load3D=new LoadMesh<Point_3>();
    	
    	Polyhedron_3<Point_3> polyhedron3D=
    		load3D.createPolyhedron(m.points,m.faceDegrees,m.faces,m.sizeHalfedges);
    	System.out.println(polyhedron3D.verticesToString());   	
    	System.out.println(polyhedron3D.facesToString());
    	polyhedron3D.isValid(false);
    	
    	new MeshViewer(polyhedron3D);
    }

    public static void main (String[] args) {
    	if (args.length != 1 || (!args[0].equals("2") && !args[0].equals("3"))) {
    		System.out.println("Usage : java testPolyhedron <dim>\n ou <dim> est la dimension (2 ou 3)");
    		return;
    	}
    	if (args[0].equals("2"))
    		test2D();
    	else  if (args[0].equals("3"))
    		test3D();	
    }
}