Add function for printing TestCase from false positive

Added a function for the generation of TestCases during debugging for
quicker analysis of false positive self-intersections.

CityDoctorParent/CityDoctorEdge/src/main/java/de/hft/stuttgart/citydoctor2/edge/DebugUtils.java

@@ -211,6 +211,83 @@ public class DebugUtils {
 		return counterArr[0];
 	}
 
+	public static void printFPSelfIntersectionTestCaseCode(PolygonPolygonIntersection... intersectionResults){
+		for (PolygonPolygonIntersection intersection : intersectionResults) {
+			printFPSelfIntersectionTestCaseCode(intersection.getPolygon1(), intersection.getPolygon2());
+		}
+	}
+
+	public static void printFPSelfIntersectionTestCaseCode(EdgePolygon polygon1, EdgePolygon polygon2) {
+		Locale.setDefault(Locale.US);
+		System.out.println("-----------------------------------------------------");
+		System.out.println("");
+
+		System.out.println("@Test");
+		System.out.println("public void testFalsePositiveCASENAME() {");
+		printTabbedLine("Geometry geom = new Geometry(GeometryType.SOLID, Lod.LOD1);");
+		System.out.println("");
+
+		printTestCasePolygonCode(polygon1, polygon2);
+
+
+		printTabbedLine("CDPolygonNs edgePoly1 = CDPolygonNs.of(p1, new HashMap<>());");
+		printTabbedLine("CDPolygonNs edgePoly2 = CDPolygonNs.of(p2, new HashMap<>());");
+		printTabbedLine("List<PolygonPolygonIntersection> intersectPolygons;");
+		printTabbedLine("intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1, edgePoly2, 0.000001, 0.001);");
+		printTabbedLine("assertNotNull(intersectPolygons);");
+		printTabbedLine("assertTrue(intersectPolygons.isEmpty());");
+		System.out.println("");
+
+
+		printTabbedLine("intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly2, edgePoly1, 0.000001, 0.001);");
+		printTabbedLine("assertNotNull(intersectPolygons);");
+		printTabbedLine("assertTrue(intersectPolygons.isEmpty());");
+		System.out.println("}");
+	}
+
+	private static void printTabbedLine(String line){
+		Locale.setDefault(Locale.US);
+		String format = "\t%s\n";
+		System.out.format(format, line);
+	}
+
+	private static void printTestCasePolygonCode(EdgePolygon polygon1, EdgePolygon polygon2) {
+		printTabbedLine("Polygon p1 = new ConcretePolygon();");
+		printTabbedLine("geom.addPolygon(p1);");
+		printTabbedLine("LinearRing ext = new LinearRing(LinearRingType.EXTERIOR);");
+		printTabbedLine("p1.setExteriorRing(ext);");
+		printTabbedLine("List<Vertex> vertices= new ArrayList<>();");
+		printTestCasePolygonVertices(polygon1);
+		System.out.println("");
+
+		printTabbedLine("Polygon p2 = new ConcretePolygon();");
+		printTabbedLine("geom.addPolygon(p2);");
+		printTabbedLine("ext = new LinearRing(LinearRingType.EXTERIOR);");
+		printTabbedLine("p2.setExteriorRing(ext);");
+		printTabbedLine("vertices= new ArrayList<>();");
+		printTestCasePolygonVertices(polygon2);
+		System.out.println("");
+
+	}
+
+	private static void printTestCasePolygonVertices(EdgePolygon polygon) {
+		List<Coordinate3d> coordList = polygon.getCoordinates();
+		NumberFormat nf = NumberFormat.getNumberInstance();
+		nf.setMaximumFractionDigits(30);
+
+		String vertexFormat = "vertices.add(new Vertex(%s,%s,%s));";
+        for (Coordinate3d coordinate3d : coordList) {
+            Point3d point = coordinate3d.getPoint();
+            printTabbedLine(String.format(vertexFormat,
+                    nf.format(point.getX()), nf.format(point.getY()), nf.format(point.getZ())));
+        }
+		// close ring
+		Point3d point = coordList.get(0).getPoint();
+		printTabbedLine(String.format(vertexFormat,point.getX(),point.getY(),point.getZ()));
+		printTabbedLine("ext.addAllVertices(vertices);");
+	}
+
+
 	public static int printCityDoctorPolygons(Polygon... polygons) {
 		Locale.setDefault(Locale.US);
 		NumberFormat nf = NumberFormat.getNumberInstance();