replace copy mechanism

logo now in jar, extracted when needed to temp dir
change version to 3.10

CityDoctorParent/CityDoctorCheckResult/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>de.hft.stuttgart</groupId>
 		<artifactId>CityDoctorParent</artifactId>
-		<version>3.10.0-SNAPSHOT</version>
+		<version>3.10.0</version>
 	</parent>
 
 	<artifactId>CityDoctorCheckResult</artifactId>

CityDoctorParent/CityDoctorEdge/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>de.hft.stuttgart</groupId>
 		<artifactId>CityDoctorParent</artifactId>
-		<version>3.10.0-SNAPSHOT</version>
+		<version>3.10.0</version>
 	</parent>
 	<artifactId>CityDoctorEdge</artifactId>
 

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

@@ -24,13 +24,15 @@ import java.util.Map;
 
 import de.hft.stuttgart.citydoctor2.datastructure.LinearRing;
 import de.hft.stuttgart.citydoctor2.datastructure.Polygon;
-import de.hft.stuttgart.citydoctor2.datastructure.Vertex;
+import de.hft.stuttgart.citydoctor2.math.MovedPolygon;
+import de.hft.stuttgart.citydoctor2.math.MovedRing;
+import de.hft.stuttgart.citydoctor2.math.Vector3d;
 
 public class CDPolygonNs extends PolygonNs {
 	
 	private List<List<HalfEdge>> innerHalfEdges = new ArrayList<>();
 	
-	public static CDPolygonNs of(Polygon p, Map<Vertex, Coordinate3d> pointMap) {
+	public static CDPolygonNs of(Polygon p, Map<Vector3d, Coordinate3d> pointMap) {
 		List<List<Coordinate3d>> loopCoordinates = new ArrayList<>();
 		List<Coordinate3d> edgeExtRing = createCoordinatesFromRing(pointMap, p.getExteriorRing().getVertices());
 		loopCoordinates.add(edgeExtRing);
@@ -49,6 +51,25 @@ public class CDPolygonNs extends PolygonNs {
 		return new CDPolygonNs(halfEdges, p);
 	}
 	
+	public static CDPolygonNs of(MovedPolygon mp, Map<Vector3d, Coordinate3d> pointMap) {
+		List<List<Coordinate3d>> loopCoordinates = new ArrayList<>();
+		List<Coordinate3d> edgeExtRing = createCoordinatesFromRing(pointMap, mp.getExteriorRing().getVertices());
+		loopCoordinates.add(edgeExtRing);
+		
+		for (MovedRing innerRing : mp.getInnerRings()) {
+			List<Coordinate3d> edgeInnerRing = createCoordinatesFromRing(pointMap, innerRing.getVertices());
+			loopCoordinates.add(edgeInnerRing);
+		}
+		
+		List<List<HalfEdge>> halfEdges = new ArrayList<>();
+		for (List<Coordinate3d> ringCoordinates : loopCoordinates) {
+			List<HalfEdge> currHeList = createHalfEdgesFromCoordinates(ringCoordinates);
+			halfEdges.add(currHeList);
+		}
+		
+		return new CDPolygonNs(halfEdges, mp.getOriginal());
+	}
+	
 	private static List<HalfEdge> createHalfEdgesFromCoordinates(List<Coordinate3d> ringCoordinates) {
 		List<HalfEdge> currHeList = new ArrayList<>();
 		HalfEdge prevHalfEdge = null;
@@ -75,11 +96,11 @@ public class CDPolygonNs extends PolygonNs {
 		return currHeList;
 	}
 	
-	private static List<Coordinate3d> createCoordinatesFromRing(Map<Vertex, Coordinate3d> pointMap,
-			List<Vertex> vertices) {
+	private static List<Coordinate3d> createCoordinatesFromRing(Map<Vector3d, Coordinate3d> pointMap,
+			List<? extends Vector3d> vertices) {
 		List<Coordinate3d> edgeRing = new ArrayList<>();
 		for (int i = 0; i < vertices.size() - 1; i++) {
-			Vertex v = vertices.get(i);
+			Vector3d v = vertices.get(i);
 			Coordinate3d c = pointMap.computeIfAbsent(v, key -> new Coordinate3d(key.getX(), key.getY(), key.getZ()));
 			edgeRing.add(c);
 		}

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

@@ -108,6 +108,22 @@ public class DebugUtils {
 		}
 	}
 	
+	public static void printGeoknechtPolygon(EdgePolygon... polys) {
+		Locale.setDefault(Locale.US);
+		NumberFormat nf = NumberFormat.getNumberInstance();
+		nf.setMaximumFractionDigits(30);
+		for (EdgePolygon poly : polys) {
+			List<Coordinate3d> coordinates = poly.getCoordinates();
+			System.out.print("polygon(");
+			for (Coordinate3d coord : coordinates) {
+				Point3d point = coord.getPoint();
+				writeGeoknechtPoint(nf, point);
+			}
+			writeGeoknechtPoint(nf, coordinates.get(0).getPoint());
+			System.out.println(")");
+		}
+	}
+
 	private static void writeGeoknechtPoint(NumberFormat nf, Point3d point) {
 		System.out.print(nf.format(point.getX()));
 		System.out.print("|");
@@ -167,4 +183,26 @@ public class DebugUtils {
 		return coordVarName;
 	}
 
+	public static void printPolygon3d(EdgePolygon polygon1, EdgePolygon polygon2) {
+		Locale.setDefault(Locale.US);
+		Map<Point3d, String> pointMap = new IdentityHashMap<>();
+		int startCounter = 1;
+		startCounter = printPolygon3d(polygon1, pointMap, startCounter);
+		printPolygon3d(polygon2, pointMap, startCounter);
+	}
+	
+	private static int printPolygon3d(EdgePolygon p, Map<Point3d, String> pointMap, int startCounter) {
+		NumberFormat nf = NumberFormat.getNumberInstance();
+		nf.setMaximumFractionDigits(30);
+		int counter = polygon3dCounter.getAndIncrement();
+		int listCounter = coordListCounter.getAndIncrement();
+		int firstListCounter = listCounter;
+		HalfEdge firstHalfEdge = p.getFirstHalfEdge();
+		int[] counterArr = new int[] {startCounter};
+		System.out.println("Coordinate3dList coords" + firstListCounter + ";");
+		writeRing(pointMap, nf, listCounter, firstHalfEdge, counterArr);
+		System.out.println("CDPolygonNs* p" + counter + " = new CDPolygonNs(coords" + firstListCounter + ");");
+		return counterArr[0];
+	}
+
 }

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

@@ -20,7 +20,6 @@ package de.hft.stuttgart.citydoctor2.edge;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Objects;
 
 import de.hft.stuttgart.citydoctor2.datastructure.Polygon;
 
@@ -78,12 +77,15 @@ public class EdgePolygon extends BaseEntity {
 
 	public List<Coordinate3d> getCoordinates() {
 		List<Coordinate3d> coords = new ArrayList<>();
-		HalfEdge firstHE = Objects.requireNonNull(getFirstHalfEdge());
-		HalfEdge currHE = firstHE;
-		do {
-			coords.add(currHE.getStart());
-			currHE = currHE.getNext();
-		} while (currHE != firstHE);
+		for (HalfEdge he : halfEdges) {
+			coords.add(he.getStart());
+		}
+//		HalfEdge firstHE = Objects.requireNonNull(getFirstHalfEdge());
+//		HalfEdge currHE = firstHE;
+//		do {
+//			coords.add(currHE.getStart());
+//			currHE = currHE.getNext();
+//		} while (currHE != firstHE);
 		return coords;
 	}
 

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

@@ -26,7 +26,7 @@ public class Global {
 	
 	private static double mZeroAngleCosinus = 1.0e-9;
 	private static double mTolVectorsParallel = 1e-9;
-	private static double mHighAccuracyTol = DBL_EPSILON * 100;
+	private static double mHighAccuracyTol = DBL_EPSILON * 5;
 	private static double mTolPointsEqual = 1e-3;
 	
 	private Global() {

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

@@ -147,4 +147,8 @@ public class GmPlane {
 		return new Polygon2d(halfedges);
 	}
 	
+	public Point3d getPoint() {
+		return x0;
+	}
+
 }

CityDoctorParent/CityDoctorEdge/src/main/java/de/hft/stuttgart/citydoctor2/edge/GmStraight2dIntersectionResult.java

@@ -32,9 +32,9 @@ public class GmStraight2dIntersectionResult {
 		return new GmStraight2dIntersectionResult(0, 0, s1, s2, true);
 	}
 
-	public static GmStraight2dIntersectionResult intersecting(double rParam1, double rParam2, GmStraight2d s1,
-			GmStraight2d s2) {
-		return new GmStraight2dIntersectionResult(rParam1, rParam2, s1, s2, false);
+	public static GmStraight2dIntersectionResult intersecting(double paramHE, double paramInt, GmStraight2d straightHE,
+			GmStraight2d straightInt) {
+		return new GmStraight2dIntersectionResult(paramHE, paramInt, straightHE, straightInt, false);
 	}
 
 	private GmStraight2dIntersectionResult(double paramHE, double paramInt, GmStraight2d straightHE,

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

@@ -118,6 +118,7 @@ public class IntersectPlanarPolygons {
 		for (HalfEdge he : polyHEs) {
 			// only check half edges with partners. NOTE: we are just looking
 			// for half edges, shared by both polygons!
+
 			if (he.getPartner() != null) {
 				Point3d start = he.getStart().getPoint();
 				Point3d end = he.getEnd().getPoint();
@@ -154,8 +155,8 @@ public class IntersectPlanarPolygons {
 	/**
 	 * 
 	 * This method checks if the point is a border point of one of the polygons,
-	 * which should be intersected. If this check is successfull, the method tries
-	 * to find the same point in the other polygon.
+	 * which should be intersected. If this check is successful, the method tries to
+	 * find the same point in the other polygon.
 	 * 
 	 * <br>
 	 * Equality in this case means, both polygons sharing the same instance of
@@ -193,6 +194,25 @@ public class IntersectPlanarPolygons {
 		return bothPolygonsSharingThisPoint;
 	}
 
+	/**
+	 * 
+	 * This method does pretty the same stuff like calculateIntersectionIntervals(),
+	 * with the exception, that the straight and the half edges of the polygon will
+	 * be projected on the plane of the polygon, so the calculation of the
+	 * intersection will be reduced to a 2d problem.
+	 * 
+	 * The intersection intervals contains pairs of parameters from the intersection
+	 * straight. If an intersection between the straight and the polygon contains
+	 * only a point, the according interval will contain the same parameter twice
+	 * 
+	 * @param p                    A polygon
+	 * 
+	 * @param intersectingStraight The straight, that should be intersected with the
+	 *                             given polygon
+	 * 
+	 * @return rIntersectionIntervals A list parameter intervals, where the straight
+	 *         is intersecting the polygon
+	 */
 	private static List<Interval> calculateIntersectionIntervals2d(EdgePolygon p, EdgePolygon cpPolygon1,
 			EdgePolygon cpPolygon2, GmStraight intersectingStraight, double epsilon, double angleEpsilon) {
 		List<Interval> intersectionIntervals = new ArrayList<>();
@@ -241,11 +261,11 @@ public class IntersectPlanarPolygons {
 			}
 
 			// The current HalfEdge shares a point with the other polygon and is not
-			// collinear with the intersection straight. Hence, there is now way, that
+			// collinear with the intersection straight. Hence, there is no way, that
 			// this HalfEdge can intersect the other one, because both are planar.
-//			if (currHESharesAPntWithTheOtherPolygon) {
-//				continue;
-//			}
+			if (currHESharesAPntWithTheOtherPolygon) {
+					continue;
+			}
 
 			// project straight on plane
 			GmBoundedStraight2d heStraight2d = polyPlane.projectOn2dStraight(heStraight);
@@ -386,8 +406,8 @@ public class IntersectPlanarPolygons {
 	}
 
 	/**
-	 * Util method. Checks if the given parameter hase been allready inserted as
-	 * intersction parameter. If this is true, the parameter will be added as
+	 * Util method. Checks if the given parameter has already been inserted as
+	 * intersection parameter. If this is true, the parameter will be added as
 	 * intersected polygon corner point. Otherwise it's just a normal intersection
 	 * parameter till now.
 	 * 
@@ -401,7 +421,7 @@ public class IntersectPlanarPolygons {
 	private static void assignParameterToCorrectList(double param, TreeSet<Double> intersectionValues,
 			TreeSet<Double> intersectedPolygonPoints) {
 		if (!intersectionValues.add(param)) {
-			// value is allready present ==> this must be a point of the polygon
+			// value is already present ==> this must be a point of the polygon
 			// note, it's assumed, that the polygon do not intersect itself
 			intersectedPolygonPoints.add(param);
 		}
@@ -557,6 +577,14 @@ public class IntersectPlanarPolygons {
 		Polygon2d poly2d1 = new Polygon2dNs(poly2dCoords1, true);
 		Polygon2d poly2d2 = new Polygon2dNs(poly2dCoords2, true);
 		
+		List<HalfEdge2d> halfEdges = poly2d1.getHalfEdges();
+		for (HalfEdge2d he : halfEdges) {
+			if (he.getPartner() == null) {
+			}
+		}
+		
+		halfEdges = poly2d2.getHalfEdges();
+		
 		List<PolygonPolygonIntersection> result = new ArrayList<>();
 		List<Polygon2dPolygon2dInt> ppi2ds = IntersectPolygon2d.getIntersections(poly2d1, poly2d2, epsilon);
 		for (Polygon2dPolygon2dInt ppi2d : ppi2ds) {

CityDoctorParent/CityDoctorEdge/src/main/java/de/hft/stuttgart/citydoctor2/edge/IntersectPolygon2d.java

@@ -233,7 +233,8 @@ public class IntersectPolygon2d {
 	}
 
 	private static void checkForDoubleUsedPoints(List<PolyLine2d> orIntPolyLines) {
-		for (PolyLine2d currPolyLine : orIntPolyLines) {
+		for (int i = 0; i < orIntPolyLines.size(); i++) {
+			PolyLine2d currPolyLine = orIntPolyLines.get(i);
 			List<PolyLineSegment2d> segs = currPolyLine.getSegments();
 			if (2 == segs.size()) {
 				PolyLine2d newPolyLine = new PolyLine2d(segs.get(0).getStart(), segs.get(0).getEnd());

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

@@ -19,13 +19,14 @@
 package de.hft.stuttgart.citydoctor2.edge;
 
 import java.util.ArrayList;
-import java.util.IdentityHashMap;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
 import de.hft.stuttgart.citydoctor2.datastructure.Geometry;
 import de.hft.stuttgart.citydoctor2.datastructure.Polygon;
-import de.hft.stuttgart.citydoctor2.datastructure.Vertex;
+import de.hft.stuttgart.citydoctor2.math.MovedPolygon;
+import de.hft.stuttgart.citydoctor2.math.Vector3d;
 
 public class MeshSurface {
 	
@@ -34,19 +35,12 @@ public class MeshSurface {
 	public static MeshSurface of(Geometry geom) {
 		List<CDPolygonNs> polygonList = new ArrayList<>();
 		
-		Map<Vertex, Coordinate3d> pointMap = new IdentityHashMap<>();
+		Map<Vector3d, Coordinate3d> pointMap = new HashMap<>();
+		Vector3d moveBy = geom.calculateBoundingBox().getBox()[0];
 		for (Polygon p : geom.getPolygons()) {
-			CDPolygonNs poly = CDPolygonNs.of(p, pointMap);
+			MovedPolygon mp = MovedPolygon.ofPolygon(p, moveBy);
+			CDPolygonNs poly = CDPolygonNs.of(mp, pointMap);
 			polygonList.add(poly);
-//			HalfEdge firstHalfEdge = poly.getFirstHalfEdge();
-//			System.out.println();
-//			System.out.println(firstHalfEdge.getStart());
-//			System.out.println(firstHalfEdge.getEnd());
-//			HalfEdge next = firstHalfEdge.getNext();
-//			while (next != firstHalfEdge) {
-//				System.out.println(next.getEnd());
-//				next = next.getNext();
-//			}
 		}
 		return new MeshSurface(polygonList);
 	}

CityDoctorParent/CityDoctorEdge/src/main/java/de/hft/stuttgart/citydoctor2/edge/Point3d.java

@@ -81,4 +81,36 @@ public class Point3d {
 		return "Point3d [x=" + x + ", y=" + y + ", z=" + z + "]";
 	}
 
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		long temp;
+		temp = Double.doubleToLongBits(x);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		temp = Double.doubleToLongBits(y);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		temp = Double.doubleToLongBits(z);
+		result = prime * result + (int) (temp ^ (temp >>> 32));
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		Point3d other = (Point3d) obj;
+		if (Double.doubleToLongBits(x) != Double.doubleToLongBits(other.x))
+			return false;
+		if (Double.doubleToLongBits(y) != Double.doubleToLongBits(other.y))
+			return false;
+		if (Double.doubleToLongBits(z) != Double.doubleToLongBits(other.z))
+			return false;
+		return true;
+	}
+
 }

CityDoctorParent/CityDoctorEdge/src/main/java/de/hft/stuttgart/citydoctor2/edge/PolyLine2d.java

@@ -159,4 +159,9 @@ public class PolyLine2d extends BaseEntity {
 		return pRightLine;
 	}
 
+	@Override
+	public String toString() {
+		return "PolyLine2d [mpFirst=" + mpFirst + ", mpLast=" + mpLast + "]";
+	}
+
 }

CityDoctorParent/CityDoctorEdge/src/main/java/de/hft/stuttgart/citydoctor2/edge/Polygon2dPolygon2dInt.java

@@ -48,4 +48,10 @@ public class Polygon2dPolygon2dInt {
 	public Polygon2d getPolygon2() {
 		return mcpPolygon2;
 	}
+
+	@Override
+	public String toString() {
+		return "Polygon2dPolygon2dInt [mcpPolygon1=" + mcpPolygon1 + ", mcpPolygon2=" + mcpPolygon2 + ", line=" + line
+				+ ", intType=" + intType + "]";
+	}
 }

CityDoctorParent/CityDoctorEdge/src/test/java/de/hft/stuttgart/citydoctor2/edge/MeshSurfaceUtilsTest.java

@@ -142,7 +142,8 @@ public class MeshSurfaceUtilsTest {
 		assertEquals(2, coordChildren.size());
 
 		CDPolygonNs edgePoly2 = meshSurface.getPolygons().get(1);
-		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1, edgePoly2, 0.000001, 0.001);
+		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1,
+				edgePoly2, 0.000001, 0.001);
 		assertNotNull(intersectPolygons);
 		assertTrue(intersectPolygons.isEmpty());
 
@@ -193,7 +194,8 @@ public class MeshSurfaceUtilsTest {
 
 		CDPolygonNs edgePoly1 = meshSurface.getPolygons().get(0);
 		CDPolygonNs edgePoly2 = meshSurface.getPolygons().get(1);
-		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1, edgePoly2, 0.000001, 0.001);
+		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1,
+				edgePoly2, 0.000001, 0.001);
 		assertNotNull(intersectPolygons);
 		assertTrue(intersectPolygons.isEmpty());
 
@@ -246,7 +248,8 @@ public class MeshSurfaceUtilsTest {
 		CDPolygonNs edgePoly1 = meshSurface.getPolygons().get(0);
 		CDPolygonNs edgePoly2 = meshSurface.getPolygons().get(1);
 
-		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1, edgePoly2, 0.000001, 0.001);
+		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1,
+				edgePoly2, 0.000001, 0.001);
 		assertNotNull(intersectPolygons);
 		assertEquals(1, intersectPolygons.size());
 		PolygonPolygonIntersection in = intersectPolygons.get(0);
@@ -265,6 +268,69 @@ public class MeshSurfaceUtilsTest {
 		assertEquals(IntersectionType.PARTIALLY_EMBEDDED_POLYGON, in.getIntersectionType());
 	}
 	
+	@Test
+	public void testIntersectionTwoPolygonsOneSharedEdgeIntersectionPolygonPlanar2() {
+		Geometry geom = new Geometry(GeometryType.SOLID, Lod.LOD1);
+
+		Polygon p1 = new ConcretePolygon();
+		geom.addPolygon(p1);
+		LinearRing ext = new LinearRing(LinearRingType.EXTERIOR);
+		p1.setExteriorRing(ext);
+		Vertex v1 = new Vertex(0, 0, 0);
+		Vertex v2 = new Vertex(6, 0, 0);
+		Vertex v3 = new Vertex(6, 6, 0);
+		Vertex v4 = new Vertex(0, 6, 0);
+
+		ext.addVertex(v1);
+		ext.addVertex(v2);
+		ext.addVertex(v3);
+		ext.addVertex(v4);
+		ext.addVertex(v1);
+
+		Polygon p2 = new ConcretePolygon();
+		geom.addPolygon(p2);
+		ext = new LinearRing(LinearRingType.EXTERIOR);
+		p2.setExteriorRing(ext);
+		Vertex v5 = new Vertex(10, 0, 0);
+		Vertex v6 = new Vertex(10, 10, 0);
+		Vertex v7 = new Vertex(-2, 10, 0);
+		Vertex v8 = new Vertex(-2, 3, 0);
+
+		ext.addVertex(v2);
+		ext.addVertex(v5);
+		ext.addVertex(v6);
+		ext.addVertex(v7);
+		ext.addVertex(v8);
+		ext.addVertex(v3);
+		ext.addVertex(v2);
+
+		MeshSurface meshSurface = MeshSurface.of(geom);
+		List<CDPolygonNs> polygons = meshSurface.getPolygons();
+		assertEquals(2, polygons.size());
+
+		CDPolygonNs edgePoly1 = meshSurface.getPolygons().get(0);
+		CDPolygonNs edgePoly2 = meshSurface.getPolygons().get(1);
+
+		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1,
+				edgePoly2, 0.000001, 0.001);
+		assertNotNull(intersectPolygons);
+		assertEquals(1, intersectPolygons.size());
+		PolygonPolygonIntersection in = intersectPolygons.get(0);
+		assertEquals(IntersectionType.PARTIALLY_EMBEDDED_POLYGON, in.getIntersectionType());
+		PolyLine polyLine = in.getPolyLine();
+		PolyLineSegment firstSegment = polyLine.getFirstSegment();
+		Point3d start = firstSegment.getStart().getPoint();
+		assertEquals(2, start.getX(), 0.0000001);
+		assertEquals(6, start.getY(), 0.0000001);
+		assertEquals(0, start.getZ(), 0.0000001);
+
+		intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly2, edgePoly1, 0.000001, 0.001);
+		assertNotNull(intersectPolygons);
+		assertEquals(1, intersectPolygons.size());
+		in = intersectPolygons.get(0);
+		assertEquals(IntersectionType.PARTIALLY_EMBEDDED_POLYGON, in.getIntersectionType());
+	}
+
 	@Test
 	public void testIntersectionTwoPolygonsOneSharedEdgeCloseEdgePlanar() {
 		Geometry geom = new Geometry(GeometryType.SOLID, Lod.LOD1);
@@ -309,7 +375,8 @@ public class MeshSurfaceUtilsTest {
 		CDPolygonNs edgePoly1 = meshSurface.getPolygons().get(0);
 		CDPolygonNs edgePoly2 = meshSurface.getPolygons().get(1);
 
-		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1, edgePoly2, 0.000001, 0.001);
+		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1,
+				edgePoly2, 0.000001, 0.001);
 		assertNotNull(intersectPolygons);
 		assertTrue(intersectPolygons.isEmpty());
 
@@ -362,7 +429,8 @@ public class MeshSurfaceUtilsTest {
 		CDPolygonNs edgePoly1 = meshSurface.getPolygons().get(0);
 		CDPolygonNs edgePoly2 = meshSurface.getPolygons().get(1);
 
-		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1, edgePoly2, 0.000001, 0.001);
+		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1,
+				edgePoly2, 0.000001, 0.001);
 		assertNotNull(intersectPolygons);
 		assertTrue(intersectPolygons.isEmpty());
 
@@ -414,7 +482,10 @@ public class MeshSurfaceUtilsTest {
 		CDPolygonNs edgePoly1 = meshSurface.getPolygons().get(0);
 		CDPolygonNs edgePoly2 = meshSurface.getPolygons().get(1);
 		
-		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1, edgePoly2, 0.000001, 0.001);
+		DebugUtils.printGeoknechtPolygon(edgePoly1, edgePoly2);
+
+		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1,
+				edgePoly2, 0.000001, 0.001);
 		assertNotNull(intersectPolygons);
 		assertFalse(intersectPolygons.isEmpty());
 		for (PolygonPolygonIntersection in : intersectPolygons) {
@@ -472,7 +543,63 @@ public class MeshSurfaceUtilsTest {
 		CDPolygonNs edgePoly1 = meshSurface.getPolygons().get(0);
 		CDPolygonNs edgePoly2 = meshSurface.getPolygons().get(1);
 
-		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1, edgePoly2, 0.000001, 0.001);
+		List<PolygonPolygonIntersection> intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly1,
+				edgePoly2, 0.000001, 0.001);
+		assertNotNull(intersectPolygons);
+		assertTrue(intersectPolygons.isEmpty());
+
+		intersectPolygons = IntersectPlanarPolygons.intersectPolygons(edgePoly2, edgePoly1, 0.000001, 0.001);
+		assertNotNull(intersectPolygons);
+		assertTrue(intersectPolygons.isEmpty());
+	}