Exemple #1
0
        public void TestBreakAndCreateNew()
        {
            SLAV slav = new SLAV();

            //NEED TO MAINTAIN THIS LIST FOR TESTING PURPOSES
            LAV localLav = new LAV();

            Vertex v1 = new Vertex(0, 3);
            Vertex v2 = new Vertex(2, 0);
            Vertex v3 = new Vertex(4, 2);
            Vertex v4 = new Vertex(6, 0);
            Vertex v5 = new Vertex(8, 3);

            localLav.Add(v1);
            localLav.Add(v2);
            localLav.Add(v3);
            localLav.Add(v4);
            localLav.Add(v5);

            SSLOperations.SetVertexType(localLav);
            SSLOperations.ComputeAngleBisectors(localLav);

            slav.Insert(v1, 0);
            slav.Insert(v2, 0);
            slav.Insert(v3, 0);
            slav.Insert(v4, 0);
            slav.Insert(v5, 0);

            SSLOperations.SetVertexType(slav.Get(0));
            SSLOperations.ComputeAngleBisectors(slav.Get(0));

            LAV lav = slav.Get(0);
            Assert.AreEqual(v1, lav.Get(1));
            Assert.AreEqual(v2, lav.Get(2));
            Assert.AreEqual(v3, lav.Get(3));
            Assert.AreEqual(Vertex.VertexType.Split, lav.Get(3).Type);
            Assert.AreEqual(v4, lav.Get(4));
            Assert.AreEqual(v5, lav.Get(5));

            slav.BreakAndCreateNew(v3, 0);

            lav = slav.Get(0);

            Assert.AreEqual(v1, lav.Get(1));
            Assert.AreEqual(v2, lav.Get(2));
            Assert.AreEqual(new Vertex(4, 3), lav.Get(3));
            Assert.AreEqual(v1, lav.Get(3).GetNextVertex());

            lav = slav.Get(1);

            Assert.AreEqual(new Vertex(4, 3), lav.Get(1));
            Assert.AreEqual(v4, lav.Get(2));
            Assert.AreEqual(v5, lav.Get(3));

            Assert.AreEqual(new Vertex(4, 3), lav.Get(3).GetNextVertex());
        }
Exemple #2
0
        static void Main(string[] args)
        {
            string input = string.Empty;
            string output = string.Empty;

            for (int i = 0; i < args.Length; i++)
            {
                if (args[i].ToUpper() == "-INPUT")
                {
                    input = args[i + 1];
                    i++;
                }
                else if (args[i].ToUpper() == "-OUTPUT")
                {
                    output = args[i + 1];
                    i++;
                }
            }

            IInputReader reader = null;
            if (input.EndsWith(".xml"))
                reader = new XMLReader(input);

            SLAV slav = new SLAV();
            //LAV listOfActiveVertices = new LAV();
            while (reader.IsNotEmpty())
                slav.Insert(reader.GetCurrentVertex(), 0);

            SSLOperations.SetVertexType(slav.Get(0));
            SSLOperations.ComputeAngleBisectors(slav.Get(0));
            List<LineSegment> result = SSLOperations.GenerateSkeleton(slav);

            using (StreamWriter sw = new StreamWriter(output))
            {
                sw.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\" ?>");
                sw.WriteLine("<linesegments>");
                foreach (LineSegment ls in result)
                {
                    sw.WriteLine("\t<linesegment>");
                    sw.WriteLine("\t\t<x>" + ls.Start.GetX() + "</x><y>" + ls.Start.GetY() + "</y>");
                    sw.WriteLine("\t\t<x>" + ls.End.GetX() + "</x><y>" + ls.End.GetY() + "</y>");
                    sw.WriteLine("\t</linesegment>");
                }
                sw.WriteLine("</linesegments>");
            }
        }
Exemple #3
0
        public static List<LineSegment> GenerateSkeleton(SLAV setListOfActiveVertices)
        {
            List<LineSegment> result = new List<LineSegment>();
            int lavIndex = 0;

            if (queue.IsEmpty())
                SSLOperations.GeneratePriorityQueue(setListOfActiveVertices.Get(lavIndex));

            while (!queue.IsEmpty())
            {
                while (!queue.IsEmpty())
                {
                    Intersection intersection = GetMinIntersection();

                    if (intersection.Type == Vertex.VertexType.Undefined)
                    {
                        throw new Exception("Undefined vertex type.");
                    }

                    if (!intersection.GetVA().Processed && !intersection.GetVB().Processed)
                    {
                        double intersectionX = Math.Round(intersection.GetX(), 2);
                        double intersectionY = Math.Round(intersection.GetY(), 2);

                        Vertex intersectionVertex = new Vertex(intersectionX, intersectionY);

                        if (intersection.Type == Vertex.VertexType.Edge || intersection.Type == Vertex.VertexType.Split)
                        {
                            result.Add(new LineSegment(intersection.GetVB(), intersectionVertex));
                            result.Add(new LineSegment(intersection.GetVA(), intersectionVertex));

                            setListOfActiveVertices.Get(lavIndex).Insert(intersectionVertex, intersection.GetVB(), intersection.GetVA());

                            intersectionVertex.NextLineSegment = intersection.GetLSVA();
                            intersectionVertex.PrevLineSegment = intersection.GetLSVB();

                            SetVertexType(intersectionVertex);
                            intersectionVertex.AngleBisector = MathLibrary.GetAngleBisectorVertex(intersectionVertex.PrevLineSegment, intersectionVertex.NextLineSegment);

                            if (intersectionVertex.AngleBisector == null) //THE LINES ARE PARALLEL
                            {
                                intersectionVertex.AngleBisector = MathLibrary.Rotate(intersectionVertex, MathLibrary.GetAngleBisectorVertex(new LineSegment(intersectionVertex, intersection.GetVB()), new LineSegment(intersectionVertex, intersection.GetVA())), 180);
                            }
                        }

                        intersection.GetVA().SetProcessed();
                        intersection.GetVB().SetProcessed();
                    }
                }

                Vertex startVertex = setListOfActiveVertices.Get(lavIndex).GetStart();
                if (startVertex.GetNextVertex().GetNextVertex().Equals(startVertex))
                {
                    result.Add(new LineSegment(startVertex, startVertex.GetNextVertex()));
                }
                else
                {
                    SSLOperations.GeneratePriorityQueue(setListOfActiveVertices.Get(lavIndex));
                }
            }

            return result;
        }
Exemple #4
0
        public void TestQuad()
        {
            SLAV slav = new SLAV();

            //NEED TO MAINTAIN THIS LIST FOR TESTING PURPOSES
            LAV localLav = new LAV();

            Vertex v1 = new Vertex(0, 6);
            Vertex v2 = new Vertex(0, 0);
            Vertex v3 = new Vertex(2, 0);
            Vertex v4 = new Vertex(4, 2);
            Vertex v5 = new Vertex(6, 2);
            Vertex v6 = new Vertex(9, 0);
            Vertex v7 = new Vertex(5, 6);
            Vertex v8 = new Vertex(3.5, 4);
            Vertex v9 = new Vertex(3, 6);

            localLav.Add(v1);
            localLav.Add(v2);
            localLav.Add(v3);
            localLav.Add(v4);
            localLav.Add(v5);
            localLav.Add(v6);
            localLav.Add(v7);
            localLav.Add(v8);
            localLav.Add(v9);

            slav.Insert(v1, 0);
            slav.Insert(v2, 0);
            slav.Insert(v3, 0);
            slav.Insert(v4, 0);
            slav.Insert(v5, 0);
            slav.Insert(v6, 0);
            slav.Insert(v7, 0);
            slav.Insert(v8, 0);
            slav.Insert(v9, 0);

            SSLOperations.SetVertexType(localLav);
            SSLOperations.ComputeAngleBisectors(localLav);

            SSLOperations.SetVertexType(slav.Get(0));
            SSLOperations.ComputeAngleBisectors(slav.Get(0));

            LAV lav = slav.Get(0);
            Assert.AreEqual(v1, lav.Get(1));
            Assert.AreEqual(v2, lav.Get(2));
            Assert.AreEqual(v3, lav.Get(3));
            Assert.AreEqual(v4, lav.Get(4));
            Assert.AreEqual(v5, lav.Get(5));
            Assert.AreEqual(v6, lav.Get(6));
            Assert.AreEqual(v7, lav.Get(7));
            Assert.AreEqual(v8, lav.Get(8));
            Assert.AreEqual(v9, lav.Get(9));

            slav.BreakAndCreateNew(v8, 0);

            lav = slav.Get(0);

            Assert.AreEqual(v1, lav.Get(1));
            Assert.AreEqual(v2, lav.Get(2));
            Assert.AreEqual(v3, lav.Get(3));
            Assert.AreEqual(v4, lav.Get(4));
            Assert.AreEqual(3.30, Math.Round(lav.Get(5).GetX(), 2));
            Assert.AreEqual(3.02, Math.Round(lav.Get(5).GetY(), 2));
            Assert.AreEqual(v9, lav.Get(6));
            Assert.AreEqual(v1, lav.Get(6).GetNextVertex());

            lav = slav.Get(1);

            Assert.AreEqual(3.30, Math.Round(lav.Get(1).GetX(), 2));
            Assert.AreEqual(3.02, Math.Round(lav.Get(1).GetY(), 2));
            Assert.AreEqual(v5, lav.Get(2));
            Assert.AreEqual(v6, lav.Get(3));
            Assert.AreEqual(v7, lav.Get(4));
            Assert.AreEqual(3.30, Math.Round(lav.Get(4).GetNextVertex().GetX(), 2));
        }
Exemple #5
0
        public void TestSLAVInsertSingleList()
        {
            SLAV slav = new SLAV();

            Vertex v1 = new Vertex(0, 3);
            slav.Insert(v1, 0);

            LAV lav = slav.Get(0);
            Assert.AreEqual(v1, lav.GetStart());
        }
Exemple #6
0
        protected void SetUp()
        {
            setListOfActiveVertices = new SLAV();
            setListOfActiveVertices.Insert(new Vertex(2, 6), 0);
            setListOfActiveVertices.Insert(new Vertex(2, 2), 0);
            setListOfActiveVertices.Insert(new Vertex(15, 2), 0);
            setListOfActiveVertices.Insert(new Vertex(15, 6), 0);

            listOfActiveVertices = new LAV();
            listOfActiveVertices.Add(new Vertex(2, 6));
            listOfActiveVertices.Add(new Vertex(2, 2));
            listOfActiveVertices.Add(new Vertex(15, 2));
            listOfActiveVertices.Add(new Vertex(15, 6));

            SSLOperations.SetVertexType(setListOfActiveVertices.Get(0));
            SSLOperations.ComputeAngleBisectors(setListOfActiveVertices.Get(0));

            SSLOperations.SetVertexType(listOfActiveVertices);
            SSLOperations.ComputeAngleBisectors(listOfActiveVertices);
        }
Exemple #7
0
        public void TestGetResult4()
        {
            SLAV slav4 = new SLAV();
            slav4.Insert(new Vertex(0, 3), 0);
            slav4.Insert(new Vertex(2, 0), 0);
            slav4.Insert(new Vertex(4, 1), 0);
            slav4.Insert(new Vertex(6, 0), 0);
            slav4.Insert(new Vertex(8, 3), 0);

            SSLOperations.ComputeAngleBisectors(slav4.Get(0));

            List<LineSegment> result = SSLOperations.GenerateSkeleton(slav4);

            Assert.AreEqual(new LineSegment(new Vertex(6, 0), new Vertex(5.55, 1.69)), result[0]);
            Assert.AreEqual(new LineSegment(new Vertex(8, 3), new Vertex(5.55, 1.69)), result[1]);
            Assert.AreEqual(new LineSegment(new Vertex(0, 3), new Vertex(2.45, 1.69)), result[2]);
            Assert.AreEqual(new LineSegment(new Vertex(2, 0), new Vertex(2.45, 1.69)), result[3]);
            Assert.AreEqual(new LineSegment(new Vertex(5.55, 1.69), new Vertex(4, 2.06)), result[4]);
            Assert.AreEqual(new LineSegment(new Vertex(2.45, 1.69), new Vertex(4, 2.06)), result[5]);
            Assert.AreEqual(new LineSegment(new Vertex(4, 1), new Vertex(4, 2.06)), result[6]);
        }
Exemple #8
0
        public void TestGetResult3()
        {
            SLAV slav3 = new SLAV();
            slav3.Insert(new Vertex(0, 6), 0);
            slav3.Insert(new Vertex(0, 0), 0);
            slav3.Insert(new Vertex(4, 0), 0);
            slav3.Insert(new Vertex(4, 3), 0);
            slav3.Insert(new Vertex(8, 3), 0);
            slav3.Insert(new Vertex(8, 6), 0);

            SSLOperations.ComputeAngleBisectors(slav3.Get(0));

            List<LineSegment> result = SSLOperations.GenerateSkeleton(slav3);

            Assert.AreEqual(new LineSegment(new Vertex(8, 3), new Vertex(6.5, 4.5)), result[0]);
            Assert.AreEqual(new LineSegment(new Vertex(8, 6), new Vertex(6.5, 4.5)), result[1]);
            Assert.AreEqual(new LineSegment(new Vertex(0, 0), new Vertex(2, 2)), result[2]);
            Assert.AreEqual(new LineSegment(new Vertex(4, 0), new Vertex(2, 2)), result[3]);
            Assert.AreEqual(new LineSegment(new Vertex(0, 6), new Vertex(2, 4)), result[4]);
            Assert.AreEqual(new LineSegment(new Vertex(2, 2), new Vertex(2, 4)), result[5]);
            Assert.AreEqual(new LineSegment(new Vertex(4, 3), new Vertex(2.5, 4.5)), result[6]);
            Assert.AreEqual(new LineSegment(new Vertex(6.5, 4.5), new Vertex(2.5, 4.5)), result[7]);
            Assert.AreEqual(new LineSegment(new Vertex(2, 4), new Vertex(2.5, 4.5)), result[8]);
        }
Exemple #9
0
        public void TestGetResult2()
        {
            SLAV slav2 = new SLAV();
            slav2.Insert(new Vertex(3, 10), 0);
            slav2.Insert(new Vertex(0, 7), 0);
            slav2.Insert(new Vertex(0, 3), 0);
            slav2.Insert(new Vertex(3, 0), 0);
            slav2.Insert(new Vertex(7, 0), 0);
            slav2.Insert(new Vertex(10, 3), 0);
            slav2.Insert(new Vertex(10, 7), 0);
            slav2.Insert(new Vertex(7, 10), 0);

            SSLOperations.ComputeAngleBisectors(slav2.Get(0));

            List<LineSegment> result = SSLOperations.GenerateSkeleton(slav2);

            foreach (LineSegment ls in result)
                Console.WriteLine(ls.ToString());
        }