Ejemplo n.º 1
0
        private void DataLoaded(object sender, RunWorkerCompletedEventArgs e)
        {
            List <Point> points = ids.GetPoints();

            picture.Clear();

            picture.MakeSelection(double.Parse(this.avDistance.Text), points);
            picture.RotateObject(0, 0, 0);
            picture.DrawScaledObjectOn(canvas);
        }
Ejemplo n.º 2
0
        private static void InterpolationTest()
        {
            string       filepath  = "D:/Users/yrmal/Desktop/doublegyro";
            double       voxelSize = 0.1;
            InputDataSet ids       = new InputDataSet(filepath, voxelSize, null);

            Debug.WriteLine("voxels: " + ids.Voxels.Count() + " points/voxel " + ids.GetPoints().Count() / ids.Voxels.Count());
            Vector3   pos  = new Vector3(0.390000f, 0.880000f, 1.000000f);
            Point     orig = new Point(pos, new Vector3(-0.003917f, -0.027478f, 0.000000f));
            Stopwatch sw   = new Stopwatch();

            sw.Start();
            Point p = null;

            for (int i = 0; i < 1000; i++)
            {
                p = Interpolator <Point> .NNInterpolatePoint(pos, ids.GetPoints());
            }
            sw.Stop();
            Debug.WriteLine("Nearest Neighbour: Time spent " + sw.ElapsedMilliseconds + " ms => " + (sw.ElapsedMilliseconds / 1000f) + " ms/interpolation");
            Debug.WriteLine(p.Vel + " vs " + orig.Vel);
            Vector3 error      = (p.Vel - orig.Vel);
            float   totalError = Math.Abs(error.X) + Math.Abs(error.Y) + Math.Abs(error.Z);

            Debug.WriteLine("Error: " + error + " Total: " + (1000 * totalError));

            sw.Restart();
            p = null;
            for (int i = 0; i < 1000; i++)
            {
                p = Interpolator <Point> .IWDInterpolatePoint(pos, ids.GetPoints(), voxelSize);
            }
            sw.Stop();
            Debug.WriteLine("IWD: Time spent " + sw.ElapsedMilliseconds + " ms => " + (sw.ElapsedMilliseconds / 1000f) + " ms/interpolation");
            Debug.WriteLine(p.Vel + " vs " + orig.Vel);
            error      = (p.Vel - orig.Vel);
            totalError = Math.Abs(error.X) + Math.Abs(error.Y) + Math.Abs(error.Z);
            Debug.WriteLine("Error: " + error + " Total: " + (1000 * totalError));

            sw.Restart();
            p = null;
            for (int i = 0; i < 1000; i++)
            {
                List <Voxel <Point> > voxels = new List <Voxel <Point> >(27);
                Voxel <Point>         center = null;
                foreach (Voxel <Point> v in ids.Voxels)
                {
                    if (v.IsPointInside(pos))
                    {
                        center = v;
                        voxels.Add(center);
                        break;
                    }
                }
                foreach (Voxel <Point> v in ids.Voxels)
                {
                    if (center != v && v.IsNeighborOf(center))
                    {
                        voxels.Add(v);
                    }
                }
                p = Interpolator <Point> .NNInterpolatePoint(pos, voxels);
            }
            sw.Stop();
            Debug.WriteLine("NN /w voxel: Time spent " + sw.ElapsedMilliseconds + " ms => " + (sw.ElapsedMilliseconds / 1000f) + " ms/interpolation");
            Debug.WriteLine(p.Vel + " vs " + orig.Vel);
            error      = (p.Vel - orig.Vel);
            totalError = Math.Abs(error.X) + Math.Abs(error.Y) + Math.Abs(error.Z);
            Debug.WriteLine("Error: " + error + " Total: " + (1000 * totalError));

            sw.Restart();
            p = null;
            for (int i = 0; i < 1000; i++)
            {
                List <Voxel <Point> > voxels = new List <Voxel <Point> >(27);
                Voxel <Point>         center = null;
                foreach (Voxel <Point> v in ids.Voxels)
                {
                    if (v.IsPointInside(pos))
                    {
                        center = v;
                        voxels.Add(center);
                        break;
                    }
                }
                foreach (Voxel <Point> v in ids.Voxels)
                {
                    if (center != v && v.IsNeighborOf(center))
                    {
                        voxels.Add(v);
                    }
                }
                p = Interpolator <Point> .IWDInterpolatePoint(pos, voxels, voxelSize);
            }
            sw.Stop();
            Debug.WriteLine("IWD /w voxel: Time spent " + sw.ElapsedMilliseconds + " ms => " + (sw.ElapsedMilliseconds / 1000f) + " ms/interpolation");
            Debug.WriteLine(p.Vel + " vs " + orig.Vel);
            error      = (p.Vel - orig.Vel);
            totalError = Math.Abs(error.X) + Math.Abs(error.Y) + Math.Abs(error.Z);
            Debug.WriteLine("Error: " + error + " Total: " + (1000 * totalError));
        }
Ejemplo n.º 3
0
        private static void InterpolationComparison()
        {
            string       filepath  = "D:/Users/yrmal/Desktop/doublegyro";
            double       voxelSize = 0.25;
            InputDataSet ids       = new InputDataSet(filepath, voxelSize, null);
            double       xMax      = 2;
            double       yMax      = 1;
            double       step      = 0.01;

            Point[,] matrix = new Point[(int)(xMax / step), (int)(yMax / step)];

            for (int x = 0; x < xMax / step; x++)
            {
                for (int y = 0; y < yMax / step; y++)
                {
                    matrix[x, y] = Interpolator <Point> .NNInterpolatePoint(new Vector3((float)(x * step), (float)(y * step), 0), ids.GetPoints());
                }
            }
            int pointSize = sizeof(float) * 6;

            byte[] serialized = new byte[matrix.Length * pointSize];
            int    i          = 0;

            foreach (Point p in matrix)
            {
                if (p != null)
                {
                    Array.Copy(p.Serialize(), 0, serialized, i * pointSize, pointSize);
                }
                i++;
            }
            using (FileStream fileStream = new FileStream("./NN.dat", FileMode.Create))
            {
                fileStream.Write(serialized, 0, serialized.Length);
            }



            for (int x = 0; x < xMax / step; x++)
            {
                for (int y = 0; y < yMax / step; y++)
                {
                    matrix[x, y] = ids.GetPoint(new Vector3((float)(x * step), (float)(y * step), 0));
                }
            }
            serialized = new byte[matrix.Length * pointSize];
            i          = 0;
            foreach (Point p in matrix)
            {
                if (p != null)
                {
                    Array.Copy(p.Serialize(), 0, serialized, i * pointSize, pointSize);
                }
                i++;
            }
            using (FileStream fileStream = new FileStream("./IDW.dat", FileMode.Create))
            {
                fileStream.Write(serialized, 0, serialized.Length);
            }
        }