【简单的点云】1.1 C#制作一个读取点云的软件1

            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.Title = "选择你的点云文件";
            openFileDialog.RestoreDirectory = true;
                openFileDialog.ShowDialog();
                if (openFileDialog.FileName != null)
                {
                    string pathfile_pointcloud = openFileDialog.FileName;
                }

                    StreamReader reader = new StreamReader(pathfile_pointcloud);
                    string[] pointcloud_file = reader.ReadToEnd().Split(new string[] { "\r\n" }, StringSplitOptions.None);
                    string[] data_1 = pointcloud_file[12].Split(new string[] { "\t" }, StringSplitOptions.None);
                    if (pointcloud_file[11] == "# Start of Data:")
                    {
                        int x_pitch = int.Parse(pointcloud_file[2].Split('=')[1]);
                        Matsize.Width = x_pitch;
                        int y_pitch = int.Parse(pointcloud_file[3].Split('=')[1]);
                        Matsize.Height = y_pitch;
                        float pitch_x = float.Parse(pointcloud_file[4].Split('=')[1]) / x_pitch;
                        float pitch_y = float.Parse(pointcloud_file[5].Split('=')[1]) / y_pitch;
                     }

                        datamat = new double[x_pitch, y_pitch];
                        for (int y = 0; y < y_pitch; y++)
                        {
                            for (int x = 0; x < x_pitch; x++)
                            {
                                datamat[x, y] = double.Parse(data_1[y * x_pitch + x]);
                                if (datamat[x, y] > maxv) { maxv = datamat[x, y]; }
                            }
                        }