Пример #1
0
        static void updateAndInterpolateCarIDTxts(string originalDataFolder, string writeFolder, string dateStr, string fullCarIDsTxtPath)   // 这个不用了
        {
            CreateDictionary(fullCarIDsTxtPath, dateStr);
            if (!Directory.Exists(writeFolder))                             // G:\interpolation_data\01AllCar\
            {
                Directory.CreateDirectory(writeFolder);
            }
            string[] names = Directory.GetFiles(originalDataFolder);
            for (int pathIndex = 0; pathIndex < names.Length; pathIndex++)  // 读取第二遍,写第一遍
            {
                string path = names[pathIndex];
                //Console.WriteLine("将原数据塞入carIDwithInfo,读取进度:{0}/{1} ", pathIndex, names.Length);
                StreamReader sr = new StreamReader(path, Encoding.Default); string line;
                //读取第二遍原始数据
                while ((line = sr.ReadLine()) != null)
                {
                    CarState carState;
                    string[] oneRecord = line.Split('|');
                    string   objectID  = oneRecord[0];
                    string   GPStime   = oneRecord[9];
                    double   longitude = Convert.ToDouble(oneRecord[10]);
                    double   latitude  = Convert.ToDouble(oneRecord[11]);
                    int      state     = Convert.ToInt32(oneRecord[3]); //是否空车
                    if (state == 1)
                    {
                        carState = CarState.Vacant;
                    }
                    else
                    {
                        carState = CarState.InUse;
                    }
                    if (GPStime.Length < "2016-08-01 11:00:00".Length)
                    {
                        continue;
                    }
                    if (DateTime.Parse(GPStime) >= DateTime.Parse("2016-08-" + dateStr + " 00:00:00") && DateTime.Parse(GPStime) < DateTime.Parse("2016-08-" + dateStr + " 23:59:59"))
                    {
                        OnePoint    oneCarInfo  = new OnePoint(new GISVertex(longitude, latitude), carState, objectID, GPStime);
                        TrackPoints oneCarTrack = carIDwithInfo[objectID]; //key:carID -> ListofCarID
                        oneCarTrack.addTrackPoint(oneCarInfo);             //调用ListOfCarID的方法,将文件中一行的carInfo加到Dictionaty的ListOfCarID中
                    }
                }
            }
            //int itemCount = 0;
            foreach (var item in carIDwithInfo)
            {
//                itemCount++;

                //遍历每一ID对应的item
                if (item.Value.ShowCarTrackNum() != 0)
                {
                    List <OnePoint> thisCarTrack = item.Value.GetThisCarTrack();
                    string          objectID = null;
                    List <double>   newLatList = new List <double>(); List <double> newLngList = new List <double>();
                    List <string>   newGPStimeList = new List <string>(); List <string> newStateList = new List <string>();
                    double          last_longitude = thisCarTrack[0].CarLocation.x;
                    double          last_latitude  = thisCarTrack[0].CarLocation.y;
                    DateTime        last_GPStime   = DateTime.Parse(thisCarTrack[0].GPSTime);
                    string          last_state     = thisCarTrack[0].State.ToString(); //OneJourney oneJourney = null;

                    for (int i = 1; i < thisCarTrack.Count; i++)
                    {
                        objectID = thisCarTrack[i].CarID;
                        double   current_longitude = thisCarTrack[i].CarLocation.x;
                        double   current_latitude  = thisCarTrack[i].CarLocation.y;
                        DateTime current_GPStime   = DateTime.Parse(thisCarTrack[i].GPSTime);
                        string   current_state     = thisCarTrack[i].State.ToString();

                        if (current_GPStime.Minute - last_GPStime.Minute > 1)
                        {
                            int step_num = current_GPStime.Minute - last_GPStime.Minute;
                            for (int j = 0; j < step_num; j++)
                            {
                                //插值,3s-6s 插入4s 5s 6s
                                DateTime interpolate_time = last_GPStime.AddMinutes(j + 1);
                                string   time             = interpolate_time.ToShortDateString() + " " + interpolate_time.Hour.ToString() + ":"
                                                            + interpolate_time.Minute + ":" + "00";                                                                                                                                                   //time格式化为:2016/8/3 11:2:18
                                double latitude  = current_latitude + (DateTime.Parse(time).TimeOfDay.TotalSeconds - current_GPStime.TimeOfDay.TotalSeconds) * (current_latitude - last_latitude) / (current_GPStime - last_GPStime).TotalSeconds;    //线性插值公式进行插值
                                double longitude = current_longitude + (DateTime.Parse(time).TimeOfDay.TotalSeconds - current_GPStime.TimeOfDay.TotalSeconds) * (current_longitude - last_longitude) / (current_GPStime - last_GPStime).TotalSeconds; //线性插值公式进行插值

                                newLatList.Add(latitude); newLngList.Add(longitude); newStateList.Add(current_state); newGPStimeList.Add(DateTime.Parse(time).ToString());                                                                            //time格式化为:2016/8/3 11:02:18
                            }
                        }
                        if (current_GPStime.Minute - last_GPStime.Minute == 1 || current_GPStime.Minute - last_GPStime.Minute == -59)
                        {
                            string time = current_GPStime.ToShortDateString() + " " + current_GPStime.Hour.ToString() + ":"
                                          + current_GPStime.Minute + ":" + "00";                                                                                                                                                                  //time格式化为:2016/8/3 11:2:18
                            double latitude  = current_latitude + (DateTime.Parse(time).TimeOfDay.TotalSeconds - current_GPStime.TimeOfDay.TotalSeconds) * (current_latitude - last_latitude) / (current_GPStime - last_GPStime).TotalSeconds;    //线性插值公式进行插值
                            double longitude = current_longitude + (DateTime.Parse(time).TimeOfDay.TotalSeconds - current_GPStime.TimeOfDay.TotalSeconds) * (current_longitude - last_longitude) / (current_GPStime - last_GPStime).TotalSeconds; //线性插值公式进行插值

                            newLatList.Add(latitude); newLngList.Add(longitude); newStateList.Add(current_state);
                            newGPStimeList.Add(DateTime.Parse(time).ToString()); //time格式化为:2016/8/3 11:02:18
                        }
                        last_GPStime = current_GPStime; last_latitude = current_latitude; last_longitude = current_longitude; last_state = current_state;
                        //写第一遍原始数据
                        //sw.WriteLine(thisCarTrack[i].CarID + "," + thisCarTrack[i].CarLocation.x + "," + thisCarTrack[i].CarLocation.y + "," + thisCarTrack[i].GPSTime + "," + thisCarTrack[i].State);
                    }

                    //Console.WriteLine("将原数据塞入各自id的txt,写入进度:{0}/{1} ",itemCount,carIDwithInfo.Count);

                    string       WritePath = writeFolder + item.Key + "_Intepolation.txt";
                    FileStream   fs        = new FileStream(WritePath, FileMode.Create);
                    StreamWriter sw        = new StreamWriter(fs);
                    for (int i = 0; i < newGPStimeList.Count; i++)
                    {
                        //写第二遍插值后的原数据
                        sw.WriteLine(objectID + "," + newLngList[i] + "," + newLatList[i] + "," + newGPStimeList[i] + "," + newStateList[i]);
                    }
                    //清空缓冲区
                    sw.Flush();
                    //关闭流
                    sw.Close();
                    fs.Close();
                }
            }
        }
Пример #2
0
 public void addTrackPoint(OnePoint oneCar)
 {
     carTrack.Add(oneCar);
 }
Пример #3
0
        static void updatedRecordsIntoCarIDTxts(string originalDataFolder, string writeFolder, string dateStr, string fullCarIDsTxtPath)
        {
            CreateDictionary(fullCarIDsTxtPath, dateStr);
            if (!Directory.Exists(writeFolder))                             // G:\interpolation_data\01AllCar\
            {
                Directory.CreateDirectory(writeFolder);
            }
            string[] names = Directory.GetFiles(originalDataFolder);
            for (int pathIndex = 0; pathIndex < names.Length; pathIndex++)  // 读取第二遍,写第一遍
            {
                string path = names[pathIndex];
                //Console.WriteLine("将原数据塞入各自id的txt,读取进度: " + path);
                StreamReader sr = new StreamReader(path, Encoding.Default); string line;
                //读取第二遍原始数据
                while ((line = sr.ReadLine()) != null)
                {
                    CarState carState;
                    string[] oneRecord = line.Split('|');
                    string   objectID  = oneRecord[0];
                    string   GPStime   = oneRecord[9];
                    double   longitude = Convert.ToDouble(oneRecord[10]);
                    double   latitude  = Convert.ToDouble(oneRecord[11]);
                    int      state     = Convert.ToInt32(oneRecord[3]); //是否空车
                    if (state == 1)
                    {
                        carState = CarState.Vacant;
                    }
                    else
                    {
                        carState = CarState.InUse;
                    }
                    if (GPStime.Length < "2016-08-01 11:00:00".Length)
                    {
                        continue;
                    }
                    if (DateTime.Parse(GPStime) >= DateTime.Parse("2016-08-" + dateStr + " 00:00:00") && DateTime.Parse(GPStime) < DateTime.Parse("2016-08-" + dateStr + " 23:59:59"))
                    {
                        OnePoint    oneCarInfo  = new OnePoint(new GISVertex(longitude, latitude), carState, objectID, GPStime);
                        TrackPoints oneCarTrack = carIDwithInfo[objectID]; //key:carID -> ListofCarID
                        oneCarTrack.addTrackPoint(oneCarInfo);             //调用ListOfCarID的方法,将文件中一行的carInfo加到Dictionaty的ListOfCarID中
                    }
                }
            }

            //将Dictionary中的数据导出
            foreach (var item in carIDwithInfo)
            {
                if (item.Value.ShowCarTrackNum() != 0)
                {
                    string          writePath    = writeFolder + item.Key + ".txt";
                    FileStream      fs           = new FileStream(writePath, FileMode.Append);
                    StreamWriter    sw           = new StreamWriter(fs);
                    List <OnePoint> thisCarTrack = item.Value.GetThisCarTrack();
                    for (int i = 0; i < thisCarTrack.Count; i++)
                    {
                        //写第一遍原始数据
                        sw.WriteLine(thisCarTrack[i].CarID + "," + thisCarTrack[i].CarLocation.x + "," + thisCarTrack[i].CarLocation.y + "," + thisCarTrack[i].GPSTime + "," + thisCarTrack[i].State);
                    }
                    sw.Flush(); sw.Close(); fs.Close();
                }
                //Console.WriteLine("将原数据塞入各自id的txt,写入进度: " + item.Key);
            }
            //Console.WriteLine("time duration: {0}", TimeDiff(start, end));
        }