public Form2(OptimalRoute.GeoCoords nowPos, OptimalRoute.GeoCoords needPos, DateTime time)
{
InitializeComponent();
this.nowPos = nowPos;
this.needPos = needPos;
this.time = time;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
public static List <Station> GetStationsAround(OptimalRoute.GeoCoords coords, int radius)
{
//Math.Atan2(Math.Sqrt(Math.Pow(Math.Cos(b.xCoord * Math.PI / 180) * Math.Sin((b.yCoord - a.yCoord) * Math.PI / 180), 2) + Math.Pow(Math.Cos(a.xCoord * Math.PI / 180) * Math.Sin(b.xCoord * Math.PI / 180) - Math.Sin(a.xCoord * Math.PI / 180) * Math.Cos(b.xCoord * Math.PI / 180) * Math.Cos((b.yCoord - a.yCoord) * Math.PI / 180), 2)), Math.Sin(a.xCoord * Math.PI / 180) * Math.Sin(b.xCoord * Math.PI / 180) + Math.Cos(a.xCoord * Math.PI / 180) * Math.Cos(b.xCoord * Math.PI / 180) * Math.Cos((b.yCoord - a.yCoord) * Math.PI / 180)) * 6372795
double pi180 = Math.PI / 180;
double xp = coords.xCoord * pi180;
string sss = "(ATAN2(SQRT(POW(" + (Math.Cos(xp)).ToString().Replace(',', '.') + " * SIN((" + (coords.yCoord).ToString().Replace(',', '.') + " - 0.0001 * y_coord) * " + pi180.ToString().Replace(',', '.') + "), 2) + POW(COS(x_coord * " + (0.0001 * pi180).ToString().Replace(',', '.') + ") * " + (Math.Sin(xp)).ToString().Replace(',', '.') + " - SIN(x_coord * " + (0.0001 * pi180).ToString().Replace(',', '.') + ") * " + (Math.Cos(xp)).ToString().Replace(',', '.') + " * COS((" + (coords.yCoord).ToString().Replace(',', '.') + " - 0.0001 * y_coord) * " + pi180.ToString().Replace(',', '.') + "), 2)), COS(x_coord * " + (0.0001 * pi180).ToString().Replace(',', '.') + ") * " + (Math.Sin(xp)).ToString().Replace(',', '.') + " + COS(x_coord * " + (0.0001 * pi180).ToString().Replace(',', '.') + ") * " + (Math.Cos(xp)).ToString().Replace(',', '.') + " * COS((" + (coords.yCoord).ToString().Replace(',', '.') + " - 0.0001 * y_coord) * " + pi180.ToString().Replace(',', '.') + ")) * 6372795) < " + (radius * 1.2).ToString();
//sss = "(ATAN2(SQRT(POW(COS("+coords.xCoord.ToString().Replace(',', '.') + " * PI() / 180) * SIN(("+coords.yCoord.ToString().Replace(',', '.') + " - y_coord) * PI() / 180), 2) + POW(COS(x_coord * PI() / 180) * SIN("+coords.xCoord.ToString().Replace(',', '.') + " * PI() / 180) - SIN(x_coord * PI() / 180) * COS("+coords.xCoord.ToString().Replace(',', '.') + " * PI() / 180) * COS(("+coords.yCoord.ToString().Replace(',', '.') + " - y_coord) * PI() / 180), 2)), SIN(x_coord * PI() / 180) * SIN("+coords.xCoord.ToString().Replace(',', '.') + " * PI() / 180) + COS(x_coord * PI() / 180) * COS("+coords.xCoord.ToString().Replace(',', '.') + " * PI() / 180) * COS(("+coords.yCoord.ToString().Replace(',', '.') + " - y_coord) * PI() / 180)) * 6372795) < " + radius.ToString();
//MessageBox.Show(sss);
string read_books = "SELECT * FROM `stations`";// WHERE "+sss;
/*MySqlCommand sqlCom = new MySqlCommand(read_books, conn);
* sqlCom.ExecuteNonQuery();
* MySqlDataAdapter dataAdapter = new MySqlDataAdapter(sqlCom);
* DataTable dt = new DataTable();
* dataAdapter.Fill(dt);
* var myData = dt.Select();
*
* List<Station> tmp = new List<Station>();
* for (int i = 0; i < myData.Length; i++)
* {
* tmp.Add(new Station((string)myData[i].ItemArray[0], (string)myData[i].ItemArray[1], (string)myData[i].ItemArray[2], (string)myData[i].ItemArray[3], (int)myData[i].ItemArray[4], (int)myData[i].ItemArray[5], (string)myData[i].ItemArray[6]));
* }*/
List <Station> tmp = GetAllStations();
List <Station> result = new List <Station>();
foreach (Station s in tmp)
{
if (OptimalRoute.GeoCoords.Distance(new OptimalRoute.GeoCoords(s.xCoord, s.yCoord), coords) < radius)
{
result.Add(s);
}
}
return(result);
return(tmp);
}