public static async Task <List <List <double> > > GetDurationMatrix(List <Coordinate> origins, List <Coordinate> destinations)
{
MapDistanceMatrixResponse mapDistanceMatrixResponse = await GetDistanceMatrixResponse(origins, destinations);
int rowcount = mapDistanceMatrixResponse.rows.Count;
List <List <double> > durationmatrix = new List <List <double> >();
for (int i = 0; i < rowcount; i++)
{
Row row = mapDistanceMatrixResponse.rows[i];
durationmatrix.Add(new List <double>());
foreach (Element element in row.elements)
{
durationmatrix[i].Add(element.duration.value);
}
}
return(durationmatrix);
}
public static List <List <double> > Get_Duration_in_traffic_Matrix(MapDistanceMatrixResponse mapDistanceMatrixResponse)
{
try
{
int rowcount = mapDistanceMatrixResponse.rows.Count;
List <List <double> > duration_in_traffic_matrix = new List <List <double> >();
for (int i = 0; i < rowcount; i++)
{
Row row = mapDistanceMatrixResponse.rows[i];
duration_in_traffic_matrix.Add(new List <double>());
foreach (Element element in row.elements)
{
duration_in_traffic_matrix[i].Add(element.duration_in_traffic.value);
}
}
return(duration_in_traffic_matrix);
}
catch (Exception e)
{
return(null);
}
}
public static async Task <MapDistanceMatrixResponse> GetDistanceMatrixResponse(List <Coordinate> origins, List <Coordinate> destinations)
{
string str_origin = "";
string str_destination = "";
int OrgCount = origins.Count;
int DesCount = destinations.Count;
string[] OriginsSets = new string[OrgCount / 10 + (OrgCount % 10 > 0 ? 1 : 0)];
string[] DestinationsSets = new string[DesCount / 10 + (DesCount % 10 > 0 ? 1 : 0)];
for (int i = 0; i < OrgCount; i++)
{
if (i % 10 == 0)
{
str_origin = "origins=";
}
if (i == OrgCount - 1 || i % 10 == 9)
{
str_origin += origins[i].Latitude + "," + origins[i].Longitude;
}
else
{
str_origin += origins[i].Latitude + "," + origins[i].Longitude + "|";
}
if ((i + 1) % 10 == 0 || i == OrgCount - 1)
{
OriginsSets[i / 10] = str_origin;
}
}
for (int i = 0; i < DesCount; i++)
{
if (i % 10 == 0)
{
str_destination = "destinations=";
}
if (i == DesCount - 1 || i % 10 == 9)
{
str_destination += destinations[i].Latitude + "," + destinations[i].Longitude;
}
else
{
str_destination += destinations[i].Latitude + "," + destinations[i].Longitude + "|";
}
if ((i + 1) % 10 == 0 || i == DesCount - 1)
{
DestinationsSets[i / 10] = str_destination;
}
}
string mode = "mode=driving";
//string parameter = str_origin + "&" + str_destination + "&" + mode;
string output = "json";
string key = "key=" + Mapkey;
MapDistanceMatrixResponse mapDistanceMatrixResponse = new MapDistanceMatrixResponse
{
destination_addresses = new List <string>(),
origin_addresses = new List <string>(),
rows = new List <Row>()
};
bool have_destination_addresses = false;
for (int i = 0; i < OriginsSets.Length; i++)
{
string OriginsSet = OriginsSets[i];
MapDistanceMatrixResponse mapDistanceMatrixRes = new MapDistanceMatrixResponse
{
destination_addresses = new List <string>(),
origin_addresses = new List <string>(),
rows = new List <Row>()
};
bool have_origin_addresses = false;
for (int j = 0; j < DestinationsSets.Length; j++)
{
string DestinationsSet = DestinationsSets[j];
string parameter = OriginsSet + "&" + DestinationsSet + "&" + mode;
string url = "https://maps.googleapis.com/maps/api/distancematrix/" + output + "?" + parameter + "&" + key;
//System.Console.WriteLine("Distance Matrix Request: " + url);
string json = await GetJsonAsync(url);
MapDistanceMatrixResponse mapDistanceMatrixRes1 = JsonConvert.DeserializeObject <MapDistanceMatrixResponse>(json);
if (!have_origin_addresses)
{
mapDistanceMatrixResponse.origin_addresses.AddRange(mapDistanceMatrixRes1.origin_addresses);
have_origin_addresses = true;
}
if (!have_destination_addresses)
{
mapDistanceMatrixResponse.destination_addresses.AddRange(mapDistanceMatrixRes1.destination_addresses);
}
if (j == 0)
{
mapDistanceMatrixRes.rows.AddRange(mapDistanceMatrixRes1.rows);
continue;
}
for (int k = 0; k < mapDistanceMatrixRes1.rows.Count; k++)
{
mapDistanceMatrixRes.rows[k].elements.AddRange(mapDistanceMatrixRes1.rows[k].elements);
}
}
have_destination_addresses = true;
mapDistanceMatrixResponse.rows.AddRange(mapDistanceMatrixRes.rows);
}
return(mapDistanceMatrixResponse);
}
