private static int CreateCube(string travelPath, string cubePath)
{
List <string> AllTravels = new List <string>();
StreamReader sr = new StreamReader(travelPath, Encoding.Default);
// 内存读取行程数据集，获得起始经纬度最大、最小值
string line = sr.ReadLine();
double minX = double.MaxValue, maxX = double.MinValue;
double minY = double.MaxValue, maxY = double.MinValue;
Console.WriteLine("Start Reading!");
while ((line = sr.ReadLine()) != null)
{
AllTravels.Add(line);
string[] travel = line.Split(',');
double startX = Convert.ToDouble(travel[5]), startY = Convert.ToDouble(travel[6]);
if (startX < minX)
{
minX = startX;
}
if (startX > maxX)
{
maxX = startX;
}
if (startY < minY)
{
minY = startY;
}
if (startY > maxY)
{
maxY = startY;
}
}
Console.WriteLine("Reading finished! Creating Cube now！");
// 读取行程数据集，生成Cube
int lineNum = 0; int err = 0;
Cube cube = new Cube(minX, maxX, minY, maxY);
for (int i = 0; i < AllTravels.Count; i++)
{
string[] oneRecord = AllTravels[i].Split(',');
string CarID = oneRecord[1];
DateTime StartTime = DateTime.Parse(oneRecord[2]);
DateTime EndTime = DateTime.Parse(oneRecord[3]);
double StartX = Convert.ToDouble(oneRecord[5]), StartY = Convert.ToDouble(oneRecord[6]), EndX = Convert.ToDouble(oneRecord[7]), EndY = Convert.ToDouble(oneRecord[8]);
double TravelLength = Convert.ToDouble(oneRecord[9]);
OneTravel oneTravel = new OneTravel(lineNum, CarID, StartTime, EndTime, StartX, StartY, EndX, EndY, TravelLength);
err = cube.AddTravel(oneTravel);
lineNum++;
}
//Console.WriteLine("Creating cube finished，WRITING now!");
Console.WriteLine("ERROR Num: {0}", err);
cube.WriteCubeToCSV(cubePath);
return(err);
//Console.WriteLine("WRITING FINISHED!");
}
public int AddTravel(OneTravel travel)
{
double x = travel.StartX, y = travel.StartY;
double intervalX = Math.Floor((x - MinStartX) / rangeX) * rangeX + MinStartX;
double intervalY = Math.Floor((y - MinStartY) / rangeY) * rangeY + MinStartY;
GISVertex key = new GISVertex(intervalX, intervalY);
int errorCount = 0;
// 什么情况下会出现明明存在key却说不存在
if (VertexWithLineIndex.ContainsKey(key))
{
VertexWithLineIndex[key].Add(travel.LineNum);
}
else
{
errorCount++;
}
return(errorCount);
; //double key = Math.Floor((x - MinStartX) / rangeX) * rangeX + MinStartX; //计算出x对应的区间最小值
//XwithLineIndex[key].Add(travel.LineNum);
}
public void AddTravel(OneTravel oneTravel)
{
travels.Add(oneTravel);
}