private void Load_ODTIME_BTN_Click(object sender, EventArgs e)
{
MessageBox.Show("选择交通时间文件,文件需按id排序！");
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "csv文件|*.csv|所有文件|*.*";
openFileDialog.RestoreDirectory = true;
openFileDialog.FilterIndex = 1;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
FileStream fs = new FileStream(openFileDialog.FileName, FileMode.Open);
StreamReader sr = new StreamReader(fs, Encoding.UTF8);
OD_TIME_TEXT.Text = Path.GetFileNameWithoutExtension(openFileDialog.FileName);
string line;
Population_netWork temp = new Population_netWork();
int id = 0;
int count = 0;
while ((line = sr.ReadLine()) != null)
{
count++;
temp.grid_id = id;
string[] _array;
_array = line.Split(',');
int temp_id = int.Parse(_array[0]);
int temp_duration = 0;
if (_array[1] != "None")
{
temp_duration = int.Parse(_array[1]);
}
else
{
temp_duration = int.MaxValue;
}
temp.durationList_toHospital.Add(temp_duration);
if (count % Facility_num == 0)
{
temp.grid_id = Population_list[id].ID;
temp.grid_population = Population_list[id++].Population;
int min = int.MaxValue;
for (int j = 0; j < temp.durationList_toHospital.Count; j++)
{
if (temp.durationList_toHospital[j] <= min)
{
min = temp.durationList_toHospital[j];
}
}
temp.closet_travelTime = min;
grid_List.Add(temp);
temp = new Population_netWork();
}
}
}
}
private void Calculate_closetfacility()
{
//Facility_num = int.Parse(Facility_number.Text);
MessageBox.Show("选择交通时间文件,文件需按id排序！");
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "csv文件|*.csv|所有文件|*.*";
openFileDialog.RestoreDirectory = true;
openFileDialog.FilterIndex = 1;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
FileStream fs = new FileStream(openFileDialog.FileName, FileMode.Open);
StreamReader sr = new StreamReader(fs, Encoding.UTF8);
OD_TIME_TEXT.Text = Path.GetFileNameWithoutExtension(openFileDialog.FileName);
string line;
int flag = 1;
int id = 0;
Population_netWork temp = new Population_netWork();
int count = 0;
while ((line = sr.ReadLine()) != null)
{
try
{
count++;
temp.grid_id = id;
string[] _array;
_array = line.Split(',');
int temp_id = int.Parse(_array[0]);
int temp_duration = 0;
if (_array[1] != "None")
{
temp_duration = int.Parse(_array[1]);
}
else
{
temp_duration = int.MaxValue;
}
temp.durationList_toHospital.Add(temp_duration);
if (count % Facility_num == 0)
{
temp.grid_id = Population_list[id].ID;
temp.grid_population = Population_list[id++].Population;
//temp.durationList_toHospital.Sort();
int min = int.MaxValue;
for (int j = 0; j < temp.durationList_toHospital.Count; j++)
{
if (temp.durationList_toHospital[j] <= min)
{
min = temp.durationList_toHospital[j];
}
}
temp.closet_travelTime = min;
grid_List.Add(temp);
temp = new Population_netWork();
}
}
catch
{
//int temp_duration = int.MaxValue;
}
}
sr.Close();
fs.Close();
double sum_ClosetTime = 0;
for (int kk = 0; kk < grid_List.Count; kk++)
{
sum_ClosetTime += grid_List[kk].closet_travelTime;
}
sum_ClosetTime /= grid_List.Count;
if (flag_Thresold == 1)
{
grid_List.Sort(new ClosetComparer());
int Population_threshold = int.Parse(Population_threshold_Textbox.Text) * Sum_population / 100;
int popu_count = 0;
for (int i = 0; i < grid_List.Count; i++)
{
popu_count += grid_List[i].grid_population;
if (popu_count >= Population_threshold)
{
MessageBox.Show("根据最邻近方法计算时间阈值为：" + grid_List[i].closet_travelTime.ToString() + "秒,\r\n接下来进行各个格子的可达性得分计算,点击确定按钮.");
time_threshold = grid_List[i].closet_travelTime;
break;
}
}
}
else if (flag_Thresold == 2)
{
time_threshold = int.Parse(Population_threshold_Textbox.Text) * 60;
}
}
}