private void Overlay(RasterOp basic, RasterOp city, string cityName)
{
for (int i = 0; i < basic.Width; i++)
{
for (int j = 0; j < basic.Height; j++)
{
if (basic.Read(i, j).HasValue)
{
float timeCost = (float)city.Read(i, j);
if (Math.Abs(timeCost) < 10e-5)
{
if (_popDic.ContainsKey(cityName))
{
float tt = (float)(3 * Math.Log10(_popDic[cityName] * 10));
basic.Write(i, j, (float)basic.Read(i, j) + CityValues[cityName] / tt);
}
}
else
{
basic.Write(i, j, (float)basic.Read(i, j) + CityValues[cityName] / timeCost);
}
}
}
}
}
/// <summary>
/// 计算一个城市对其中的影响
/// </summary>
/// <param name="basic"></param>
/// <param name="city"></param>
/// <param name="value"></param>
private void Overlay(RasterOp basic, RasterOp city, float value)
{
for (int i = 0; i < basic.Width; i++)
{
for (int j = 0; j < basic.Height; j++)
{
if (basic.Read(i, j).HasValue)
{
var timeCost = (float)city.Read(i, j);
basic.Write(i, j, (float)basic.Read(i, j) + timeCost * value);
}
}
}
}
private void Run(object p)
{
Hashtable para = p as Hashtable;
ContinuousWait wait = para["wait"] as ContinuousWait;
var folderPath = para["folderPath"].ToString();
try
{
string preWorkSpace = Path.GetDirectoryName(_preRasterFilePath);
string preFileName = Path.GetFileNameWithoutExtension(_preRasterFilePath);
string aftWorkSpace = Path.GetDirectoryName(_aftRasterFilePath);
string aftFileName = Path.GetFileNameWithoutExtension(_aftRasterFilePath);
RasterReader preReader = new RasterReader(preWorkSpace, preFileName + ".tif");
RasterReader aftReader = new RasterReader(aftWorkSpace, aftFileName + ".tif");
RasterOp preOp = new RasterOp(preReader);
RasterOp aftOp = new RasterOp(aftReader);
RasterOp res = preOp.Clone();
res.Reset();
for (int i = 0; i < preOp.Width; i++)
{
for (int j = 0; j < preOp.Height; j++)
{
if (preOp.Read(i, j).HasValue)
{
float orgin = (float)preOp.Read(i, j);
float now = (float)aftOp.Read(i, j);
if (Math.Abs(orgin) > 10e-5)
{
float rate = (now - orgin) / orgin;
res.Write(i, j, rate);
}
}
}
}
RasterWriter writer = new RasterWriter(folderPath, RasterName, preReader.RasterInfo);
res.WriteRaster(writer, "TIFF");
para["ret"] = true;
}
catch (Exception e)
{
_log.Error(e.GetType() + e.Message + e.StackTrace);
para["ret"] = false;
}
finally
{
wait.CloseWait();
}
}
private void Overlay(RasterOp basic, RasterOp city, string cityName)
{
for (int i = 0; i < basic.Width; i++)
{
for (int j = 0; j < basic.Height; j++)
{
if (basic.Read(i, j).HasValue)
{
var timecost = (float)city.Read(i, j);
float shorestTimeCost = ShortestTimeCost(i, j, _cityPos[cityName]);
if (Math.Abs(shorestTimeCost) < 10e-5)
{
continue;
}
basic.Write(i, j, (float)basic.Read(i, j) + timecost / shorestTimeCost * CityValues[cityName]);
}
}
}
}
private void Run(object p)
{
Hashtable para = p as Hashtable;
var wait = para["wait"] as ProgressWait;
string folderPath = para["folderPath"].ToString();
int totalCount = Cities.Count(item => item.IsSelected);
int count = 0;
try
{
wait.SetWaitCaption("计算高铁城市空间可达性");
foreach (string city in _dijkstra.GetCityEnumerator())
{
wait.SetProgress((double)count++ / _dijkstra.Count);
_highTrainStation.Add(city, CalculationCity(city));
}
Dictionary <string, RasterOp> backup = new Dictionary <string, RasterOp>(_highTrainStation.Count);
//backup
foreach (var keyValue in _highTrainStation)
{
backup.Add(keyValue.Key, new RasterOp(keyValue.Value));
}
//***********************************
wait.SetProgress(0);
wait.SetWaitCaption("计算高铁城市叠加效应");
count = 0;
foreach (string city in _dijkstra.GetCityEnumerator())
{
wait.SetProgress((double)count++ / _dijkstra.Count);
float[] times = _dijkstra.Dijkstra(city);
foreach (var otherCity in _dijkstra.GetCityEnumerator())
{
if (city != otherCity)
{
int cityIndex = _dijkstra.GetCityIndex(otherCity);
backup[otherCity].Overlay(item => item + times[cityIndex]);
_highTrainStation[city].Overlay(backup[otherCity], Math.Min);
backup[otherCity].Overlay(item => item - times[cityIndex]);
}
}
}
//****************************************
backup.Clear();
//foreach (var keyValue in _highTrainStation)
//{
// backup.Add(keyValue.Key, new RasterOp(keyValue.Value));
//}
wait.SetWaitCaption("计算所有城市空间可达性");
wait.SetProgress(0);
count = 0;
foreach (var calculatorCity in Cities)
{
if (calculatorCity.IsSelected)
{
wait.SetProgress((double)count++ / totalCount);
RasterOp res;
if (_highTrainStation.ContainsKey(calculatorCity.Name))
{
res = _highTrainStation[calculatorCity.Name];
}
else
{
res = CalculationCity(calculatorCity.Name);
RasterOp back = res.Clone();
foreach (var station in _highTrainStation)
{
//RasterOp op = back.Clone();
City city = _allCities.First(item => item.Name == station.Key);
Postion pos = _rasterReader.Coordinate(city.XCoord, city.YCoord);
float timecost = (float)back.Read(pos.XIndex, pos.YIndex);
_highTrainStation[station.Key].Overlay(item => item + timecost);
res.Overlay(_highTrainStation[station.Key], Math.Min);
_highTrainStation[station.Key].Overlay(item => item - timecost);
}
}
RasterWriter writer
= new RasterWriter(folderPath, calculatorCity.Name + "_高铁通车后", _rasterReader.RasterInfo);
res.WriteRaster(writer, "TIFF");
}
}
para["ret"] = true;
}
catch (Exception e)
{
_log.Error(e.Message + e.StackTrace);
para["ret"] = false;
}
finally
{
wait.CloseWait();
}
}