public RasterOp(RasterReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("栅格文件读取为null");
}
_raster = reader.Convert2Matrix();
}
private void Confirm()
{
if (string.IsNullOrEmpty(_rasterFilePath)) return;
string folderPath = DialogHelper.OpenFolderDialog(true);
if (!string.IsNullOrEmpty(folderPath))
{
string rasterWorkSpace = Path.GetDirectoryName(_rasterFilePath);
_rasterReader = new RasterReader(rasterWorkSpace, RasterFileName + ".tif");
if (WriteCityRaster(folderPath))
{
Messenger.Default.Send(new GenericMessage<string>("空间可达性计算成功"), "Message");
}
else
{
Messenger.Default.Send(new GenericMessage<string>("空间可达性计算失败"), "Message");
}
}
}
private void Run(RasterReader reader, CalculatorCity city, string folderPath)
{
RasterOp rasterOp=new RasterOp(reader);
Postion pos = reader.Coordinate(city.XCoord,city.YCoord);
var result = rasterOp.Calculator(pos);
RasterWriter writer=new RasterWriter(folderPath,city.Name+"_高铁未通车",reader.RasterInfo);
result.WriteRaster(writer, "TIFF");
}
//private void Wirte(RasterOp op, string foldePath, string name)
//{
// RasterWriter writer = new RasterWriter(foldePath, name,Info);
// op.WriteRaster(writer,"TIFF");
//}
/// <summary>
///
/// </summary>
/// <param name="basic"></param>
/// <param name="rasterFolderPath"></param>
/// <param name="fileName"></param>
/// <param name="cityName"></param>
private void Overlay(RasterOp basic, string rasterFolderPath,string fileName,string cityName)
{
RasterReader reader = new RasterReader(rasterFolderPath, fileName + ".tif");
RasterOp op=new RasterOp(reader);
Overlay(basic, op, CityValues[cityName]);
}
private void Run(object p)
{
Hashtable para= p as Hashtable;
var wait = para["wait"] as ProgressWait;
string folderPath = para["folderPath"].ToString();
string rasterFolderPath = Path.GetDirectoryName(_rasterFilePath);
try
{
RasterReader reader = new RasterReader(rasterFolderPath, RasterFileName + ".tif");
int totalCount = Cities.Count(item => item.IsSelected);
int count = 0;
foreach (var calculatorCity in Cities)
{
if (calculatorCity.IsSelected)
{
wait.SetProgress((double) count++/totalCount);
Run(reader, calculatorCity, folderPath);
GC.Collect();
}
}
para["ret"] = true;
}
catch (ArgumentOutOfRangeException e)
{
Messenger.Default.Send(new GenericMessage<string>("存在城市不在计算范围内"), "Exception");
para["ret"] = false;
}
catch (Exception e)
{
_log.Error(e.Message+e.StackTrace);
para["ret"] = false;
}
finally
{
wait.CloseWait();
}
}
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();
}
}
public RasterOp(RasterReader reader)
{
if (reader == null) throw new ArgumentNullException("栅格文件读取为null");
_raster = reader.Convert2Matrix();
}
private void Init()
{
var firstCity = Cities.First(item => item.IsSelected);
RasterReader reader = new RasterReader(HighTrainNoFolderPath, firstCity.Name + "_高铁未通车" + ".tif");
Info = reader.RasterInfo;
RasterOp = new RasterOp(reader);
RasterOp.Reset();
}
private bool WriteTimeCostRaster(string folderPath)
{
try
{
//读取两个文件
var landReader = new RasterReader(folderPath, LandUse + ".tif");
var roadReader = new RasterReader(folderPath, TrafficRoad + ".tif");
RasterOp landOp = new RasterOp(landReader);
RasterOp roadOp = new RasterOp(roadReader);
//取最小值
landOp.Overlay(roadOp,RasterAlgorithm.MinPixel);
////写入文件
RasterWriter writer = new RasterWriter(folderPath, TimeCostName, landReader.RasterInfo);
landOp.WriteRaster(writer,"TIFF");
return true;
}
catch (Exception e)
{
_log.Error(e.Message + e.StackTrace);
}
return false;
}