public frmHistograms(ref TVDIUCArgs ucArgs, ref string error)
{
InitializeComponent();
_ucArgs = ucArgs;
_error = error;
Load += new EventHandler(frmHistograms_Load);
}
private static bool CheckHistograms(TVDIUCArgs ucArgs, ref string error)
{
error = "";
if (string.IsNullOrEmpty(ucArgs.ECLstFile) || string.IsNullOrEmpty(ucArgs.NDVIFile) || ucArgs.TVDIParas == null || ucArgs.TVDIParas.LstFile == null || ucArgs.TVDIParas.NdviFile == null)
{
error = "直方图统计所需数据或参数设置不全.";
return(false);
}
return(true);
}
private static DryWetEdgeArgs DryWetEdgesArgsCalc(TVDIUCArgs ucArgs, NdviList[] NDVIHistograms)
{
List <Samples> minData = new List <Samples>();
List <Samples> maxData = new List <Samples>();
TVDIParaClass tvdiP = ucArgs.TVDIParas;
ArgumentItem ndviArgs = tvdiP.NdviFile;
int ndviCloudy = ndviArgs.Cloudy;
ArgumentItem lstArgs = tvdiP.LstFile;
try
{
int rangeSize = (int)Math.Ceiling((double)(ndviArgs.Max - ndviArgs.Min) / tvdiP.Length);//区间个数
if (rangeSize == 0)
{
return(null);
}
int key = 0;
float minLst = 0;
float maxLst = 0;
for (int rangeIndex = 0; rangeIndex < rangeSize; rangeIndex++)//每个步长区间，0~step;step~step*rangeIndex;step
{
key = (int)(ndviArgs.Min + tvdiP.Length * rangeIndex - (-1000));
if (key >= NDVIHistograms.Length || NDVIHistograms[key] == null)
{
continue;
}
if (NDVIHistograms[key].Ndvi == ndviCloudy || NDVIHistograms[key].Ndvi == 0)
{
continue;
}
if (!ValidValueHelper.IsVaild(key, ndviArgs))
{
continue;
}
if (NDVIHistograms[key].Lst == null || NDVIHistograms[key].Lst.Count == 0)
{
continue;
}
NDVIHistograms[key].Lst.Sort();
NdviLstPCStat(NDVIHistograms[key].Lst, out minLst, out maxLst, ucArgs.TVDIParas.LstFile, tvdiP.LstFreq);
if (minLst == 0 && maxLst == 0)
{
continue;
}
minData.Add(new Samples(NDVIHistograms[key].Ndvi, minLst));
maxData.Add(new Samples(NDVIHistograms[key].Ndvi, maxLst));
}
GC.Collect();
return(NihePara(maxData, minData, tvdiP.FLimit, tvdiP.HGYZ));
}
finally
{
}
}
private static DryWetEdgeArgs DryWetEdgesArgsCalc(TVDIUCArgs ucArgs, Dictionary <float, List <float> > NDVIHistograms)
{
List <Samples> minData = new List <Samples>();
List <Samples> maxData = new List <Samples>();
TVDIParaClass tvdiP = ucArgs.TVDIParas;
ArgumentItem ndviArgs = tvdiP.NdviFile;
ArgumentItem lstArgs = tvdiP.LstFile;
try
{
int rangeSize = (int)Math.Ceiling((double)(ndviArgs.Max - ndviArgs.Min) / tvdiP.Length);//区间个数
if (rangeSize == 0)
{
return(null);
}
float key = 0;
float minLst = 0;
float maxLst = 0;
for (int rangeIndex = 0; rangeIndex < rangeSize; rangeIndex++) //每个步长区间，0~step;step~step*rangeIndex;step
{
key = (float)(ndviArgs.Min + tvdiP.Length * rangeIndex); // / ndviArgs.Zoom;
if (!NDVIHistograms.ContainsKey(key))
{
continue;
}
if (key == 0 || !ValidValueHelper.IsVaild(key, ndviArgs))
{
continue;
}
if (NDVIHistograms[key] == null || NDVIHistograms[key].Count == 0)
{
continue;
}
NDVIHistograms[key].Sort();
minLst = 0;
maxLst = 0;
NdviLstPCStat(NDVIHistograms[key], out minLst, out maxLst, ucArgs.TVDIParas.LstFile, tvdiP.LstFreq);
if (minLst == 0 && maxLst == 0)
{
continue;
}
minData.Add(new Samples(key * ndviArgs.Zoom, minLst * lstArgs.Zoom));
maxData.Add(new Samples(key * ndviArgs.Zoom, maxLst * lstArgs.Zoom));
}
GC.Collect();
return(NihePara(maxData, minData, ndviArgs, tvdiP.LstFile, tvdiP.FLimit, tvdiP.HGYZ));
}
finally
{
}
}
private TVDIUCArgs GetUCArgs()
{
if (_ucArgs == null)
{
_ucArgs = new TVDIUCArgs();
}
_ucArgs.TVDIParas = _cur;
_ucArgs.NDVIFile = _ndviFile;
_ucArgs.LSTFile = _lstFile;
_ucArgs.DEMFile = _demFile;
_ucArgs.DryWetEdgesFitting = _dryWetEdgesArgs;
return(_ucArgs);
}
public static Dictionary <float, List <float> > NDVIHistograms(TVDIUCArgs ucArgs)
{
string error = string.Empty;
if (!CheckHistograms(ucArgs, ref error))
{
return(null);
}
Dictionary <string, FilePrdMap> filePrdMap = new Dictionary <string, FilePrdMap>();
filePrdMap.Add("NDVIFile", new FilePrdMap(ucArgs.NDVIFile, ucArgs.TVDIParas.NdviFile.Zoom, new VaildPra(ucArgs.TVDIParas.NdviFile.Min, ucArgs.TVDIParas.NdviFile.Max), new int[] { ucArgs.TVDIParas.NdviFile.Band }));
filePrdMap.Add("LSTFile", new FilePrdMap(ucArgs.ECLstFile, ucArgs.TVDIParas.LstFile.Zoom, new VaildPra(ucArgs.TVDIParas.LstFile.Min, ucArgs.TVDIParas.LstFile.Max), new int[] { 1 }));
ITryCreateVirtualPrd tryVPrd = new TryCreateVirtualPrdByMultiFile();
IVirtualRasterDataProvider vrd = null;
try
{
vrd = tryVPrd.CreateVirtualRasterPRD(ref filePrdMap);
if (vrd == null)
{
throw new Exception("数据间无相交部分,无法创建虚拟数据提供者!");
}
Dictionary <float, List <float> > result = new Dictionary <float, List <float> >();
ArgumentProvider ap = new ArgumentProvider(vrd, null);
RasterPixelsVisitor <float> rpVisitor = new RasterPixelsVisitor <float>(ap);
TVDIParaClass tvdiP = ucArgs.TVDIParas;
IPixelFeatureMapper <float> _result = new MemPixelFeatureMapper <float>("0DWE", 1000, new Size(vrd.Width, vrd.Height), vrd.CoordEnvelope, vrd.SpatialRef);
float ndvizoom = tvdiP.NdviFile.Zoom;
float lstZoom = tvdiP.LstFile.Zoom;
rpVisitor.VisitPixel(new int[] { filePrdMap["NDVIFile"].StartBand,
filePrdMap["LSTFile"].StartBand },
(index, values) =>
{
if (values[1] >= tvdiP.LstFile.Min / lstZoom && values[1] <= tvdiP.LstFile.Max / lstZoom &&
values[0] >= tvdiP.NdviFile.Min / ndvizoom && values[0] <= tvdiP.NdviFile.Max / ndvizoom)
{
if (!result.ContainsKey(values[0]))
{
result.Add(values[0], new List <float>());
}
result[values[0]].Add(values[1]);
}
});
return(result.Count == 0 ? null : result);
}
finally
{
vrd.Dispose();
}
}
public static bool DoDryWetEdgeFitting(out DryWetEdgeArgs args, TVDIUCArgs ucArgs, ref string error)
{
args = null;
if (!CheckHistograms(ucArgs, ref error))
{
return(false);
}
Dictionary <float, List <float> > histograms = NDVIHistograms(ucArgs);
args = DryWetEdgesArgsCalc(ucArgs, histograms);
if (args == null)
{
error = "干湿边拟合失败,请调整NDVI值域范围后重试!";
return(false);
}
return(true);
}
public static NdviList[] NDVIHistograms(TVDIUCArgs ucArgs)
{
string error = string.Empty;
if (!CheckHistograms(ucArgs, ref error))
{
return(null);
}
string ndviFile = ucArgs.NDVIFile;
int ndviZoom = ucArgs.TVDIParas.NdviFile.Zoom;
int ndviMin = ucArgs.TVDIParas.NdviFile.Min;
int ndviMax = ucArgs.TVDIParas.NdviFile.Max;
int ndviBand = ucArgs.TVDIParas.NdviFile.Band;
string lstFile = ucArgs.ECLstFile;
int lstZoom = ucArgs.TVDIParas.LstFile.Zoom;
int lstMin = ucArgs.TVDIParas.LstFile.Min;
int lstMax = ucArgs.TVDIParas.LstFile.Max;
IRasterDataProvider ndviPrd = null;
IRasterDataProvider lstPrd = null;
try
{
List <RasterMaper> rms = new List <RasterMaper>();
ndviPrd = RasterDataDriver.Open(ndviFile) as IRasterDataProvider;
if (ndviPrd.BandCount < ndviBand)
{
return(null);
}
RasterMaper ndviRm = new RasterMaper(ndviPrd, new int[] { ndviBand });
rms.Add(ndviRm);
lstPrd = RasterDataDriver.Open(lstFile) as IRasterDataProvider;
if (lstPrd.BandCount < 1)
{
return(null);
}
RasterMaper lstRm = new RasterMaper(lstPrd, new int[] { 1 });
rms.Add(lstRm);
string outFileName = CreatOutFile();
Int16 value0 = 0;
Int16 value1 = 0;
using (IRasterDataProvider outRaster = CreateOutRaster(outFileName, rms.ToArray()))
{
int start = -1000, end = 1000;
int statLength = end - start + 1;
NdviList[] results = new NdviList[statLength];
RasterMaper[] fileIns = rms.ToArray();
RasterMaper[] fileOuts = new RasterMaper[] { new RasterMaper(outRaster, new int[] { 1 }) };
RasterProcessModel <Int16, Int16> rfr = new RasterProcessModel <Int16, Int16>();
rfr.SetRaster(fileIns, fileOuts);
TVDIParaClass tvdiP = ucArgs.TVDIParas;
rfr.RegisterCalcModel(new RasterCalcHandler <Int16, Int16>((rvInVistor, rvOutVistor, aoi) =>
{
int dataLength = rvOutVistor[0].SizeY * rvOutVistor[0].SizeX;
if (rvInVistor[0].RasterBandsData == null || rvInVistor[1].RasterBandsData == null ||
rvInVistor[0].RasterBandsData[0] == null || rvInVistor[1].RasterBandsData[0] == null)
{
return;
}
for (int index = 0; index < dataLength; index++)
{
value0 = rvInVistor[0].RasterBandsData[0][index];
value1 = rvInVistor[1].RasterBandsData[0][index];
if (value0 < -1000 || value0 > 1000)
{
continue;
}
if (results[value0 - (-1000)] == null)
{
results[value0 - (-1000)] = new NdviList(value0);
}
results[value0 - (-1000)].Lst.Add(value1);
}
}));
rfr.Excute();
return(results);
}
}
finally
{
if (ndviPrd != null)
{
ndviPrd.Dispose();
}
if (lstPrd != null)
{
lstPrd.Dispose();
}
}
}
public static bool DoElevationCorrections(TVDIUCArgs ucArgs, ref string error)
{
if (string.IsNullOrEmpty(ucArgs.LSTFile) || string.IsNullOrEmpty(ucArgs.DEMFile) || ucArgs.TVDIParas == null || ucArgs.TVDIParas.LstFile == null)
{
error = "陆表高温高程订正所需数据或参数设置不全.";
return(false);
}
string lstFile = ucArgs.LSTFile;
string demFile = ucArgs.DEMFile;
float lstZoom = ucArgs.TVDIParas.LstFile.Zoom;
int lstMin = ucArgs.TVDIParas.LstFile.Min;
int lstMax = ucArgs.TVDIParas.LstFile.Max;
int lstBand = ucArgs.TVDIParas.LstFile.Band;
IRasterDataProvider lstPrd = null;
IRasterDataProvider demPrd = null;
try
{
List <RasterMaper> rms = new List <RasterMaper>();
lstPrd = RasterDataDriver.Open(lstFile) as IRasterDataProvider;
if (lstPrd.BandCount < lstBand)
{
error = "选择的文件不正确，请重新选择。";
return(false);
}
RasterMaper lstRm = new RasterMaper(lstPrd, new int[] { lstBand });
rms.Add(lstRm);
demPrd = RasterDataDriver.Open(demFile) as IRasterDataProvider;
if (demPrd.BandCount < 1)
{
error = "选择的文件不正确，请重新选择。";
return(false);
}
RasterMaper demRm = new RasterMaper(demPrd, new int[] { 1 });
rms.Add(demRm);
//输出文件准备（作为输入栅格并集处理）
string outFileName = CreatOutFileName(lstFile, demFile);
using (IRasterDataProvider outRaster = CreateOutRaster(outFileName, rms.ToArray()))
{
//栅格数据映射
RasterMaper[] fileIns = rms.ToArray();
RasterMaper[] fileOuts = new RasterMaper[] { new RasterMaper(outRaster, new int[] { 1 }) };
//创建处理模型
RasterProcessModel <Int16, Int16> rfr = new RasterProcessModel <Int16, Int16>();
rfr.SetRaster(fileIns, fileOuts);
rfr.RegisterCalcModel(new RasterCalcHandler <Int16, Int16>((rvInVistor, rvOutVistor, aoi) =>
{
int dataLength = rvOutVistor[0].SizeY * rvOutVistor[0].SizeX;
int value0 = 0;
int value1 = 0;
if (rvInVistor[0].RasterBandsData == null || rvInVistor[1].RasterBandsData == null ||
rvInVistor[0].RasterBandsData[0] == null || rvInVistor[1].RasterBandsData[0] == null)
{
return;
}
for (int index = 0; index < dataLength; index++)
{
value0 = rvInVistor[0].RasterBandsData[0][index];
value1 = rvInVistor[1].RasterBandsData[0][index];
if (value1 == -9999)
{
rvOutVistor[0].RasterBandsData[0][index] = 9999;//海洋
continue;
}
if (value1 == -9000)
{
rvOutVistor[0].RasterBandsData[0][index] = 9000;//非中国区域陆地
continue;
}
if (value1 >= 6000)
{
rvOutVistor[0].RasterBandsData[0][index] = 0; //6000之内的LST数据
continue;
}
if (value0 == ucArgs.TVDIParas.LstFile.Cloudy)
{
rvOutVistor[0].RasterBandsData[0][index] = 9998; //云区
continue;
}
if (value0 == 12)
{
rvOutVistor[0].RasterBandsData[0][index] = 9997;//无数据区域
continue;
}
if (value0 == 0)
{
rvOutVistor[0].RasterBandsData[0][index] = 0;
continue;
}
if (value1 == 0)
{
rvOutVistor[0].RasterBandsData[0][index] = 0;
continue;
}
rvOutVistor[0].RasterBandsData[0][index] = (Int16)(((double)value0 / lstZoom - 273 + 0.006 * value1) * lstZoom);
}
}));
//执行
rfr.Excute();
//FileExtractResult res = new FileExtractResult("0LEC", outFileName, true);
//res.SetDispaly(false);
}
ucArgs.ECLstFile = outFileName;
return(true);
}
finally
{
if (lstPrd != null)
{
lstPrd.Dispose();
}
if (demPrd != null)
{
demPrd.Dispose();
}
}
}
private IExtractResult DemAlgorithm(Action <int, string> progressTracker)
{
TVDIUCArgs args = _argumentProvider.GetArg("ArgumentSetting") as TVDIUCArgs;
if (args == null)
{
PrintInfo("请设置进行温度植被干旱指数计算的参数。");
return(null);
}
string ndviFile = args.NDVIFile;
string lstFile = args.ECLstFile;
DryWetEdgeArgs dryWetArg = args.DryWetEdgesFitting;
if (string.IsNullOrEmpty(ndviFile) || string.IsNullOrEmpty(lstFile))
{
PrintInfo("请选择进行温度植被干旱指数计算所需的文件。");
return(null);
}
if (dryWetArg == null)
{
PrintInfo("请先进行干湿边拟合，计算拟合参数。");
return(null);
}
double maxA = dryWetArg.MaxA, maxB = dryWetArg.MaxB, minA = dryWetArg.MinA, minB = dryWetArg.MinB;
if (args.TVDIParas == null || args.TVDIParas.LstFile == null)
{
return(null);
}
int ndviBand = args.TVDIParas.NdviFile.Band;
if (ndviBand == -1)
{
return(null);
}
int lstZoom = args.TVDIParas.Zoom; //args.TVDIParas.LstFile.Zoom;
if (lstZoom == 0)
{
return(null);
}
int lstMin = args.TVDIParas.LstFile.Min;
int lstMax = args.TVDIParas.LstFile.Max;
int ndviCloudy = args.TVDIParas.NdviFile.Cloudy;
//输入文件准备
List <RasterMaper> rms = new List <RasterMaper>();
IRasterDataProvider ndviPrd = null;
IRasterDataProvider lstPrd = null;
try
{
ndviPrd = GeoDataDriver.Open(ndviFile) as IRasterDataProvider;
if (ndviPrd.BandCount < ndviBand)
{
PrintInfo("请选择正确的植被指数文件进行温度植被干旱指数计算。");
return(null);
}
RasterMaper ndviRm = new RasterMaper(ndviPrd, new int[] { ndviBand });
rms.Add(ndviRm);
lstPrd = GeoDataDriver.Open(lstFile) as IRasterDataProvider;
if (lstPrd.BandCount < 1)
{
PrintInfo("请选择正确的陆表高温文件进行温度植被干旱指数计算。");
return(null);
}
RasterMaper lstRm = new RasterMaper(lstPrd, new int[] { 1 });
rms.Add(lstRm);
//输出文件准备
RasterIdentify ri = GetRasterIdentifyID(new string[] { ndviFile, lstFile });
string outFileName = ri.ToWksFullFileName(".dat");
//string outFileName = GetFileName(new string[] { ndviFile, lstFile }, _subProductDef.ProductDef.Identify, _identify, ".dat", null);
using (IRasterDataProvider outRaster = CreateOutRaster(outFileName, rms.ToArray()))
{
//栅格数据映射
RasterMaper[] fileIns = rms.ToArray();
RasterMaper[] fileOuts = new RasterMaper[] { new RasterMaper(outRaster, new int[] { 1 }) };
RasterProcessModel <short, short> rfr = new RasterProcessModel <short, short>(progressTracker);
rfr.SetRaster(fileIns, fileOuts);
double tmin = 0d, tmax = 0d;
short value0 = 0, value1 = 0;
rfr.RegisterCalcModel(new RasterCalcHandler <short, short>((rvInVistor, rvOutVistor, aoi) =>
{
int dataLength = rvOutVistor[0].SizeY * rvOutVistor[0].SizeX;
if (rvInVistor[0].RasterBandsData == null || rvInVistor[1].RasterBandsData == null ||
rvInVistor[0].RasterBandsData[0] == null || rvInVistor[1].RasterBandsData[0] == null)
{
return;
}
for (int index = 0; index < dataLength; index++)
{
value0 = rvInVistor[0].RasterBandsData[0][index];
value1 = rvInVistor[1].RasterBandsData[0][index];
#region LST
if (value1 == 9000)
{
rvOutVistor[0].RasterBandsData[0][index] = (Int16)(2 * lstZoom); //非中国区域陆地
continue;
}
if (value1 == 9999)
{
rvOutVistor[0].RasterBandsData[0][index] = (Int16)Math.Round((2.5 * lstZoom), 0); //海区
continue;
}
if (value1 == 9998)
{
rvOutVistor[0].RasterBandsData[0][index] = (Int16)Math.Round((2.55 * lstZoom), 0); //云区
continue;
}
if (value1 == 9997)
{
rvOutVistor[0].RasterBandsData[0][index] = (Int16)Math.Round((1.5 * lstZoom), 0); //无数据区域
continue;
}
if (value1 < lstMin || value1 > lstMax)
{
rvOutVistor[0].RasterBandsData[0][index] = (Int16)Math.Round((1.5 * lstZoom), 0);
continue;
}
#endregion
#region ndvi检查
if (value0 == ndviCloudy) //过滤无效值
{
rvOutVistor[0].RasterBandsData[0][index] = (Int16)Math.Round((2.55 * lstZoom), 0);
continue;
}
if (value0 == 0)
{
continue;
}
#endregion
tmin = minA + minB * value0;
tmax = maxA + maxB * value0;
if (tmin == tmax)
{
rvOutVistor[0].RasterBandsData[0][index] = 0;
}
else
{
rvOutVistor[0].RasterBandsData[0][index] = (Int16)(((value1 - tmin) / (tmax - tmin)) * lstZoom);
}
}
}));
rfr.Excute();
FileExtractResult res = new FileExtractResult(_subProductDef.Identify, outFileName, true);
res.SetDispaly(false);
return(res);
}
}
finally
{
if (ndviPrd != null)
{
ndviPrd.Dispose();
}
if (lstPrd != null)
{
lstPrd.Dispose();
}
}
}
public static bool DoElevationCorrections(TVDIUCArgs ucArgs, ref string error)
{
if (string.IsNullOrEmpty(ucArgs.LSTFile) || string.IsNullOrEmpty(ucArgs.DEMFile) || ucArgs.TVDIParas == null || ucArgs.TVDIParas.LstFile == null)
{
error = "陆表高温高程订正所需数据或参数设置不全.";
return(false);
}
Dictionary <string, FilePrdMap> filePrdMap = new Dictionary <string, FilePrdMap>();
filePrdMap.Add("LSTFile", new FilePrdMap(ucArgs.LSTFile, ucArgs.TVDIParas.LstFile.Zoom, new VaildPra(ucArgs.TVDIParas.LstFile.Min, ucArgs.TVDIParas.LstFile.Max), new int[] { ucArgs.TVDIParas.LstFile.Band }));
filePrdMap.Add("DemFile", new FilePrdMap(ucArgs.DEMFile, 1, new VaildPra(float.MinValue, float.MaxValue), new int[] { 1 }));
ITryCreateVirtualPrd tryVPrd = new TryCreateVirtualPrdByMultiFile();
IVirtualRasterDataProvider vrd = null;
IInterestedRaster <float> iir = null;
try
{
vrd = tryVPrd.CreateVirtualRasterPRD(ref filePrdMap);
if (vrd == null)
{
throw new Exception("数据间无相交部分,无法创建虚拟数据提供者!");
}
ArgumentProvider ap = new ArgumentProvider(vrd, null);
RasterPixelsVisitor <float> rpVisitor = new RasterPixelsVisitor <float>(ap);
IPixelFeatureMapper <float> _result = new MemPixelFeatureMapper <float>("0LEC", 1000, new Size(vrd.Width, vrd.Height), vrd.CoordEnvelope, vrd.SpatialRef);
ArgumentItem ai = ucArgs.TVDIParas.LstFile;
rpVisitor.VisitPixel(new int[] { filePrdMap["LSTFile"].StartBand,
filePrdMap["DemFile"].StartBand },
(index, values) =>
{
if (values[1] == -9999)
{
_result.Put(index, 9999); //海洋
}
else if (values[1] == -9000)
{
_result.Put(index, 9000); //非中国区域陆地
}
else if (values[1] >= 6000)
{
_result.Put(index, 0); //6000之内的LST数据
}
else if (values[0] == ucArgs.TVDIParas.LstFile.Cloudy)
{
_result.Put(index, 9998); //云区
}
else if (values[0] == 12)
{
_result.Put(index, 9997); //无数据区域
}
else if (values[0] == 0)
{
_result.Put(index, 0);
}
else if (values[1] == 0)
{
_result.Put(index, 0);
}
else
{
_result.Put(index, (float)(Math.Round((values[0] - 273f + 0.006f * values[1]) * ai.Zoom, 0)));
}
});
iir = new InterestedRaster <float>(CreateRID(ucArgs.LSTFile), new Size(vrd.Width, vrd.Height), vrd.CoordEnvelope, vrd.SpatialRef);
iir.Put(_result);
ucArgs.ECLstFile = iir.FileName;
return(true);
}
finally
{
if (iir != null)
{
iir.Dispose();
}
vrd.Dispose();
}
}
