private void TryCreateDefaultArgsHKM(IRasterDataProvider srcRaster, EOS_MODIS_PrjSettings prjSettings, ref ISpatialReference dstSpatialRef)
{
if (dstSpatialRef == null)
{
dstSpatialRef = _srcSpatialRef;
}
if (string.IsNullOrWhiteSpace(prjSettings.OutFormat))
{
prjSettings.OutFormat = "LDF";
}
if (prjSettings.OutResolutionX == 0 || prjSettings.OutResolutionY == 0)
{
if (dstSpatialRef.ProjectionCoordSystem == null)
{
prjSettings.OutResolutionX = 0.005F;
prjSettings.OutResolutionY = 0.005F;
}
else
{
prjSettings.OutResolutionX = 500F;
prjSettings.OutResolutionY = 500F;
}
}
if (prjSettings.BandMapTable == null || prjSettings.BandMapTable.Count == 0)
{
List <BandMap> bandmapList = new List <BandMap>();
bandmapList.Add(new BandMap()
{
DatasetName = "EV_250_Aggr500_RefSB", File = srcRaster, BandIndex = 0
}); //1
bandmapList.Add(new BandMap()
{
DatasetName = "EV_250_Aggr500_RefSB", File = srcRaster, BandIndex = 1
}); //2
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_RefSB", File = srcRaster, BandIndex = 0
}); //3
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_RefSB", File = srcRaster, BandIndex = 1
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_RefSB", File = srcRaster, BandIndex = 2
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_RefSB", File = srcRaster, BandIndex = 3
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_RefSB", File = srcRaster, BandIndex = 4
}); //7
prjSettings.BandMapTable = bandmapList;
}
}
public override void Project(IRasterDataProvider srcRaster, FilePrjSettings prjSettings, ISpatialReference dstSpatialRef, Action <int, string> progressCallback)
{
if (srcRaster == null)
{
throw new ArgumentNullException("srcRaster");
}
if (prjSettings == null)
{
throw new ArgumentNullException("prjSettings");
}
EOS_MODIS_PrjSettings eosPrjSettings = prjSettings as EOS_MODIS_PrjSettings;
if (eosPrjSettings.LocationFile == null)
{
throw new ArgumentNullException("prjSettings.LocationFile", "EOS投影未设置经纬度坐标(MOD03.hdf)文件");
}
if (progressCallback != null)
{
progressCallback(0, "准备相关参数");
}
string fileType = CheckFile(srcRaster);
switch (fileType)
{
case "1000":
TryCreateDefaultArgsKM(srcRaster, eosPrjSettings, ref dstSpatialRef);
DoSession(srcRaster, dstSpatialRef, eosPrjSettings, progressCallback);
if (prjSettings.OutEnvelope == null || prjSettings.OutEnvelope == PrjEnvelope.Empty)
{
prjSettings.OutEnvelope = _maxPrjEnvelope;
}
Project(srcRaster, eosPrjSettings, dstSpatialRef, progressCallback);
break;
case "0500":
TryCreateDefaultArgsHKM(srcRaster, eosPrjSettings, ref dstSpatialRef);
DoSession(srcRaster, dstSpatialRef, eosPrjSettings, progressCallback);
if (prjSettings.OutEnvelope == null || prjSettings.OutEnvelope == PrjEnvelope.Empty)
{
prjSettings.OutEnvelope = _maxPrjEnvelope;
}
Project0500(srcRaster, _locationSize, eosPrjSettings, dstSpatialRef, progressCallback);
break;
case "0250":
TryCreateDefaultArgsQKM(srcRaster, eosPrjSettings, ref dstSpatialRef);
break;
default:
throw new NotSupportedException("不能识别该投影文件为受支持的EOS轨道数据" + srcRaster.fileName);
}
}
private void Project(IRasterDataProvider srcRaster, EOS_MODIS_PrjSettings prjSettings, ISpatialReference dstSpatialRef, Action <int, string> progressCallback)
{
PrjEnvelope envelops = prjSettings.OutEnvelope;
if (envelops.IntersectsWith(_maxPrjEnvelope))
{
switch (prjSettings.OutFormat)
{
case "LDF":
ProjectToLDF(srcRaster, prjSettings, dstSpatialRef, progressCallback);
break;
case "MEMORY":
default:
throw new NotSupportedException(string.Format("暂不支持的输出格式", prjSettings.OutFormat));
}
}
else
{
throw new Exception("数据不在目标区间内");
}
}
private string PrjMODIS_1KM_L1(IRasterDataProvider fileName, ISpatialReference projRef)
{//
IRasterDataProvider srcRaster = fileName;
IRasterDataProvider locationRaster = null;
try
{
List <BandMap> bandmapList = new List <BandMap>();
bandmapList.Add(new BandMap()
{
DatasetName = "EV_250_Aggr1km_RefSB", File = srcRaster, BandIndex = 0
}); //1
bandmapList.Add(new BandMap()
{
DatasetName = "EV_250_Aggr1km_RefSB", File = srcRaster, BandIndex = 1
}); //2
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_Aggr1km_RefSB", File = srcRaster, BandIndex = 0
}); //3
locationRaster = TryFindMODIS_1KM_L103File(fileName);
IFileProjector projTor = FileProjector.GetFileProjectByName("EOS");
EOS_MODIS_PrjSettings prjSetting = new EOS_MODIS_PrjSettings();
prjSetting.BandMapTable = bandmapList;
prjSetting.LocationFile = locationRaster;
prjSetting.OutPathAndFileName = GetOutPutFile(fileName.fileName, projRef);
ISpatialReference dstSpatialRef = projRef;
projTor.Project(srcRaster, prjSetting, dstSpatialRef, _progress);
return(prjSetting.OutPathAndFileName);
}
finally
{
if (locationRaster != null)
{
locationRaster.Dispose();
}
}
}
private void ProjectToLDF0500(IRasterDataProvider srcRaster, Size srcLocationSize, EOS_MODIS_PrjSettings prjSettings, ISpatialReference dstSpatialRef, Action <int, string> progressCallback)
{
if (srcRaster == null || srcRaster.Width == 0 || srcRaster.Height == 0)
{
throw new Exception("投影250米MERSI数据失败：无法读取源数据,或者源数据高或宽为0。");
}
Size srcDataSize = new Size(srcRaster.Width, srcRaster.Height);
string outFormat = prjSettings.OutFormat;
string outfilename = prjSettings.OutPathAndFileName;
string dstProj4 = dstSpatialRef.ToProj4String();
List <BandMap> bandMaps = prjSettings.BandMapTable;
int dstBandCount = bandMaps.Count;
Size dstSize = prjSettings.OutSize;
using (IRasterDataDriver drv = GeoDataDriver.GetDriverByName("LDF") as IRasterDataDriver)
{
PrjEnvelope dstEnvelope = prjSettings.OutEnvelope;
string mapInfo = "MAPINFO={" + 1 + "," + 1 + "}:{" + dstEnvelope.MinX + "," + dstEnvelope.MaxY + "}:{" + prjSettings.OutResolutionX + "," + prjSettings.OutResolutionY + "}";
using (IRasterDataProvider prdWriter = drv.Create(outfilename, dstSize.Width, dstSize.Height, dstBandCount,
enumDataType.UInt16, "INTERLEAVE=BSQ", "VERSION=LDF", "SPATIALREF=" + dstProj4, mapInfo, "WITHHDR=TRUE") as IRasterDataProvider)
{
//考虑分块
float outResolutionX = prjSettings.OutResolutionX;
float outResolutionY = prjSettings.OutResolutionY;
Size outSize = dstEnvelope.GetSize(outResolutionX, outResolutionY);
#region 计算分块个数、分块高宽
int blockXNum;
int blockYNum;
int blockWidth;
int blockHeight;
GetBlockNumber(outSize, out blockXNum, out blockYNum, out blockWidth, out blockHeight);
#endregion
Size blockSize = new Size(blockWidth, blockHeight);
for (int blockYIndex = 0; blockYIndex < blockYNum; blockYIndex++)
{
for (int blockXIndex = 0; blockXIndex < blockXNum; blockXIndex++)
{
//当前块的四角范围
double blockMinX = dstEnvelope.MinX + blockWidth * outResolutionX * blockXIndex;
double blockMaxX = blockMinX + blockWidth * outResolutionX;
double blockMaxY = dstEnvelope.MaxY - blockHeight * outResolutionY * blockYIndex;
double blockMinY = blockMaxY - blockHeight * outResolutionY;
PrjEnvelope blockEnvelope = new PrjEnvelope(blockMinX, blockMaxX, blockMinY, blockMaxY);
UInt16[] dstRowLookUpTable = new UInt16[blockWidth * blockHeight];
UInt16[] dstColLookUpTable = new UInt16[blockWidth * blockHeight];
_rasterProjector.ComputeIndexMapTable(_xs, _ys, srcLocationSize, srcDataSize, blockSize, blockEnvelope,
out dstRowLookUpTable, out dstColLookUpTable, progressCallback);
//执行投影
UInt16[] srcBandData = null;
UInt16[] dstBandData = new UInt16[blockWidth * blockHeight];
for (int i = 0; i < dstBandCount; i++) //读取原始通道值，投影到目标区域
{
BandMap bandMap = bandMaps[i];
ReadBandData(out srcBandData, bandMap.File, bandMap.DatasetName, bandMap.BandIndex, srcDataSize);
if (prjSettings.IsRadiation) //亮温转换，这里处理的不好，如果是做了一个小块的分幅，这里花的代价太高,
{
DoRadiation(srcBandData, srcDataSize, srcLocationSize, bandMap.DatasetName, bandMap.BandIndex, srcRaster, prjSettings.IsRadiation, prjSettings.IsSolarZenith);
}
_rasterProjector.Project <UInt16>(srcBandData, srcDataSize, dstRowLookUpTable, dstColLookUpTable, blockSize, dstBandData, 0, progressCallback);
using (IRasterBand band = prdWriter.GetRasterBand(i + 1))
{
unsafe
{
fixed(UInt16 *ptr = dstBandData)
{
IntPtr bufferPtr = new IntPtr(ptr);
int blockOffsetY = blockYIndex * blockSize.Height;
int blockOffsetX = blockWidth * blockXIndex;
band.Write(blockOffsetX, blockOffsetY, blockWidth, blockHeight, bufferPtr, enumDataType.UInt16, blockWidth, blockHeight);
}
}
}
}
}
}
}
}
}
private void TryCreateDefaultArgsKM(IRasterDataProvider srcRaster, EOS_MODIS_PrjSettings prjSettings, ref ISpatialReference dstSpatialRef)
{
if (dstSpatialRef == null)
{
dstSpatialRef = _srcSpatialRef;
}
if (string.IsNullOrWhiteSpace(prjSettings.OutFormat))
{
prjSettings.OutFormat = "LDF";
}
if (prjSettings.OutResolutionX == 0 || prjSettings.OutResolutionY == 0)
{
if (dstSpatialRef.ProjectionCoordSystem == null)
{
prjSettings.OutResolutionX = 0.01F;
prjSettings.OutResolutionY = 0.01F;
}
else
{
prjSettings.OutResolutionX = 1000F;
prjSettings.OutResolutionY = 1000F;
}
}
if (prjSettings.BandMapTable == null || prjSettings.BandMapTable.Count == 0)
{
List <BandMap> bandmapList = new List <BandMap>();
bandmapList.Add(new BandMap()
{
DatasetName = "EV_250_Aggr1km_RefSB", File = srcRaster, BandIndex = 0
}); //1
bandmapList.Add(new BandMap()
{
DatasetName = "EV_250_Aggr1km_RefSB", File = srcRaster, BandIndex = 1
}); //2
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_Aggr1km_RefSB", File = srcRaster, BandIndex = 0
}); //3
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_Aggr1km_RefSB", File = srcRaster, BandIndex = 1
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_Aggr1km_RefSB", File = srcRaster, BandIndex = 2
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_Aggr1km_RefSB", File = srcRaster, BandIndex = 3
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_500_Aggr1km_RefSB", File = srcRaster, BandIndex = 4
}); //7
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 0
}); //8
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 1
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 2
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 3
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 4
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 5
}); //13lo
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 6
}); //13hi
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 7
}); //14lo
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 8
}); //14hi
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 9
}); //15
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 10
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 11
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 12
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 13
}); //19
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 0
}); //20
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 1
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 2
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 3
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 4
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 5
}); //25
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_RefSB", File = srcRaster, BandIndex = 14
}); //26
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 6
}); //27
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 7
}); //28
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 8
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 9
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 10
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 11
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 12
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 13
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 14
});
bandmapList.Add(new BandMap()
{
DatasetName = "EV_1KM_Emissive", File = srcRaster, BandIndex = 15
}); //36
prjSettings.BandMapTable = bandmapList;
}
}
/// <summary>
/// 0、先生成目标文件，以防止目标空间不足。
/// 1、计算查找表
/// 2、对所有波段执行投影
/// </summary>
private void ProjectToLDF(IRasterDataProvider srcRaster, EOS_MODIS_PrjSettings prjSettings, ISpatialReference dstSpatialRef, Action <int, string> progressCallback)
{
string outFormat = prjSettings.OutFormat;
string outfilename = prjSettings.OutPathAndFileName;
string dstProj4 = dstSpatialRef.ToProj4String();
List <BandMap> bandMaps = prjSettings.BandMapTable;
int dstBandCount = bandMaps.Count;
Size srcSize = new Size(srcRaster.Width, srcRaster.Height);
Size dstSize = prjSettings.OutSize;
using (IRasterDataDriver drv = GeoDataDriver.GetDriverByName("LDF") as IRasterDataDriver)
{
PrjEnvelope dstEnvelope = prjSettings.OutEnvelope;
string[] options = new string[] {
"INTERLEAVE=BSQ",
"VERSION=LDF",
"WITHHDR=TRUE",
"SPATIALREF=" + dstSpatialRef.ToProj4String(),
"MAPINFO={" + 1 + "," + 1 + "}:{" + dstEnvelope.MinX + "," + dstEnvelope.MaxY + "}:{" + prjSettings.OutResolutionX + "," + prjSettings.OutResolutionY + "}"
};
if (progressCallback != null)
{
progressCallback(4, "生成输出文件");
}
using (IRasterDataProvider prdWriter = drv.Create(outfilename, dstSize.Width, dstSize.Height, dstBandCount,
enumDataType.UInt16, options) as IRasterDataProvider)
{
UInt16[] dstRowLookUpTable = new UInt16[dstSize.Width * dstSize.Height];
UInt16[] dstColLookUpTable = new UInt16[dstSize.Width * dstSize.Height];
_rasterProjector.ComputeIndexMapTable(_xs, _ys, _locationSize, dstSize, dstEnvelope, _maxPrjEnvelope,
out dstRowLookUpTable, out dstColLookUpTable, null);
//执行投影
UInt16[] srcBandData = new UInt16[srcSize.Width * srcSize.Height];
UInt16[] dstBandData = new UInt16[dstSize.Width * dstSize.Height];
int progress = 0;
for (int i = 0; i < dstBandCount; i++) //读取原始通道值，投影到目标区域
{
if (progressCallback != null)
{
progress = (int)((i + 1) * 100 / dstBandCount);
progressCallback(progress, string.Format("投影第{0}通道", i + 1));
}
BandMap bandMap = bandMaps[i];
ReadBandData(srcBandData, bandMap.File, bandMap.DatasetName, bandMap.BandIndex, srcSize);
DoRadiation(srcBandData, srcSize, bandMap.DatasetName, bandMap.BandIndex, srcRaster, prjSettings.IsRadiation, prjSettings.IsSolarZenith);
_rasterProjector.Project <UInt16>(srcBandData, srcSize, dstRowLookUpTable, dstColLookUpTable, dstSize, dstBandData, 0, null);
using (IRasterBand band = prdWriter.GetRasterBand(i + 1))
{
unsafe
{
fixed(UInt16 *ptr = dstBandData)
{
IntPtr bufferPtr = new IntPtr(ptr);
band.Write(0, 0, band.Width, band.Height, bufferPtr, enumDataType.UInt16, band.Width, band.Height);
}
}
}
}
}
}
}
private void DoSession(IRasterDataProvider srcRaster, ISpatialReference dstSpatialRef, EOS_MODIS_PrjSettings fy3prjSettings, Action <int, string> progressCallback)
{
if (_curSession != null && _curSession != srcRaster)
{
EndSession();
}
if (_curSession == null)
{
IRasterDataProvider locationFile = fy3prjSettings.LocationFile;
ReadyLocations(locationFile, dstSpatialRef, out _xs, out _ys, out _maxPrjEnvelope, out _locationSize, progressCallback);
if (progressCallback != null)
{
progressCallback(3, "准备其他参数");
}
if (fy3prjSettings.IsRadiation && fy3prjSettings.IsSolarZenith)
{
ReadySolarZenithArgs(locationFile);
}
}
}