private void CheckIs0250(IRasterDataProvider srcRaster)
{
try
{
IBandProvider band = srcRaster.BandProvider;
Dictionary <string, string> filaAttrs = band.GetAttributes();
if (filaAttrs == null || !filaAttrs.ContainsKey("File Alias Name"))
{
throw new Exception("不能确认为合法的MERSI轨道数据，尝试获取文件属性File Alias Name的值为空");
}
string fileAliasName = filaAttrs["File Alias Name"];
if (string.IsNullOrWhiteSpace(fileAliasName))
{
throw new Exception("不能确认为合法的MERSI轨道数据，尝试获取文件属性File Alias Name的值为空");
}
else if (fileAliasName == "MERSI_1KM_L1")
{
_dataType = "1KM";
}
else if (fileAliasName == "MERSI_QKM_L1" || fileAliasName == "MERSI_250M_L1")
{
_dataType = "QKM";
}
else
{
throw new Exception("不能确认为合法的MERSI轨道数据，文件属性File Alias Name的值为[" + fileAliasName + "]支持的是MERSI_1KM_L1或者MERSI_QKM_L1");
}
}
catch (Exception ex)
{
throw new Exception("不能确认为合法的MERSI轨道数据" + ex.Message, ex.InnerException);
}
}
private void SetDefaultPara(string filename)
{
ProParas.SrcRaster = GeoDataDriver.Open(_fileNames[0]) as IRasterDataProvider;
IBandProvider bandprovider = ProParas.SrcRaster.BandProvider;
Dictionary <string, string> _fileAttrs = bandprovider.GetAttributes();
_fileAttrs.TryGetValue("File Alias Name", out _sensorName);
ucSelectBands.InitTreeView(ProParas.SrcRaster);
ucSelectBands.AddAll();
SetBandsInfo();
switch (_sensorName)
{
case "VIRR_L1":
ProParas.VirrPrjSetting = new FY3_VIRR_PrjSettings();
ProParas.VirrPrjSetting.OutPathAndFileName = _fileNames[0] + "_WHOLE.ldf";
//_WHOLE_LW.
//_DXX_LW.
//_EF_LW.
ProParas.VirrPrjSetting.OutResolutionX = 0.01F;
ProParas.VirrPrjSetting.OutResolutionY = 0.01F;
ProParas.VirrPrjSetting.OutFormat = "LDF";
ProParas.VirrPrjSetting.OutEnvelope = null;
ucSelectBands.InitTreeView(ProParas.SrcRaster);
ucSelectBands.AddAll();
//ProParas.VirrPrjSetting.BandMapTable = ucSelectBands.GetBandMapList();
break;
}
}
private void GetDataType()
{
_bandProvider = _provider.BandProvider;
_fileAttrs = _bandProvider.GetAttributes();
_fileAttrs.TryGetValue(GETALIASNAME, out _sensorName);
_xElemRoot = XElement.Load(XMLFILEPATH, LoadOptions.None);
IEnumerable <XElement> items = _xElemRoot.Descendants("File");
CompareType(items);
}
private void TestGDALRead()
{
string dsFile = "";
dsFile = "HDF4_SDS:UNKNOWN:\"D:\\masData\\MODIS\\TERRA_2010_03_25_03_09_GZ.MOD03.hdf\":23";
dsFile = "D:\\masData\\MODIS\\TERRA_2010_03_25_03_09_GZ.MOD021KM.hdf";
IRasterDataProvider srcRaster = GeoDataDriver.Open(dsFile) as IRasterDataProvider;
IBandProvider srcbandpro = srcRaster.BandProvider;
IDictionary <string, string> dsAtts = srcbandpro.GetDatasetAttributes("EV_1KM_RefSB");//reflectance_scales
dsAtts = srcbandpro.GetAttributes();
}
/// <summary>
/// 会出现三个值D、N、M
/// </summary>
/// <param name="fileRaster"></param>
/// <returns></returns>
private string DayOrNight(IRasterDataProvider fileRaster)
{
try
{
string v = "";
IBandProvider band = fileRaster.BandProvider;
Dictionary <string, string> filaAttrs = band.GetAttributes();
if (filaAttrs.ContainsKey("Day Or Night Flag")) //VIRR:D MERSI:Day
{
v = filaAttrs["Day Or Night Flag"];
}
else if (filaAttrs.ContainsKey("DAYNIGHTFLAG")) //MODIS:Day
{
v = filaAttrs["DAYNIGHTFLAG"];
}
else
{
v = "";
}
if (v == "")
{
return("X");
}
if (Days.Contains(v))
{
return("D");
}
if (Nights.Contains(v))
{
return("N");
}
if (Ms.Contains(v))
{
return("M");
}
return("X");
}
catch
{
return("X");
}
}
private float[] ReadFileAttributeToFloat(IBandProvider srcbandpro, string AttrName, int length)
{
float[] value = new float[length];
Dictionary <string, string> dsAtts = srcbandpro.GetAttributes();
string refSbCalStr = dsAtts[AttrName];
string[] refSbCals = refSbCalStr.Split(',');
if (refSbCals.Length >= length)
{
for (int i = 0; i < length; i++)
{
value[i] = float.Parse(refSbCals[i]);
}
return(value);
}
else
{
return(null);
}
}
private string CheckFile(IRasterDataProvider srcRaster)
{
IBandProvider band = srcRaster.BandProvider;
Dictionary <string, string> filaAttrs = band.GetAttributes();
if (filaAttrs == null || !filaAttrs.ContainsKey("Satellite"))
{
throw new Exception("不能确认为合法的EOS MODIS轨道数据，尝试获取文件属性Satellite的值为空");
}
_fileAliasName = filaAttrs["Satellite"];
if (string.IsNullOrWhiteSpace(_fileAliasName) || (_fileAliasName != "Terra" && _fileAliasName != "Aqua"))
{
return("");
}
else
{
string[] datasets = band.GetDatasetNames();
if (datasets.Contains("EV_1KM_RefSB") &&
datasets.Contains("EV_250_Aggr1km_RefSB") &&
datasets.Contains("EV_500_Aggr1km_RefSB"))
{
return("1000");
}
else if (datasets.Contains("EV_500_RefSB") &&
datasets.Contains("EV_250_Aggr500_RefSB") &&
datasets.Contains("EV_500_Aggr1km_RefSB"))
{
return("0500");
}
else if (datasets.Contains("EV_250_RefSB"))
{
return("0250");
}
}
return("");
}
