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("");
}
