public override void Reset()
{
if (_datasetNames != null)
{
_datasetNames.Clear();
_datasetNames = null;
}
_provider = null;
_matchedBandProviderDef = null;
}
public BandProviderDef[] GetBandProviderDefs()
{
XDocument doc = XDocument.Load(_cnfgFile);
XElement root = doc.Root;
var elePrds = root.Elements(XName.Get("BandProvider"));
if (elePrds == null || elePrds.Count() == 0)
{
return(null);
}
List <BandProviderDef> prds = new List <BandProviderDef>();
foreach (XElement ele in elePrds)
{
BandProviderDef prd = BandProviderDef.FromXElement(ele);
if (prd != null)
{
prds.Add(prd);
}
}
return(prds.Count > 0 ? prds.ToArray() : null);
}
private void TryGetBandProviderDefinition(string fname, Dictionary <string, string> subdatasets)
{
List <string> datasetNames = null;
if (subdatasets != null)
{
datasetNames = GetDatasetNames(subdatasets);
}
BandProviderDef[] bandProviderDefs = null;
//Console.WriteLine(this.GetType().Assembly.Location);
string configfile = Path.Combine(Path.GetDirectoryName(this.GetType().Assembly.Location), "GeoDo.RSS.DF.GDAL.H4BandPrd.xml");
using (H4BandProviderXmlParser xml = new H4BandProviderXmlParser(configfile))
{
bandProviderDefs = xml.GetBandProviderDefs();
}
if (bandProviderDefs == null)
{
return;
}
string dayornight = "";
using (Hdf4Operator hdf = new Hdf4Operator(fname))
{
foreach (BandProviderDef prddef in bandProviderDefs)
{
bool isMatched = true;
if (datasetNames != null)
{
foreach (DefaultBandDatasetDef bandDef in prddef.DefaultBandDatasetDefs)
{
if (!datasetNames.Contains(bandDef.Name))
{
isMatched = false;
break;
}
}
if (!isMatched)
{
continue;
}
}
foreach (IdentifyAttDef id in prddef.IdentifyAttDefs)
{
string attvalue = hdf.GetAttributeValue(id.Name);
if (attvalue != id.Value)
{
isMatched = false;
break;
}
}
//增加对网站下载MODIS数据的支持，数据未在属性中定义卫星、传感器信息
if (!isMatched)
{
DataIdentify di = DataIdentifyMatcher.Match(fname);
if (di != null && !string.IsNullOrEmpty(di.Satellite))
{
foreach (IdentifyAttDef id in prddef.IdentifyAttDefs)
{
if (di.Satellite.ToUpper() == id.Value.ToUpper())
{
isMatched = true;
break;
}
}
}
}
if (isMatched)
{
_matchedBandProviderDef = prddef;
break;
}
}
dayornight = TryGetDayOrnight(hdf);
}
if (_matchedBandProviderDef != null)
{
_dataIdentify = new DataIdentify(_matchedBandProviderDef.Satellite, _matchedBandProviderDef.Sensor);
_dataIdentify.IsOrbit = true;
TrySetIdentifyByName(fname);
TryGetOrbitDirection(dayornight, _matchedBandProviderDef.Satellite);
}
}