private void TryGetInfosFromRasterProvider(string fname)
{
string extension = Path.GetExtension(fname).ToUpper();
foreach (string ext in EXTENSIONS)
{
if (extension == ext)
{
return;
}
}
if (!File.Exists(fname))
{
return;
}
AbstractWarpDataset prd = null;
//IGeoDataDriver id = null;
try
{
prd = WarpDataset.Open(fname);
if (prd != null)
{
_projectName = GetProjectionIdentify(prd.SpatialRef.GetAttrValue("GEOGCS", 0));
DataIdentify df = prd.DataIdentify;
if (string.IsNullOrEmpty(Satellite) || Satellite.ToUpper() == "NUL")
{
Satellite = df.Satellite;
}
if (string.IsNullOrEmpty(Sensor) || Sensor.ToUpper() == "NUL")
{
Sensor = df.Sensor;
}
if (OrbitDateTime == DateTime.MinValue)
{
OrbitDateTime = df.OrbitDateTime;
}
if (string.IsNullOrWhiteSpace(Resolution) || Resolution == "NULL")
{
Resolution = TryGetResolution(prd.ResolutionX);
}
}
}
catch
{ }
finally
{
if (prd != null)
{
prd.Dispose();
}
}
}
private void TryGetProject(string fname)
{
AbstractWarpDataset prd = WarpDataset.Open(fname);
try
{
if (prd != null)
{
_projectName = GetProjectionIdentify(prd.SpatialRef.GetAttrValue("GEOGCS", 0));
}
}
finally
{
if (prd != null)
{
prd.Dispose();
}
}
}
private void TryMosaicFile(InputArg inArg, AbstractWarpDataset fileRaster, RasterDatasetInfo dataIdentify,
DateTime dateTime, string dayOrNight)
{
if (inArg.MosaicInputArg == null || string.IsNullOrWhiteSpace(inArg.MosaicInputArg.OutputDir) ||
inArg.MosaicInputArg.Envelope == null)
{
return;
}
//if (!Day.Contains(dayOrNight))
//{
// Console.WriteLine("非白天数据，不执行拼接");
// return;
//}
MosaicInputArg mosaicInputArg = inArg.MosaicInputArg;
string projectionIdentify = inArg.ProjectionIdentify;
string station = ParseStation(inArg.InputFilename);
MosaicOutputArg outArg = new MosaicOutputArg();
outArg.Satellite = dataIdentify.SatelliteID;
outArg.Sensor = dataIdentify.SensorID;
outArg.Level = "L1";
outArg.ProjectionIdentify = projectionIdentify;
outArg.ObservationDate = dateTime.ToString("yyyyMMdd");
outArg.Station = station;
outArg.DayOrNight = dayOrNight;
AbstractWarpDataset mosaicFileRaster = null;
try
{
string mosaicFilename = CreateMosaicFilename(inArg, dataIdentify, dateTime, projectionIdentify,
fileRaster.ResolutionX, station, dayOrNight);
mosaicFilename = Path.Combine(mosaicInputArg.OutputDir, mosaicFilename);
Mosaic mosaic = new Mosaic(inArg, fileRaster, new Action <int, string>(OnProgress));
mosaicFileRaster = mosaic.MosaicToFile(mosaicFilename);
OutFileArg fileArg = new OutFileArg();
if (mosaicFileRaster != null)
{
OnProgress(0, "生成缩略图");
string overViewFilename = OverViewHelper.OverView(mosaicFileRaster, 1024);
OnProgress(100, "完成缩略图");
fileArg.Envelope = mosaicInputArg.Envelope;
fileArg.ResolutionX = mosaicFileRaster.ResolutionX.ToString();
fileArg.ResolutionY = mosaicFileRaster.ResolutionY.ToString();
fileArg.OutputFilename = Path.GetFileName(mosaicFileRaster.fileName);
fileArg.Thumbnail = (string.IsNullOrWhiteSpace(overViewFilename)
? ""
: Path.GetFileName(overViewFilename));
fileArg.ExtendFiles = Path.ChangeExtension(Path.GetFileName(mosaicFileRaster.fileName), "hdr");
fileArg.Length = new FileInfo(mosaicFileRaster.fileName).Length;
}
outArg.OutputFiles = new OutFileArg[] { fileArg };
outArg.LogLevel = "info";
outArg.LogInfo = "拼接完成";
}
catch (Exception ex)
{
outArg.LogLevel = "error";
outArg.LogInfo = ex.Message;
}
finally
{
if (mosaicFileRaster != null)
{
mosaicFileRaster.Dispose();
}
string outXmlFilename = Path.Combine(inArg.MosaicInputArg.OutputDir,
Path.GetFileName(inArg.InputFilename) + ".xml");
MosaicOutputArg.WriteXml(outArg, outXmlFilename);
}
}
