/// <summary>
/// 投影
/// </summary>
/// <param name="srcRaster"></param>
/// <param name="prjSettings"></param>
/// <param name="dstRaster"></param>
/// <param name="beginBandIndex"></param>
/// <param name="progressCallback"></param>
/// <returns></returns>
public override IRasterDataProvider Project(IRasterDataProvider srcRaster, FilePrjSettings prjSettings, RSS.Core.DF.IRasterDataProvider dstRaster, int beginBandIndex, Action <int, string> progressCallback)
{
if (dstRaster == null)
{
return(null);
}
try
{
_dstSpatialRef = dstRaster.SpatialRef;
CoordEnvelope coordEnv = dstRaster.CoordEnvelope;
prjSettings.OutEnvelope = PrjEnvelope.CreateByLeftTop(coordEnv.MinX, coordEnv.MaxY, coordEnv.Width, coordEnv.Height);
ReadyArgs(srcRaster, prjSettings, dstRaster.SpatialRef, progressCallback);
string outfilename = _prjSettings.OutPathAndFileName;
try
{
Size outSize = new Size(dstRaster.Width, dstRaster.Height);
string[] options = new string[] {
"INTERLEAVE=BSQ",
"VERSION=LDF",
"WITHHDR=TRUE",
"SPATIALREF=" + _dstSpatialRef.ToProj4String(),
"MAPINFO={" + 1 + "," + 1 + "}:{" + _prjSettings.OutEnvelope.MinX + "," + _prjSettings.OutEnvelope.MaxY + "}:{" + dstRaster.ResolutionX + "," + dstRaster.ResolutionY + "}"
, "BANDNAMES=" + BandNameString(_prjSettings.OutBandNos)
};
//ReadyAngleFiles(_angleDataProvider, outfilename, _prjSettings, outSize, options);
ProjectRaster(srcRaster, dstRaster, beginBandIndex, progressCallback);
return(dstRaster);
}
catch (IOException ex)
{
if (ex.Message == "磁盘空间不足。\r\n" && File.Exists(outfilename))
{
File.Delete(outfilename);
}
throw ex;
}
finally
{
if (dstRaster != null)
{
dstRaster.Dispose();
dstRaster = null;
}
}
}
catch
{
EndSession();
TryDeleteCurCatch();
throw;
}
finally
{
if (_curSession == null)
{
EndSession();
if (prjSettings.IsClearPrjCache)
{
TryDeleteCurCatch();
}
}
}
}
