private static SDataByProject <T> DoProject <T>(T[,] sourcedata, T fillValue, ref Size outStepSize, ref Size srcStepSize, T[,] dstData, UInt16[] rows, UInt16[] cols)
{
//投影不同分块的数据集
RasterProjector _rasterProjector = new RasterProjector();
_rasterProjector.ProjectNew <T>(sourcedata, srcStepSize, rows, cols, outStepSize, dstData, fillValue);
SDataByProject <T> returnvalue = new SDataByProject <T>();
returnvalue.Data = dstData;
return(returnvalue);
}
private static void ConvertHdf4To5BySds <T>(Hdf4FileAttrs hdf4FileAttrs, int nyf5, int nxf5, int k, int rank,
H5FileId fileId, string sdName, HDF4Helper.DataTypeDefinitions dtaDefinitions, Action <string, int, int> messageAction,
SEnvelope envelopeNew, T fillValue, float dstResolution, ISpatialReference dstSpatialReference, ref UInt16[] rows, ref UInt16[] cols, ref Size srcStepSize, ref Size outSize)
{
T[,] data = new T[nyf5, nxf5];
H5DataSetId dsetId = null;
T[,] dataNew = null;
SDataByProject <T> dataByProject = null;
try
{
for (int i = 0; i < hdf4FileAttrs.Count; i++)
{
Hdf4FileAttr hdf4FileAttr = hdf4FileAttrs[i];
if (messageAction != null)
{
messageAction(String.Format("正在转换数据集 {0}", sdName), k, i);
}
H4SDS sd = hdf4FileAttr.H4File.Datasets[k];
GetDataByHdf4(sd, rank, hdf4FileAttr, data);
}
dataNew = data;
if (outSize.IsEmpty)
{
outSize = new Size(nxf5, nyf5);
}
if (dstSpatialReference != null && dstSpatialReference.IsSame(SpatialReference.GetDefault()))
{
if (rows == null && cols == null)
{
PrjEnvelope srcEnvelope = new PrjEnvelope(hdf4FileAttrs.Hdf4FileAttr.Envelope.XMin, hdf4FileAttrs.Hdf4FileAttr.Envelope.XMax, hdf4FileAttrs.Hdf4FileAttr.Envelope.YMin, hdf4FileAttrs.Hdf4FileAttr.Envelope.YMax);
PrjEnvelope outenvelpoe = new PrjEnvelope(envelopeNew.XMin, envelopeNew.XMax, envelopeNew.YMin, envelopeNew.YMax);
FilePrjSettings prjSetting = new FilePrjSettings();
prjSetting.OutEnvelope = outenvelpoe;
prjSetting.OutResolutionX = dstResolution;
prjSetting.OutResolutionY = dstResolution;
outSize = prjSetting.OutSize;
Size inSize = new Size(hdf4FileAttrs.Hdf4FileAttr.XDim, hdf4FileAttrs.Hdf4FileAttr.YDim);
float dstResoultion = dstResolution;
float srcResoultionX = (float)(hdf4FileAttrs.Hdf4FileAttr.CellWidth);
float srcResoultionY = (float)(hdf4FileAttrs.Hdf4FileAttr.CellHeight);
dataByProject = GetDataByProject <T>(dataNew, srcEnvelope, outenvelpoe, inSize, outSize, dstResoultion, srcResoultionX, srcResoultionY, fillValue, dstSpatialReference, out rows, out cols, out srcStepSize);
}
else
{
T[,] dstData = new T[outSize.Height, outSize.Width];
dataByProject = DoProject <T>(dataNew, fillValue, ref outSize, ref srcStepSize, dstData, rows, cols);
}
if (dataByProject != null)
{
dataNew = dataByProject.Data;
}
}
long[] dims = new long[rank];
dims[0] = Convert.ToInt64(outSize.Height);
dims[1] = Convert.ToInt64(outSize.Width);
H5DataSpaceId dspaceId = H5S.create_simple(rank, dims);
H5T.H5Type h5Type = Utility.GetH5Type(dtaDefinitions);
// Define datatype for the data in the file.
H5DataTypeId dtypeId = H5T.copy(h5Type);
// Create the data set DATASETNAME.
dsetId = H5D.create(fileId, sdName, dtypeId, dspaceId);
// Write the one-dimensional data set array
H5D.write(dsetId, new H5DataTypeId(h5Type), new H5Array <T>(dataNew));//H5A
HDFAttributeDef[] attributeDef5s = hdf4FileAttrs[0].DatasetsAttributeDefs[k];
foreach (HDFAttributeDef attributeDef5 in attributeDef5s)
{
WriteHdfAttributes.WriteHdfAttribute(dsetId, attributeDef5);
}
}
finally
{
// Close dataset and file.
if (dsetId != null)
{
H5D.close(dsetId);
}
if (data != null)
{
data = null;
}
if (dataNew != null)
{
dataNew = null;
}
GC.Collect();
}
}