public void ResetOffset()
{
double XMin = double.MaxValue;
double YMin = double.MaxValue;
double XMax = double.MinValue;
double YMax = double.MinValue;
foreach (Hdf4FileAttr fileAttr in this)
{
SEnvelope envelope = fileAttr.Envelope;
if (XMin > envelope.XMin)
{
XMin = envelope.XMin;
}
if (YMin > envelope.YMin)
{
YMin = envelope.YMin;
}
if (XMax < envelope.XMax)
{
XMax = envelope.XMax;
}
if (YMax < envelope.YMax)
{
YMax = envelope.YMax;
}
}
SEnvelope envelopef4 = Hdf4FileAttr.Envelope;
envelopef4.XMin = XMin;
envelopef4.YMin = YMin;
envelopef4.XMax = XMax;
envelopef4.YMax = YMax;
RefreshPointString(envelopef4);
foreach (Hdf4FileAttr fileAttr in this)
{
fileAttr.Offset(envelopef4);
}
double dx = envelopef4.Width;
double dxcell = Math.Round(dx / Hdf4FileAttr.CellWidth);
Hdf4FileAttr.XDim = Convert.ToInt32(dxcell);
XDimNew = string.Format("XDim={0}", Hdf4FileAttr.XDim);
double dy = envelopef4.Height;
double dycell = Math.Round(dy / Hdf4FileAttr.CellHeight);
Hdf4FileAttr.YDim = Convert.ToInt32(dycell);
YDimNew = string.Format("YDim={0}", Hdf4FileAttr.YDim);
}
public static void DoConvertHdf4To5(SHdf4To5 hdf4To5, Hdf4FileAttrs hdf4FileAttrs, PrjEnvelope outenvelope,
float dstResolution, ISpatialReference dstSpatialReference)
{
SEnvelope tempse = new SEnvelope();
tempse.XMin = outenvelope.MinX;
tempse.XMax = outenvelope.MaxX;
tempse.YMin = outenvelope.MinY;
tempse.YMax = outenvelope.MaxY;
Action <string, int, int> messageAction = hdf4To5.MessageAction;
ConvertHdf4To5(hdf4FileAttrs, hdf4To5.Hdf5Name, messageAction, tempse, dstResolution, dstSpatialReference);
hdf4FileAttrs.Dispose();
}
public void AddHdf4File(string f4Name)
{
var hdf4FileAttr = new Hdf4FileAttr(f4Name);
Add(hdf4FileAttr);
if (Hdf4FileAttr == null)
{
Hdf4FileAttr = hdf4FileAttr.Clone();
SEnvelope envelope = Hdf4FileAttr.Envelope;
UpperLeftPointOld = GetUpperLeftPointString(envelope);
LowerRightPointOld = GetLowerRightPointString(envelope);
XDimOld = string.Format("XDim={0}", Hdf4FileAttr.XDim);
YDimOld = string.Format("YDim={0}", Hdf4FileAttr.YDim);
}
}
/// <summary>
/// 计算偏移
/// </summary>
/// <param name="parentXMin">计算拼接的父窗口x最小值</param>
/// <param name="parentYMin">计算拼接的父窗口y最小值</param>
/// <param name="parentXMax">计算拼接的父窗口x最大值</param>
/// <param name="parentYMax">计算拼接的父窗口y最大值</param>
//public void Offset(double parentXMin, double parentYMin, double parentXMax, double parentYMax)
public void Offset(SEnvelope parentEnvelope)
{
//double dx = XMin - parentXMin;
double dx = Envelope.XMin - parentEnvelope.XMin;
double dxcell = Math.Round(dx / CellWidth);
XOffset = Convert.ToInt32(dxcell);
//double dy = YMin - parentYMin;
//double dycell = Math.Round(dy / CellHeight);
//YOffset = Convert.ToInt32(dycell);
//double dy = parentYMax - YMax;
double dy = parentEnvelope.YMax - Envelope.YMax;
double dycell = Math.Round(dy / CellHeight);
YOffset = Convert.ToInt32(dycell);
}
private static void ConvertHdf4To5BySds(Hdf4FileAttrs hdf4FileAttrs, Action <string, int, int> messageAction, int k, int nyf5, int nxf5,
int rank, H5FileId fileId, SEnvelope envelopeNew, float dstResolution, ISpatialReference dstSpatialReference, ref UInt16[] rows, ref UInt16[] cols, ref Size srcStepSize, ref Size outSize)
{
var dataField = hdf4FileAttrs.Hdf4FileAttr.DataFields[k];
string sdName = dataField.DataFieldName;
string dataType = dataField.DataType;
HDF4Helper.DataTypeDefinitions dtaDefinitions = Utility.EnumParse(dataType,
HDF4Helper.DataTypeDefinitions.DFNT_UINT16);
Type type = Utility.GetDataType(dtaDefinitions);
if (type == typeof(byte))
{
ConvertHdf4To5BySds <byte>(hdf4FileAttrs, nyf5, nxf5, k, rank, fileId, sdName, dtaDefinitions, messageAction, envelopeNew, 0, dstResolution, dstSpatialReference, ref rows, ref cols, ref srcStepSize, ref outSize);
}
else if (type == typeof(char))
{
ConvertHdf4To5BySds <char>(hdf4FileAttrs, nyf5, nxf5, k, rank, fileId, sdName, dtaDefinitions, messageAction, envelopeNew, '0', dstResolution, dstSpatialReference, ref rows, ref cols, ref srcStepSize, ref outSize);
}
else if (type == typeof(double))
{
ConvertHdf4To5BySds <double>(hdf4FileAttrs, nyf5, nxf5, k, rank, fileId, sdName, dtaDefinitions, messageAction, envelopeNew, 0, dstResolution, dstSpatialReference, ref rows, ref cols, ref srcStepSize, ref outSize);
}
else if (type == typeof(short))
{
ConvertHdf4To5BySds <short>(hdf4FileAttrs, nyf5, nxf5, k, rank, fileId, sdName, dtaDefinitions, messageAction, envelopeNew, 0, dstResolution, dstSpatialReference, ref rows, ref cols, ref srcStepSize, ref outSize);
}
else if (type == typeof(ushort))
{
ConvertHdf4To5BySds <ushort>(hdf4FileAttrs, nyf5, nxf5, k, rank, fileId, sdName, dtaDefinitions, messageAction, envelopeNew, 0, dstResolution, dstSpatialReference, ref rows, ref cols, ref srcStepSize, ref outSize);
}
else if (type == typeof(long))
{
ConvertHdf4To5BySds <long>(hdf4FileAttrs, nyf5, nxf5, k, rank, fileId, sdName, dtaDefinitions, messageAction, envelopeNew, 0, dstResolution, dstSpatialReference, ref rows, ref cols, ref srcStepSize, ref outSize);
}
else if (type == typeof(float))
{
ConvertHdf4To5BySds <float>(hdf4FileAttrs, nyf5, nxf5, k, rank, fileId, sdName, dtaDefinitions, messageAction, envelopeNew, 0, dstResolution, dstSpatialReference, ref rows, ref cols, ref srcStepSize, ref outSize);
}
else //(type == typeof(int))
{
ConvertHdf4To5BySds <int>(hdf4FileAttrs, nyf5, nxf5, k, rank, fileId, sdName, dtaDefinitions, messageAction, envelopeNew, 0, dstResolution, dstSpatialReference, ref rows, ref cols, ref srcStepSize, ref outSize);
}
}
private Dictionary <string, PrjEnvelope> GetSrcFiles(Dictionary <string, PrjEnvelope> MosaicFiles, FileListItem[] fli)
{
Dictionary <string, PrjEnvelope> srcFiles = new Dictionary <string, PrjEnvelope>();
if (ckGCTPChina.Checked)
{
srcFiles = MosaicFiles;
}
else
{
foreach (FileListItem filename in fli)
{
SHdf4To5 shdf4To5 = new SHdf4To5(new string[] { filename.FileName }, filename.FileName);
Hdf4FileAttrs hdf4FileAttrs = UtilHdf4To5.PreConvertHdf4To5(shdf4To5);
SEnvelope envelopef4 = hdf4FileAttrs.Hdf4FileAttr.Envelope;
srcFiles.Add(filename.FileName, new PrjEnvelope(envelopef4.XMin, envelopef4.XMax, envelopef4.YMin, envelopef4.YMax));
}
}
return(srcFiles.Count == 0 ? null : srcFiles);
}
private static void ConvertHdf4To5(Hdf4FileAttrs hdf4FileAttrs, string f5name,
Action <string, int, int> messageAction, SEnvelope outenvelope, float dstResolution,
ISpatialReference dstSpatialReference)
{
try
{
// Create a new file using H5F_ACC_TRUNC access,
// default file creation properties, and default file
// access properties.
H5FileId fileId = H5F.create(f5name, H5F.CreateMode.ACC_TRUNC);
int nxf5 = hdf4FileAttrs.Hdf4FileAttr.XDim;
int nyf5 = hdf4FileAttrs.Hdf4FileAttr.YDim;
int rank = 2;
//测试读取的科学数据集及其属性
int sdscount = hdf4FileAttrs.Hdf4FileAttr.DataFields.Count;
SEnvelope envelopeNew = null;
UInt16[] rows = null; //正向查找表
UInt16[] cols = null; //正向查找表
Size srcStepSize = Size.Empty;
Size outSize = Size.Empty;
try
{
for (int k = 0; k < sdscount; k++)
{
ConvertHdf4To5BySds(hdf4FileAttrs, messageAction, k, nyf5, nxf5, rank, fileId, outenvelope, dstResolution, dstSpatialReference, ref rows, ref cols, ref srcStepSize, ref outSize);
if (envelopeNew == null && dstSpatialReference != null && outenvelope != null)
{
envelopeNew = outenvelope;
}
}
if (envelopeNew != null)
{
hdf4FileAttrs.RefreshPointString(envelopeNew);
}
}
finally
{
rows = null;
cols = null;
srcStepSize = Size.Empty;
GC.Collect();
}
HDFAttributeDef[] attributeDef5s = hdf4FileAttrs.GetHDFAttributeDefs();
List <HDFAttributeDef> updateFileAttrs = new List <HDFAttributeDef>();
updateFileAttrs.AddRange(attributeDef5s);
if (dstSpatialReference != null && dstSpatialReference.IsSame(SpatialReference.GetDefault()))
{
//投影信息
string projtype = "Geopraphic Latitude longtitude";
HDFAttributeDef projecttype = new HDFAttributeDef("Projection Type", typeof(string), projtype.Length, projtype);
updateFileAttrs.Add(projecttype);
//写四角坐标信息
HDFAttributeDef lefttopY = new HDFAttributeDef("Left-Top Latitude", typeof(float), 1, new float[] { (float)outenvelope.YMax });
updateFileAttrs.Add(lefttopY);
HDFAttributeDef lefttopX = new HDFAttributeDef("Left-Top Longtitude", typeof(float), 1, new float[] { (float)outenvelope.XMin });
updateFileAttrs.Add(lefttopX);
HDFAttributeDef boottomrightY = new HDFAttributeDef("Bottom-Right Latitude", typeof(float), 1, new float[] { (float)outenvelope.YMin });
updateFileAttrs.Add(boottomrightY);
HDFAttributeDef boottomrightX = new HDFAttributeDef("Bottom-Right Longtitude", typeof(float), 1, new float[] { (float)outenvelope.XMax });
updateFileAttrs.Add(boottomrightX);
HDFAttributeDef xResolution = new HDFAttributeDef("Longtitude Resolution", typeof(float), 1, new float[] { (float)dstResolution });
updateFileAttrs.Add(xResolution);
HDFAttributeDef yResolution = new HDFAttributeDef("Latitude Resolution", typeof(float), 1, new float[] { (float)dstResolution });
updateFileAttrs.Add(yResolution);
}
foreach (HDFAttributeDef attributeDef5 in updateFileAttrs)
{
WriteHdfAttributes.WriteHdfAttribute(fileId, attributeDef5);
}
H5F.close(fileId);
}
catch (Exception ex)
{
throw new Exception("拼接Hdf4时出错，具体信息：" + ex.Message, ex);
}
}
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();
}
}
private string GetLowerRightPointString(SEnvelope envelope)
{
return(string.Format("LowerRightMtrs=({0},{1})", envelope.XMax.ToString("0.000000"), envelope.YMin.ToString("0.000000")));
}
private string GetUpperLeftPointString(SEnvelope envelope)
{
return(string.Format("UpperLeftPointMtrs=({0},{1})", envelope.XMin.ToString("0.000000"), envelope.YMax.ToString("0.000000")));
}
public void RefreshPointString(SEnvelope envelope)
{
UpperLeftPointNew = GetUpperLeftPointString(envelope);
LowerRightPointNew = GetLowerRightPointString(envelope);
}
private void GetAttr(Pair pair)
{
GridName = pair.GetAttrValue("GridName");
string xdimStr = pair.GetAttrValue("XDim");
int xdim = 0;
if (int.TryParse(xdimStr, out xdim))
{
XDim = xdim;
}
string ydimStr = pair.GetAttrValue("YDim");
int ydim = 0;
if (int.TryParse(ydimStr, out ydim))
{
YDim = ydim;
}
Envelope = new SEnvelope();
string upperLeftPointMtrs = pair.GetAttrValue("UpperLeftPointMtrs");
string[] strsUL = upperLeftPointMtrs.Split(new[] { '(', ')', ',' }, StringSplitOptions.RemoveEmptyEntries);
double xmin = 0.0;
if (double.TryParse(strsUL[0], out xmin))
{
Envelope.XMin = xmin;
}
double ymax = 0.0;
if (double.TryParse(strsUL[1], out ymax))
{
Envelope.YMax = ymax;
}
string lowerRightMtrs = pair.GetAttrValue("LowerRightMtrs");
string[] strsLR = lowerRightMtrs.Split(new[] { '(', ')', ',' }, StringSplitOptions.RemoveEmptyEntries);
double xmax = 0.0;
if (double.TryParse(strsLR[0], out xmax))
{
Envelope.XMax = xmax;
}
double ymin = 0.0;
if (double.TryParse(strsLR[1], out ymin))
{
Envelope.YMin = ymin;
}
CellWidth = Envelope.Width / XDim;
CellHeight = Envelope.Height / YDim;
Projection = pair.GetAttrValue("Projection");
ProjParams = pair.GetAttrValue("ProjParams");
Pair dataFields = pair.GetGroup("DataField");
DataFields = new DataFields(dataFields);
}
