public override void ComputeDstEnvelope(AbstractWarpDataset srcRaster, SpatialReference dstSpatialRef,
out PrjEnvelope maxPrjEnvelope, Action <int, string> progressCallback)
{
InitLocationArgs(srcRaster);
var projTrans = ProjectionTransformFactory.GetProjectionTransform(_srcSpatialRef, dstSpatialRef);
float srcResolutionX = Convert.ToSingle(_srcGeoTrans[1]);
float srcResolutionY = Math.Abs(Convert.ToSingle(_srcGeoTrans[5]));
double srcLeftTopX = _srcGeoTrans[0];
double srcLeftTopY = _srcGeoTrans[3];
int srcWidth = srcRaster.Width;
int srcHeight = srcRaster.Height;
Size srcSize = new Size(srcWidth, srcHeight);
int wSample = 1;
int hSample = 1;
if (srcWidth > 1000)
{
wSample = srcWidth / 1000;
}
if (srcHeight > 1000)
{
hSample = srcHeight / 1000;
}
double[] xs = new double[(srcWidth / wSample) * (srcHeight / hSample)];
double[] ys = new double[(srcWidth / wSample) * (srcHeight / hSample)];
int index = 0; //非真实的索引号，采样后的
for (int rowInx = 0; rowInx <= (srcHeight - hSample); rowInx += hSample)
{
for (int colInx = 0; colInx <= (srcWidth - wSample); colInx += wSample)
{
xs[index] = srcLeftTopX + colInx * srcResolutionX;
ys[index] = srcLeftTopY - rowInx * srcResolutionY;
index++;
}
}
if (dstSpatialRef.IsSame(SpatialReferenceFactory.CreateSpatialReference(4326)) == 1)
{
projTrans.Transform(xs, ys);
GeosCorrection(dstSpatialRef, xs, ys);
maxPrjEnvelope = PrjEnvelope.GetEnvelope(xs, ys, null);
}
else
{
_rasterProjector.ComputeDstEnvelope(_srcSpatialRef, xs, ys, srcSize, dstSpatialRef, out maxPrjEnvelope,
null);
}
if (_setting != null && _setting.OutEnvelope != null)
{
//求交
maxPrjEnvelope.Intersect(_setting.OutEnvelope);
}
}
public void RastAndProject <T>(Size outSize, H5T.H5Type ht5type, H5FileId fileId, string dataset, Action <int, string> progressCallback, int outWidth, int outHeight, int rowStep, IRasterDataProvider srcRaster, FilePrjSettings prjSettings, int bandnum, T fillValue, HDF5.Hdf5Operator ope)
{
T[,] data = new T[outSize.Height, outSize.Width];
// 定义数据集操作部分
long[] dims = new long[2];
dims[0] = Convert.ToInt64(outSize.Height);
dims[1] = Convert.ToInt64(outSize.Width);
H5DataSpaceId dspaceId = H5S.create_simple(2, dims);
// Define datatype for the data in the file.
H5DataTypeId dtypeId = H5T.copy(ht5type);
// Create the data set DATASETNAME.
H5DataSetId dsetId = H5D.create(fileId, dataset, dtypeId, dspaceId);
for (int oRow = 0; oRow < outHeight; oRow += rowStep)
{
#region 分块读取数据集
if (progressCallback != null)
{
percent++;
progress = percent * 100 / progressCount;
progressCallback(progress, string.Format("投影完成{0}%", progress));
}
if (oRow + rowStep > outHeight)
{
rowStep = outHeight - oRow;
}
Size outStepSize = new Size(outWidth, rowStep);
double[] xs = new double[outWidth * rowStep];
double[] ys = new double[outWidth * rowStep];
double oY = oRow * prjSettings.OutResolutionY;
Parallel.For(0, rowStep, j =>
{
double x;
double y;
int index;
y = prjSettings.OutEnvelope.LeftTop.Y - j * prjSettings.OutResolutionY - oY;
for (int i = 0; i < outWidth; i++)
{
x = prjSettings.OutEnvelope.LeftTop.Y + i * prjSettings.OutResolutionX;
index = i + j * outWidth;
xs[index] = x;
ys[index] = y;
}
});
_projectionTransform.InverTransform(xs, ys);
PrjEnvelope tEnvelope = PrjEnvelope.GetEnvelope(xs, ys, null);
tEnvelope.Extend(srcRaster.ResolutionX, srcRaster.ResolutionY * 4);
PrjEnvelope srcEnvelope = new PrjEnvelope(srcRaster.CoordEnvelope.MinX, srcRaster.CoordEnvelope.MaxX, srcRaster.CoordEnvelope.MinY, srcRaster.CoordEnvelope.MaxY);
tEnvelope = PrjEnvelope.Intersect(tEnvelope, srcEnvelope);
if (tEnvelope == null || tEnvelope.IsEmpty)
{
continue;
}
Size tSize = tEnvelope.GetSize(srcRaster.ResolutionX, srcRaster.ResolutionY);
int tBeginRow = -1, tEndRow = -1, tBeginCol = -1, tEndCol = -1;
int oBeginRow = -1, oEndRow = -1, oBeginCol = -1, oEndCol = -1;
PrjBlockHelper.ComputeBeginEndRowCol(srcEnvelope, new Size(srcRaster.Width, srcRaster.Height), tEnvelope, tSize,
ref oBeginRow, ref oBeginCol, ref oEndRow, ref oEndCol,
ref tBeginRow, ref tBeginCol, ref tEndRow, ref tEndCol);
int srcStepWidth = oEndCol - oBeginCol;
int srcStepHeight = oEndRow - oBeginRow;
Size srcStepSize = new Size(srcStepWidth, srcStepHeight);
T[] srcBandData = new T[srcStepWidth * srcStepHeight];
T[] dstBandData = new T[outWidth * rowStep];
double srcStepLeftTopX = tEnvelope.MinX;
double srcStepLeftTopY = tEnvelope.MaxY;
double srcStepRightBottomX = tEnvelope.MaxX;
double srcStepRightBottomY = tEnvelope.MinY;
UInt16[] rows = new UInt16[outWidth * rowStep]; //正向查找表
UInt16[] cols = new UInt16[outWidth * rowStep]; //正向查找表
if (progressCallback != null)
{
percent++;
progress = percent * 100 / progressCount;
progressCallback(progress, string.Format("投影完成{0}%", progress));
}
Parallel.For(0, rowStep, j =>
{
double x;
double y;
int index;
for (int i = 0; i < outWidth; i++)
{
index = i + j * outWidth;
x = xs[index];
y = ys[index];
if (x >= srcStepLeftTopX && x <= srcStepRightBottomX && y <= srcStepLeftTopY && y >= srcStepRightBottomY)
{
cols[index] = (UInt16)((x - srcStepLeftTopX) / srcRaster.ResolutionX + 0.5);
rows[index] = (UInt16)((srcStepLeftTopY - y) / srcRaster.ResolutionY + 0.5);
}
}
});
xs = null;
ys = null;
#endregion
//分块读取不同波段数据
ReadBandData <T>(srcBandData, bandnum, oBeginCol, oBeginRow, srcStepWidth, srcStepHeight, GetSysDataType(ht5type));
//投影不同分块的数据集
_rasterProjector.Project <T>(srcBandData, srcStepSize, rows, cols, outStepSize, dstBandData, fillValue, 0, null);
for (int i = 0; i < outStepSize.Width; i++)
{
for (int j = 0; j < outStepSize.Height; j++)
{
int index = j * outStepSize.Width + i;
data[j + oRow, i] = dstBandData[index];
}
}
rows = null;
rows = null;
srcBandData = null;
dstBandData = null;
}
H5D.write(dsetId, dtypeId, new H5Array <T>(data));
//写数据集属性
//Dictionary<string, string> dsetkeyvalue = ope.GetAttributes(dataset);
//foreach (string key in dsetkeyvalue.Keys)
//{
// string value = dsetkeyvalue[key];
// HDFAttributeDef attrdef = new HDFAttributeDef(key, typeof(string), dsetkeyvalue[key].Length, value);
// WriteHdfAttributes.WriteHdfAttribute(dsetId, attrdef);
//}
H5D.close(dsetId);
}
private void ProjectRaster <T>(IRasterDataProvider srcRaster, FilePrjSettings prjSettings, Action <int, string> progressCallback, IRasterDataProvider prdWriter, T fillValue, double dataWeight, float zoom)
{
enumDataType dataType = prdWriter.DataType;
PrjEnvelope outEnvelope = prjSettings.OutEnvelope;
float outResolutionX = prjSettings.OutResolutionX;
float outResolutionY = prjSettings.OutResolutionY;
Size outSize = prjSettings.OutSize;
int outWidth = outSize.Width;
int outHeight = outSize.Height;
int outBandCount = prjSettings.OutBandNos.Length;
if (progressCallback != null)
{
progressCallback(_readyProgress++, "投影准备");
}
int srcHeight = srcRaster.Height;
int srcWidth = srcRaster.Width;
PrjPoint outLeftTopPoint = outEnvelope.LeftTop;
float srcResolutionX = srcRaster.ResolutionX;
float srcResolutionY = srcRaster.ResolutionY;
Size srcSize = new Size(srcWidth, srcHeight);
double outLtPointX = outLeftTopPoint.X;
double outLtPointY = outLeftTopPoint.Y;
PrjEnvelope srcEnvelope = new PrjEnvelope(srcRaster.CoordEnvelope.MinX, srcRaster.CoordEnvelope.MaxX, srcRaster.CoordEnvelope.MinY, srcRaster.CoordEnvelope.MaxY);
long mem = MemoryHelper.GetAvalidPhyMemory();
#if !WIN64
mem = mem < 800 * 1024 * 1024 ? mem : 800 * 1024 * 1024;
#endif
long maxLimit = mem / (6 * 8 * 2);
int rowStep = (int)(maxLimit / outWidth);
if (rowStep == 0)
{
rowStep = 1;
}
if (rowStep > outHeight)
{
rowStep = outHeight;
}
int stepCount = (int)(Math.Ceiling((double)outHeight / rowStep));
int percent = 0;
int progress = 0;
int progressCount = outBandCount * stepCount + stepCount * 2;
for (int oRow = 0; oRow < outHeight; oRow += rowStep)
{
if (progressCallback != null)
{
percent++;
progress = percent * 100 / progressCount;
progressCallback(progress, string.Format("投影完成{0}%", progress));
}
if (oRow + rowStep > outHeight)
{
rowStep = outHeight - oRow;
}
Size outStepSize = new Size(outWidth, rowStep);
double[] xs = new double[outWidth * rowStep];
double[] ys = new double[outWidth * rowStep];
double oY = oRow * outResolutionY;
Parallel.For(0, rowStep, j =>
{
double x;
double y;
int index;
y = outLtPointY - j * outResolutionY - oY;
for (int i = 0; i < outWidth; i++)
{
x = outLtPointX + i * outResolutionX;
index = i + j * outWidth;
xs[index] = x;
ys[index] = y;
}
});
_projectionTransform.InverTransform(xs, ys);
PrjEnvelope tEnvelope = PrjEnvelope.GetEnvelope(xs, ys, null);
tEnvelope.Extend(srcResolutionX, srcResolutionY * 4);
tEnvelope = PrjEnvelope.Intersect(tEnvelope, srcEnvelope);
if (tEnvelope == null || tEnvelope.IsEmpty)
{
continue;
}
Size tSize = tEnvelope.GetSize(srcResolutionX, srcResolutionY);
int tBeginRow = -1, tEndRow = -1, tBeginCol = -1, tEndCol = -1;
int oBeginRow = -1, oEndRow = -1, oBeginCol = -1, oEndCol = -1;
PrjBlockHelper.ComputeBeginEndRowCol(srcEnvelope, srcSize, tEnvelope, tSize,
ref oBeginRow, ref oBeginCol, ref oEndRow, ref oEndCol,
ref tBeginRow, ref tBeginCol, ref tEndRow, ref tEndCol);
int srcStepWidth = oEndCol - oBeginCol;
int srcStepHeight = oEndRow - oBeginRow;
Size srcStepSize = new Size(srcStepWidth, srcStepHeight);
T[] srcBandData = new T[srcStepWidth * srcStepHeight];
T[] dstBandData = new T[outWidth * rowStep];
double srcStepLeftTopX = tEnvelope.MinX;
double srcStepLeftTopY = tEnvelope.MaxY;
double srcStepRightBottomX = tEnvelope.MaxX;
double srcStepRightBottomY = tEnvelope.MinY;
UInt16[] rows = new UInt16[outWidth * rowStep]; //正向查找表
UInt16[] cols = new UInt16[outWidth * rowStep]; //正向查找表
if (progressCallback != null)
{
percent++;
progress = percent * 100 / progressCount;
progressCallback(progress, string.Format("投影完成{0}%", progress));
}
Parallel.For(0, rowStep, j =>
{
double x;
double y;
int index;
for (int i = 0; i < outWidth; i++)
{
index = i + j * outWidth;
x = xs[index];
y = ys[index];
if (x >= srcStepLeftTopX && x <= srcStepRightBottomX && y <= srcStepLeftTopY && y >= srcStepRightBottomY)
{
cols[index] = (UInt16)((x - srcStepLeftTopX) / srcResolutionX + 0.5);
rows[index] = (UInt16)((srcStepLeftTopY - y) / srcResolutionY + 0.5);
}
}
});
xs = null;
ys = null;
for (int b = 0; b < outBandCount; b++)
{
if (progressCallback != null)
{
percent++;
progress = percent * 100 / progressCount;
progressCallback(progress, string.Format("投影完成{0}%", progress));
}
ReadBandData <T>(srcBandData, b, oBeginCol, oBeginRow, srcStepWidth, srcStepHeight, dataType);
//用于测试全图输出结果，用于查看插值的效果：
#if DebugEaseGrid
GCHandle hTe = GCHandle.Alloc(srcBandData, GCHandleType.Pinned);
try
{ Random random = new Random(12);
IntPtr bufferPtr = hTe.AddrOfPinnedObject();
Int16[] tmp = new Int16[srcBandData.Length];
for (int i = 0; i < srcBandData.Length; i++)
{
tmp[i] = (Int16)random.Next(200, 255);
}
Marshal.Copy(tmp, 0, bufferPtr, tmp.Length); }
finally
{
hTe.Free();
}
#endif
_rasterProjector.Project <T>(srcBandData, srcStepSize, rows, cols, outStepSize, dstBandData, fillValue, 0, null);
if (dataWeight == 1)
{
WriteDataToLDF <T>(prdWriter, dataType, outWidth, rowStep, oRow, dstBandData, b);
}
else
{
WriteDataToLDF <T>(prdWriter, dataType, outWidth, rowStep, oRow, dstBandData, b, dataWeight, zoom);
}
}
rows = null;
rows = null;
srcBandData = null;
dstBandData = null;
}
}
/// <summary>
///数据集投影
/// </summary>
/// <typeparam name="T">数据集类型</typeparam>
/// <param name="sourcedata">原始数据集</param>
/// <param name="srcEnvelope">原始数据集坐标范围（正弦坐标系）</param>
/// <param name="dstEnvelope">目标数据集坐标范围（品面坐标系）</param>
/// <param name="outSize">输出范围</param>
/// <param name="dstResoultion">输出分辨率</param>
/// <param name="srcResoultionX">原始数据集分辨率X</param>
/// <param name="srcResoultionY">原始数据集分辨率Y</param>
/// <returns></returns>
private static SDataByProject <T> GetDataByProject <T>(T[,] sourcedata, PrjEnvelope srcEnvelope, PrjEnvelope dstEnvelope, Size inSize,
Size outSize, float dstResoultion, float srcResoultionX, float srcResoultionY, T fillValue, ISpatialReference dstSpatialRef, out UInt16[] rows, out UInt16[] cols, out Size srcStepSize)
{
rows = null;
cols = null;
srcStepSize = Size.Empty;
IProjectionTransform _projectionTransform;
//初始化原始坐标系转化对象
//ISpatialReference dstSpatialRef = SpatialReference.GetDefault();
string proj4str = "proj4 = +proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 +b=6371007.181 +units=m +no_defs";
ISpatialReference srcSpatialRef = SpatialReference.FromProj4(proj4str);
_projectionTransform = ProjectionTransformFactory.GetProjectionTransform(srcSpatialRef, dstSpatialRef);
//坐标系转换
int rowStep = outSize.Height;
for (int oRow = 0; oRow < outSize.Height; oRow += rowStep)
{
if (oRow + rowStep > outSize.Height)
{
rowStep = outSize.Height - oRow;
}
Size outStepSize = new Size(outSize.Width, rowStep);
double[] xs = new double[outSize.Width * rowStep];
double[] ys = new double[outSize.Width * rowStep];
double oY = oRow * dstResoultion;
Parallel.For(0, rowStep, j =>
{
double x;
double y;
int index;
y = dstEnvelope.LeftTop.Y - j * dstResoultion - oY;
for (int i = 0; i < outSize.Width; i++)
{
x = dstEnvelope.LeftTop.X + i * dstResoultion;
index = i + j * outSize.Width;
xs[index] = x;
ys[index] = y;
}
});
_projectionTransform.InverTransform(xs, ys);
PrjEnvelope tEnvelope = PrjEnvelope.GetEnvelope(xs, ys, null);
tEnvelope.Extend(srcResoultionX, srcResoultionY * 4);
tEnvelope = PrjEnvelope.Intersect(tEnvelope, srcEnvelope);
if (tEnvelope == null || tEnvelope.IsEmpty)
{
continue;
}
Size tSize = tEnvelope.GetSize(srcResoultionX, srcResoultionY);
int tBeginRow = -1, tEndRow = -1, tBeginCol = -1, tEndCol = -1;
int oBeginRow = -1, oEndRow = -1, oBeginCol = -1, oEndCol = -1;
PrjBlockHelper.ComputeBeginEndRowCol(srcEnvelope, new Size(inSize.Width, inSize.Height), tEnvelope, tSize,
ref oBeginRow, ref oBeginCol, ref oEndRow, ref oEndCol,
ref tBeginRow, ref tBeginCol, ref tEndRow, ref tEndCol);
int srcStepWidth = oEndCol - oBeginCol;
int srcStepHeight = oEndRow - oBeginRow;
srcStepSize = new Size(srcStepWidth, srcStepHeight);
T[,] dstData = new T[outSize.Height, outSize.Width];
//double srcStepLeftTopX = tEnvelope.MinX;
//double srcStepLeftTopY = tEnvelope.MaxY;
//double srcStepRightBottomX = tEnvelope.MaxX;
//double srcStepRightBottomY = tEnvelope.MinY;
double srcStepLeftTopX = srcEnvelope.MinX;
double srcStepLeftTopY = srcEnvelope.MaxY;
double srcStepRightBottomX = srcEnvelope.MaxX;
double srcStepRightBottomY = srcEnvelope.MinY;
UInt16[] rowTemps = new UInt16[outSize.Width * rowStep]; //正向查找表
UInt16[] colTemps = new UInt16[outSize.Width * rowStep]; //正向查找表
Parallel.For(0, rowStep, j =>
{
double x;
double y;
int index;
for (int i = 0; i < outSize.Width; i++)
{
index = i + j * outSize.Width;
x = xs[index];
y = ys[index];
if (x >= srcStepLeftTopX && x <= srcStepRightBottomX && y <= srcStepLeftTopY && y >= srcStepRightBottomY)
{
colTemps[index] = (UInt16)((x - srcStepLeftTopX) / srcResoultionX + 0.5);
rowTemps[index] = (UInt16)((srcStepLeftTopY - y) / srcResoultionY + 0.5);
}
}
});
rows = rowTemps;
cols = colTemps;
return(DoProject <T>(sourcedata, fillValue, ref outStepSize, ref srcStepSize, dstData, rows, cols));
}
return(null);
}
// 2
private void ProjectRaster(AbstractWarpDataset srcRaster, FilePrjSettings prjSettings,
AbstractWarpDataset prdWriter, Action <int, string> progressCallback, UInt16 fillValue, int beginBandIndex,
double dataWeight, float zoom)
{
var timer = System.Diagnostics.Stopwatch.StartNew();
//输出数据类型
float outResolutionX = prjSettings.OutResolutionX;
float outResolutionY = prjSettings.OutResolutionY;
Size outSize = prjSettings.OutSize;
int outWidth = outSize.Width;
int outHeight = outSize.Height;
int outBandCount = prjSettings.OutBandNos.Length;
if (progressCallback != null)
{
progressCallback(_readyProgress++, "投影准备");
}
int srcHeight = srcRaster.Height;
int srcWidth = srcRaster.Width;
PrjPoint outLeftTopPoint = prjSettings.OutEnvelope.LeftTop;
//源数据的分辨率
float srcResolutionX = Convert.ToSingle(_srcGeoTrans[1]);
float srcResolutionY = Math.Abs(Convert.ToSingle(_srcGeoTrans[5]));
//输入数据的大小
Size srcSize = new Size()
{
Width = srcWidth, Height = srcHeight
};
//输出数据的左上角地理坐标
double outLtPointX = outLeftTopPoint.X;
double outLtPointY = outLeftTopPoint.Y;
//输入数据源的坐标范围
PrjEnvelope srcEnvelope = new PrjEnvelope(_srcGeoTrans[0], _srcGeoTrans[0] + srcWidth * _srcGeoTrans[1],
_srcGeoTrans[3] + srcHeight * _srcGeoTrans[5], _srcGeoTrans[3], _srcSpatialRef);
ulong mem = MemoryHelper.GetAvalidPhyMemory();
mem = mem > 10.0 * 1024 * 1024 * 1024 ? Convert.ToUInt64(10.0 * 1024 * 1024 * 1024) : mem;
ulong maxLimit = mem / (6 * 8);
int rowStep = (int)(maxLimit / (UInt32)outWidth);
if (rowStep == 0)
{
rowStep = 1;
}
if (rowStep > outHeight)
{
rowStep = outHeight;
}
int stepCount = (int)(Math.Ceiling((double)outHeight / rowStep));
int percent = 0;
int progress = 0;
int progressCount = outBandCount * stepCount + stepCount * 2;
long stepGeolocationTime = 0,
stepReadDataTime = 0,
stepRadiationTime = 0,
stepProjectRasterTime = 0,
stepWriteDataTime = 0;
for (int oRow = 0; oRow < outHeight; oRow += rowStep)
{
if (progressCallback != null)
{
percent++;
progress = percent * 100 / progressCount;
progressCallback(progress, string.Format("投影完成{0}%", progress));
}
if (oRow + rowStep > outHeight)
{
rowStep = outHeight - oRow;
}
//经纬度数据
double[] xs, ys;
UInt16[] rows, cols;
try
{
xs = new double[outWidth * rowStep];
ys = new double[outWidth * rowStep];
rows = new UInt16[outWidth * rowStep];
cols = new UInt16[outWidth * rowStep];
}
catch (Exception ex)
{
throw;
}
Size srcStepSize = new Size();
Block oBlock, tBlock;
timer.Restart();
#region 初始化查找表
{
double oY = oRow * outResolutionY;
Parallel.For(0, rowStep, j =>
{
double x;
double y;
int index;
y = outLtPointY - j * outResolutionY - oY;
for (int i = 0; i < outWidth; i++)
{
x = outLtPointX + i * outResolutionX;
index = i + j * outWidth;
xs[index] = x;
ys[index] = y;
}
});
GeosInverCorrection(_dstSpatialRef, xs, ys);
_projectionTransform.InverTransform(xs, ys);
PrjEnvelope tEnvelope = PrjEnvelope.GetEnvelope(xs, ys, null);
tEnvelope.Extend(srcResolutionX, srcResolutionY * 4);
tEnvelope = PrjEnvelope.Intersect(tEnvelope, srcEnvelope);
if (tEnvelope == null || tEnvelope.IsEmpty)
{
continue;
}
Size tSize = tEnvelope.GetSize(srcResolutionX, srcResolutionY);
PrjBlockHelper.ComputeBlock(srcEnvelope, srcSize, tEnvelope, tSize, out oBlock, out tBlock);
int srcStepWidth = oBlock.xEnd - oBlock.xBegin;
int srcStepHeight = oBlock.yEnd - oBlock.yBegin;
srcStepSize = new Size(srcStepWidth, srcStepHeight);
double srcStepLeftTopX = tEnvelope.MinX;
double srcStepLeftTopY = tEnvelope.MaxY;
double srcStepRightBottomX = tEnvelope.MaxX;
double srcStepRightBottomY = tEnvelope.MinY;
if (progressCallback != null)
{
percent++;
progress = percent * 100 / progressCount;
}
Parallel.For(0, rowStep, j =>
{
double x;
double y;
int index;
for (int i = 0; i < outWidth; i++)
{
index = i + j * outWidth;
x = xs[index];
y = ys[index];
if (x >= srcStepLeftTopX && x <= srcStepRightBottomX && y <= srcStepLeftTopY &&
y >= srcStepRightBottomY)
{
cols[index] = (UInt16)((x - srcStepLeftTopX) / srcResolutionX + 0.5);
rows[index] = (UInt16)((srcStepLeftTopY - y) / srcResolutionY + 0.5);
}
}
});
xs = null;
ys = null;
}
#endregion
stepGeolocationTime += timer.ElapsedMilliseconds;
//输入波段数据缓冲区
UInt16[] srcBandData = new UInt16[srcStepSize.Width * srcStepSize.Height];
//输出波段数据缓冲区
UInt16[] dstBandData = new UInt16[outWidth * rowStep];
//逐波段写入数据
for (int b = beginBandIndex; b < outBandCount + beginBandIndex; b++)
{
if (progressCallback != null)
{
percent++;
progress = percent * 100 / progressCount;
}
var bandNum = b - beginBandIndex;
timer.Restart();
ReadBandData <UInt16>(srcBandData, bandNum, oBlock.xBegin, oBlock.yBegin, srcStepSize.Width,
srcStepSize.Height, DataType.GDT_UInt16);
stepReadDataTime += timer.ElapsedMilliseconds;
Size srcBlockSize = new Size(srcStepSize.Width, srcStepSize.Height);
//进行辐射定标
timer.Restart();
DoRadiation(srcRaster, bandNum, srcBandData, null, srcBlockSize, srcBlockSize);
stepRadiationTime += timer.ElapsedMilliseconds;
//用于测试全图输出结果，用于查看插值的效果：
#if DebugEaseGrid
GCHandle hTe = GCHandle.Alloc(srcBandData, GCHandleType.Pinned);
try
{ Random random = new Random(12);
IntPtr bufferPtr = hTe.AddrOfPinnedObject();
Int16[] tmp = new Int16[srcBandData.Length];
for (int i = 0; i < srcBandData.Length; i++)
{
tmp[i] = (Int16)random.Next(200, 255);
}
Marshal.Copy(tmp, 0, bufferPtr, tmp.Length); }
finally
{
hTe.Free();
}
#endif
//Size outStepSize = new Size(outWidth, rowStep);
timer.Restart();
_rasterProjector.Project <UInt16>(srcBandData, srcStepSize, rows, cols, new Size(outWidth, rowStep),
dstBandData, fillValue, 0, null);
stepProjectRasterTime += timer.ElapsedMilliseconds;
timer.Restart();
if (dataWeight == 1)
{
WriteDataToLDF <UInt16>(prdWriter, DataType.GDT_UInt16, outWidth, rowStep, oRow, dstBandData, b);
}
else
{
WriteDataToLDF <UInt16>(prdWriter, DataType.GDT_UInt16, outWidth, rowStep, oRow, dstBandData, b,
dataWeight, zoom);
}
stepWriteDataTime += timer.ElapsedMilliseconds;
}
rows = null;
rows = null;
srcBandData = null;
dstBandData = null;
}
Console.WriteLine($"坐标投影转换：{stepGeolocationTime}ms");
Console.WriteLine($"读取波段数据：{stepReadDataTime}ms");
Console.WriteLine($"定标波段数据：{stepRadiationTime}ms");
Console.WriteLine($"投影波段数据：{stepProjectRasterTime}ms");
Console.WriteLine($"写入波段数据：{stepWriteDataTime}ms");
}
public string[] FilesSVDStatAOI(string[] filesL, int bandNumL, string[] fillvalueL, string[] filesR, int bandNumR, string[] fillvalueR, double leftRatio, double rightRatio, string outDir, Action <int, string> progressCallback, bool LisMicaps = false, bool RisMicaps = false)
{
if (!Directory.Exists(outDir))
{
Directory.CreateDirectory(outDir);
}
if (StatRegionSet.UseVectorAOIRegion)//使用自定义区域
{
PrjEnvelope RegionEnv = null;
string regionName = "all";
int outaoiwidthL, outaoiheightL, outaoiwidthR, outaoiheightR;
int[] outaoiIndexL, outaoiIndexR;
if (StatRegionSet.UseVectorAOIRegion)
{
RegionEnv = StatRegionSet.AOIPrjEnvelope;
_aoiContainer = StatRegionSet.AoiContainer;
regionName = StatRegionSet.AOIName;
}
PrjEnvelope dstleftPrj, dstrightPrj, dstPrjEnv;
float reslxL, reslyL, reslxR, reslyR;
int[] dataPosL, dataPosR;
if (!CheckRegionIntersect(filesL[0], RegionEnv, out dstleftPrj, out reslxL, out reslyL, out dataPosL))
{
throw new ArgumentException("设置的区域没有可分析的左场数据!");
}
if (!CheckRegionIntersect(filesR[0], RegionEnv, out dstrightPrj, out reslxR, out reslyR, out dataPosR))
{
throw new ArgumentException("设置的区域没有可分析的右场数据!");
}
dstPrjEnv = PrjEnvelope.Intersect(dstleftPrj, dstrightPrj);
if (dstPrjEnv == null || dstPrjEnv.Height == 0 || dstPrjEnv.Width == 0)
{
throw new ArgumentException("左右场的AOI区域无交集，无法进行统计分析!");
}
if (progressCallback != null)
{
progressCallback(0, "开始读取左场数据...");
}
CoordEnvelope subFileEnv = new CoordEnvelope(dstleftPrj.MinX, dstleftPrj.MaxX, dstleftPrj.MinY, dstleftPrj.MaxY);
StatRegionSet.SubRegionEnvLeft = subFileEnv;
if (leftRatio < 1)
{
leftRatio = 1;
}
Size subAOISize = new Size(dataPosL[2], dataPosL[3]); //AOI外包矩形在file中的大小
outaoiwidthL = (int)(subAOISize.Width / leftRatio); //AOI外包矩形的输出列数
outaoiheightL = (int)(subAOISize.Height / leftRatio); //AOI外包矩形的输出行数
Size outAOISize = new Size(outaoiwidthL, outaoiheightL); //输出文件的大小
outaoiIndexL = GetAOI(subFileEnv, _aoiContainer, outAOISize); //AOI在输出文件中的Index
if (outaoiIndexL == null || outaoiIndexL.Length <= 0)
{
throw new ArgumentException("左场重采样AOI区域为空！");
}
StatRegionSet.SubRegionOutSizeLeft = outAOISize;
StatRegionSet.SubRegionOutIndexLeft = outaoiIndexL;
double[,] marixL = GetTimeSeriesResampledDataFromSubRegionOutIndex(filesL, bandNumL, fillvalueL, outaoiIndexL, dataPosL, outAOISize);
Size leftSize = new Size(marixL.GetLength(1), marixL.GetLength(0)); //左场数据大小
if (progressCallback != null)
{
progressCallback(5, "开始读取右场数据...");
}
subFileEnv = new CoordEnvelope(dstrightPrj.MinX, dstrightPrj.MaxX, dstrightPrj.MinY, dstrightPrj.MaxY);
StatRegionSet.SubRegionEnvRight = subFileEnv;
if (rightRatio < 1)
{
rightRatio = 1;
}
subAOISize = new Size(dataPosR[2], dataPosR[3]); //AOI外包矩形在file中的大小
outaoiwidthR = (int)(subAOISize.Width / rightRatio); //AOI外包矩形的输出列数
outaoiheightR = (int)(subAOISize.Height / rightRatio); //AOI外包矩形的输出行数
outAOISize = new Size(outaoiwidthR, outaoiheightR); //输出文件的大小
outaoiIndexR = GetAOI(subFileEnv, _aoiContainer, outAOISize); //AOI在输出文件中的Index
if (outaoiIndexR == null || outaoiIndexR.Length <= 0)
{
throw new ArgumentException("右场重采样AOI区域为空！");
}
StatRegionSet.SubRegionOutSizeRight = outAOISize;
StatRegionSet.SubRegionOutIndexRight = outaoiIndexR;
double[,] marixr = GetTimeSeriesResampledDataFromSubRegionOutIndex(filesL, bandNumL, fillvalueL, outaoiIndexL, dataPosL, outAOISize);
Size rightSize = new Size(marixr.GetLength(1), marixr.GetLength(0)); //右场数据大小
if (progressCallback != null)
{
progressCallback(15, "完成数据采样及标准化,开始矩阵计算...");
}
CloudParaStat stat = new CloudParaStat();
return(stat.AlglibSVDWithAOI(marixL, marixr, outDir, filesL[0], leftSize, rightSize, progressCallback));
}
return(null);
}
