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);
}
}
/// <summary>
/// 根据给出的经纬度数据集或者投影坐标数据集，计算其是否在指定的范围内，并且计算出有效率，以及实际输出范围
/// </summary>
/// <param name="xs"></param>
/// <param name="ys"></param>
/// <param name="validEnv"></param>
/// <param name="oSpatialRef"></param>
/// <param name="tSpatialRef"></param>
/// <param name="validRate"></param>
/// <param name="outEnv"></param>
/// <returns></returns>
public bool VaildEnvelope(double[] xs, double[] ys, PrjEnvelope validEnv, SpatialReference oSpatialRef,
SpatialReference tSpatialRef, out double validRate, out PrjEnvelope outEnv)
{
if (validEnv == null || validEnv.IsEmpty)
{
throw new ArgumentNullException("validEnv", "参数[有效范围]不能为空");
}
if (tSpatialRef == null)
{
tSpatialRef = SpatialReferenceFactory.CreateSpatialReference(4326);
}
if (oSpatialRef == null)
{
oSpatialRef = SpatialReferenceFactory.CreateSpatialReference(4326);
}
using (IProjectionTransform transform =
ProjectionTransformFactory.GetProjectionTransform(oSpatialRef, tSpatialRef))
{
if (oSpatialRef.IsSame(tSpatialRef) != 1)
{
transform.Transform(xs, ys);
}
return(PrjEnvelope.HasValidEnvelope(xs, ys, validEnv, out validRate, out outEnv));
}
}
public FY3L2L3FileProjector()
: base()
{
_name = "FY3L2L3";
_fullname = "FY3L2L3轨道文件投影";
_rasterProjector = new RasterProjector();
_srcSpatialRef = SpatialReferenceFactory.CreateSpatialReference(4326);
}
public FY2_NOMProjection()
: base()
{
_name = "FY2NOM";
_fullname = "FY2_NOM数据投影";
_rasterProjector = new RasterProjector();
_srcSpatialRef = SpatialReferenceFactory.CreateSpatialReference(4326);
_supportAngles = new string[] { "NOMSatelliteZenith", "NOMSunGlintAngle", "NOMSunZenith" };
}
public FY3_VIRRFileProjector()
: base()
{
_name = "FY3_VIRR";
_fullname = "FY3_VIRR轨道文件投影";
_rasterProjector = new RasterProjector();
_srcSpatialRef = SpatialReferenceFactory.CreateSpatialReference(4326);
_supportExtBandNames = new string[] { "Height", "LandCover", "LandSeaMask" };
//_NODATA_VALUE = 65535;
}
public override void ComputeDstEnvelope(AbstractWarpDataset srcRaster, SpatialReference dstSpatialRef, out PrjEnvelope maxPrjEnvelope, Action <int, string> progressCallback)
{
if (dstSpatialRef == null || dstSpatialRef.IsGeographic() == 1)
{
maxPrjEnvelope = new PrjEnvelope(60, 150, -70, 70, SpatialReferenceFactory.CreateSpatialReference(4326));
}
else
{
maxPrjEnvelope = null;
}
}
public FY3_MERSIFileProjector()
: base()
{
_name = "FY3_MERSI";
_fullname = "FY3_MERSI轨道数据投影";
_rasterProjector = new RasterProjector();
_srcSpatialRef = SpatialReferenceFactory.CreateSpatialReference(4326);
_left = 10;
_right = 10;
//_NODATA_VALUE = 65535;
}
public FY3B_MERSIFileProjector()
: base()
{
_name = "FY3B_MERSI";
_fullname = "FY3B_MERSI轨道数据投影";
_rasterProjector = new RasterProjector();
_srcSpatialRef = SpatialReferenceFactory.CreateSpatialReference(4326);
_left = 10;
_right = 10;
_supportExtBandNames = new string[] { "DEM", "LandCover", "LandSeaMask" };
//_NODATA_VALUE = 65535;
}
private static PrjEnvelopeItem ParseEnvelope(XElement xElement)
{
if (xElement == null || xElement.Value == null)
{
return(null);
}
return(new PrjEnvelopeItem(xElement.Attribute("name").Value,
new PrjEnvelope(double.Parse(xElement.Attribute("minx").Value)
, double.Parse(xElement.Attribute("maxx").Value)
, double.Parse(xElement.Attribute("miny").Value)
, double.Parse(xElement.Attribute("maxy").Value)
, SpatialReferenceFactory.CreateSpatialReference(4326))));
}
public override void ComputeDstEnvelope(AbstractWarpDataset srcRaster, SpatialReference dstSpatialRef, out PrjEnvelope maxPrjEnvelope, Action <int, string> progressCallback)
{
if (srcRaster != null)
{
Size srcSize = new Size(srcRaster.Width, srcRaster.Height);
double[] xs, ys;
ReadyLocations(srcRaster, SpatialReferenceFactory.CreateSpatialReference(4326), dstSpatialRef, out srcSize, out xs, out ys, out maxPrjEnvelope, progressCallback);
}
else
{
maxPrjEnvelope = PrjEnvelope.Empty;
}
}
/// <summary>
/// 经度跨越180度，进行修正
/// </summary>
protected void GeosInverCorrection(SpatialReference dstSpatialRef, double[] xs, double[] ys)
{
//都是WGS84
if (dstSpatialRef.IsSame(SpatialReferenceFactory.CreateSpatialReference(4326)) == 1)
{
for (int i = 0; i < xs.Length; i++)
{
if (xs[i] > 180)
{
xs[i] = xs[i] - 360;
}
}
}
}
private SpatialReference GetSpatialReference(string projectionIdentify)
{
switch (projectionIdentify)
{
case "ABS":
//return SpatialReferenceFactory.GetSpatialReferenceByPrjFile("\\");
//return new SpatialReference(new GeographicCoordSystem(), new ProjectionCoordSystem());
return(null);
case "GLL":
default:
return(SpatialReferenceFactory.CreateSpatialReference(4326));
}
}
private void DoSession(AbstractWarpDataset srcRaster, AbstractWarpDataset geoRaster, SpatialReference dstSpatialRef, FY3_VIRR_PrjSettings prjSettings, Action <int, string> progressCallback)
{
if (_curSession == null || _curSession != srcRaster || _isBeginSession)
{
if (progressCallback != null)
{
progressCallback(_readyProgress++, "读取及预处理经纬度数据集");
}
ReadyLocations(_geoDataProvider, SpatialReferenceFactory.CreateSpatialReference(4326), dstSpatialRef, out _srcLocationSize, out _xs, out _ys, out _maxPrjEnvelope, progressCallback);
if (progressCallback != null)
{
progressCallback(_readyProgress++, "准备其他参数");
}
if (prjSettings.IsRadRef || prjSettings.IsRad)
{
ReadyRadiationArgs(srcRaster);
}
if (prjSettings.IsSolarZenith && prjSettings.IsRadRef)
{
_solarZenithCacheFilename = GetSolarZenithCacheFilename(geoRaster.fileName); //太阳天顶角数据
if (!File.Exists(_solarZenithCacheFilename))
{
ReadySolarZenithArgsToFile(geoRaster);
}
else
{
var ds = Gdal.OpenShared(_solarZenithCacheFilename, Access.GA_ReadOnly);
_solarZenithCacheRaster = new WarpDataset(ds, _solarZenithCacheFilename);
}
if (prjSettings.IsSensorZenith)
{
ReadySensorZenith(geoRaster);
}
}
_rasterDataBands = TryCreateRasterDataBands(srcRaster, prjSettings, progressCallback);
_isBeginSession = false;
}
}
private void ReadyArgs(AbstractWarpDataset srcRaster, FilePrjSettings prjSettings, SpatialReference dstSpatialRef, Action <int, string> progressCallback)
{
float resolutionScale = 1f;
_readyProgress = 0;
if (progressCallback != null)
{
progressCallback(_readyProgress++, "准备相关参数");
}
if (dstSpatialRef == null)
{
dstSpatialRef = SpatialReferenceFactory.CreateSpatialReference(4326);
}
_dstSpatialRef = dstSpatialRef;
_prjSettings = ArgsCheck(srcRaster, prjSettings, progressCallback);
//_fileType = CheckFile(srcRaster);
_locationRaster = (prjSettings as FY3L2L3FilePrjSettings).LocationFile;
ReadExtArgs(prjSettings);
TryCreateDefaultArg(srcRaster, _prjSettings, ref _dstSpatialRef);
_left = 0;
_right = 0;
TrySetLeftRightInvalidPixel(_prjSettings.ExtArgs);
DoSession(srcRaster, _dstSpatialRef, _prjSettings, progressCallback);
if (_prjSettings.OutEnvelope == null || _prjSettings.OutEnvelope == PrjEnvelope.Empty)
{
_prjSettings.OutEnvelope = _maxPrjEnvelope;
_orbitBlock = new Block {
xBegin = 0, yBegin = 0, xEnd = srcRaster.Width - 1, yEnd = srcRaster.Height - 1
};
}
else
{
GetEnvelope(_xs, _ys, _srcLocationSize.Width, _srcLocationSize.Height, _prjSettings.OutEnvelope, out _orbitBlock);
if (_orbitBlock == null || _orbitBlock.Width <= 0 || _orbitBlock.Height <= 0)
{
throw new Exception("数据不在目标区间内");
}
float invalidPresent = (_orbitBlock.Width * _orbitBlock.Height * resolutionScale) / (srcRaster.Width * srcRaster.Height);
if (invalidPresent < 0.0001f)
{
throw new Exception("数据占轨道数据比例太小,有效率" + invalidPresent * 100 + "%");
}
if (invalidPresent > 0.60f)
{
_orbitBlock = new Block {
xBegin = 0, yBegin = 0, xEnd = srcRaster.Width - 1, yEnd = srcRaster.Height - 1
}
}
;
}
_dstEnvelope = _prjSettings.OutEnvelope;
if (!_dstEnvelope.IntersectsWith(_maxPrjEnvelope))
{
throw new Exception("数据不在目标区间内");
}
_outResolutionX = _prjSettings.OutResolutionX;
_outResolutionY = _prjSettings.OutResolutionY;
_outFormat = _prjSettings.OutFormat;
_outfilename = _prjSettings.OutPathAndFileName;
_dstProj4 = _dstSpatialRef.ExportToProj4();
_dstBandCount = _rasterDataBands.Length;
//_dstBandCount = _rasterDataBands.Length;
_dstSize = _prjSettings.OutSize;
//_isRadiation = _prjSettings.IsRadiation;
//_isSolarZenith = _prjSettings.IsSolarZenith;
//_isSensorZenith = _prjSettings.IsSensorZenith;
}
protected void ProjectToLDF(Band[] srcBands, Band[] dstBands, int beginBandIndex, Action <int, string> progressCallback)
{
//progressCallback = progressCallback;
if (srcBands == null || srcBands[0].XSize == 0 || srcBands[0].YSize == 0)
{
throw new Exception("投影数据失败：无法读取源数据,或者源数据高或宽为0。");
}
Size srcImgSize = new Size(srcBands[0].XSize, srcBands[0].YSize);
Size outSize = _dstEnvelope.GetSize(_outResolutionX, _outResolutionY);
float bufferResolutionX = 0f;
float bufferResolutionY = 0f;
float outXScale = _srcImgResolution / _outResolutionX;
float outYScale = _srcImgResolution / _outResolutionY;
if (outXScale > 1.5f || outYScale > 1.5f)
{
bufferResolutionX = _srcImgResolution;
bufferResolutionY = _srcImgResolution;
}
else
{
bufferResolutionX = _outResolutionX;
bufferResolutionY = _outResolutionY;
}
int blockXCount;
int blockYCount;
int blockWidth;
int blockHeight;
//后面投影需要的内存：（double）经纬度数据、（int16）原始通道数据、（int16）投影后通道、（int16）其他（如角度数据等）
GetBlockNumber(outSize, _srcLocationSize, outXScale, outYScale, out blockXCount, out blockYCount, out blockWidth, out blockHeight);
int imgLocationRatioX = srcImgSize.Width / _srcLocationSize.Width;
int imgLocationRatioY = srcImgSize.Height / _srcLocationSize.Height;
progressCount = blockYCount * blockXCount * (_dstBandCount + (_angleBands == null ? 0 : _angleBands.Length) + (_extSrcBands == null ? 0 : _extSrcBands.Length));
progress = 0;
percent = 0;
Size bufferSize;
#region 在需要分块的情况下，采样经纬度数据集
int bC = 1;
int tmpWidth = 0;
int tmpHeight = 0;
double[] tmpxs = null;
double[] tmpys = null;
if (blockYCount * blockXCount > 1 && (_xs == null || _ys == null))
{
bC = (int)Math.Sqrt(blockXCount * blockYCount) + 1;
tmpWidth = _srcLocationSize.Width / bC;
tmpHeight = _srcLocationSize.Height / bC;
tmpxs = ReadSampleDatas(_longitudeBand, 0, 0, tmpWidth, tmpHeight);
tmpys = ReadSampleDatas(_latitudeBand, 0, 0, tmpWidth, tmpHeight);
TryApplyGeoInterceptSlope(tmpxs, tmpys);
_rasterProjector.Transform(SpatialReferenceFactory.CreateSpatialReference(4326), tmpxs, tmpys, _dstSpatialRef);
}
#endregion
for (int blockXNo = 0; blockXNo < blockXCount; blockXNo++)
{
for (int blockYNo = 0; blockYNo < blockYCount; blockYNo++)
{
//起始偏移，结束偏移
int beginX = blockWidth * blockXNo;
int beginY = blockHeight * blockYNo;
if (beginX >= outSize.Width || beginY >= outSize.Height)
{
continue;
}
if (beginX + blockWidth > outSize.Width)
{
blockWidth = outSize.Width - beginX;
}
if (beginY + blockHeight > outSize.Height)
{
blockHeight = outSize.Height - beginY;
}
//当前块的四角范围
double blockMinX = _dstEnvelope.MinX + beginX * _outResolutionX;
double blockMaxX = blockMinX + blockWidth * _outResolutionX;
double blockMaxY = _dstEnvelope.MaxY - beginY * _outResolutionY;
double blockMinY = blockMaxY - blockHeight * _outResolutionY;
PrjEnvelope blockEnvelope = new PrjEnvelope(blockMinX, blockMaxX, blockMinY, blockMaxY, _dstSpatialRef);
bufferSize = blockEnvelope.GetSize(bufferResolutionX, bufferResolutionY);
//根据当前输出块,反算出对应的源数据块(轨道)起始行列，为了减小后面需要读取的源数据大小
Block curOrbitblock = null;
//开始获取当前分块的经纬度数据集，计算轨道数据范围偏移
double[] srcBlockXs;
double[] srcBlockYs;
if (blockYCount == 1 && blockXCount == 1) //没分块的情况
{
curOrbitblock = _orbitBlock.Clone() as Block;
if (curOrbitblock.xBegin < _left)
{
curOrbitblock.xBegin = _left;
}
if (curOrbitblock.xEnd > _srcLocationSize.Width - 1 - _right)
{
curOrbitblock.xEnd = _srcLocationSize.Width - 1 - _right;
}
if (curOrbitblock.Width == _srcLocationSize.Width && curOrbitblock.Height == _srcLocationSize.Height)
{
if (_xs != null && _ys != null)
{
srcBlockXs = _xs;
srcBlockYs = _ys;
}
else
{
srcBlockXs = ReadBlockDatas(_longitudeBand, curOrbitblock.xBegin, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height);
srcBlockYs = ReadBlockDatas(_latitudeBand, curOrbitblock.xBegin, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height);
TryApplyGeoInterceptSlope(srcBlockXs, srcBlockYs);
_rasterProjector.Transform(SpatialReferenceFactory.CreateSpatialReference(4326), srcBlockXs, srcBlockYs, _dstSpatialRef);
}
}
else
{
if (_xs != null && _ys != null)
{
GetBlockDatas(_xs, _ys, _srcLocationSize.Width, _srcLocationSize.Height, curOrbitblock.xBegin, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height, out srcBlockXs, out srcBlockYs);
}
else
{
srcBlockXs = ReadBlockDatas(_longitudeBand, curOrbitblock.xBegin, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height);
srcBlockYs = ReadBlockDatas(_latitudeBand, curOrbitblock.xBegin, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height);
TryApplyGeoInterceptSlope(srcBlockXs, srcBlockYs);
_rasterProjector.Transform(SpatialReferenceFactory.CreateSpatialReference(4326), srcBlockXs, srcBlockYs, _dstSpatialRef);
}
}
}
else
{
if (_xs != null && _ys != null)
{
GetEnvelope(_xs, _ys, _srcLocationSize.Width, _srcLocationSize.Height, blockEnvelope, out curOrbitblock);
}
else
{
//计算偏移。
GetEnvelope(tmpxs, tmpys, tmpWidth, tmpHeight, blockEnvelope, out curOrbitblock);
curOrbitblock = curOrbitblock.Zoom(bC, bC);
}
if (curOrbitblock.Width <= 0 || curOrbitblock.Height <= 0) //当前分块不在图像内部
{
progress += _dstBandCount;
continue;
}
if (curOrbitblock.xBegin < _left)
{
curOrbitblock.xBegin = _left;
}
if (curOrbitblock.xEnd > _srcLocationSize.Width - 1 - _right)
{
curOrbitblock.xEnd = _srcLocationSize.Width - 1 - _right;
}
if (_xs != null && _ys != null)
{
GetBlockDatas(_xs, _ys, _srcLocationSize.Width, _srcLocationSize.Height, curOrbitblock.xBegin, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height, out srcBlockXs, out srcBlockYs);
}
else
{
srcBlockXs = ReadBlockDatas(_longitudeBand, curOrbitblock.xBegin, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height);
srcBlockYs = ReadBlockDatas(_latitudeBand, curOrbitblock.xBegin, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height);
TryApplyGeoInterceptSlope(srcBlockXs, srcBlockYs);
_rasterProjector.Transform(SpatialReferenceFactory.CreateSpatialReference(4326), srcBlockXs, srcBlockYs, _dstSpatialRef);
}
}
int srcBlockJdWidth = curOrbitblock.Width;
int srcBlockJdHeight = curOrbitblock.Height;
int srcBlockImgWidth = curOrbitblock.Width * imgLocationRatioX;
int srcBlockImgHeight = curOrbitblock.Height * imgLocationRatioY;
Size srcBlockLocationSize = new Size(srcBlockJdWidth, srcBlockJdHeight);
Size srcBlockImgSize = new Size(srcBlockImgWidth, srcBlockImgHeight);
//亮温订正，天顶角修正：下面获取用到的部分经纬度和太阳高度角修正系数数据,下面修改为从临时文件直接读取。
float[] solarZenithData = null;
if (_isRadRef && _isSolarZenith)
{
if (_solarZenithCacheRaster != null) //太阳天顶角数据
{
ReadBandData(out solarZenithData, _solarZenithCacheRaster, 1, curOrbitblock.xBegin, curOrbitblock.yBegin, srcBlockJdWidth, srcBlockJdHeight);
}
//亮温临边变暗订正,读取卫星天顶角数据。
//if (_isSensorZenith)
// ReadBandData(out _sensorZenithData, _sensorSenithBand, curOrbitblock.xOffset, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height);
TryReadZenithData(curOrbitblock.xBegin, curOrbitblock.yBegin, curOrbitblock.Width, curOrbitblock.Height);
}
//计算当前分块的投影查算表
UInt16[] dstRowLookUpTable = new UInt16[bufferSize.Width * bufferSize.Height];
UInt16[] dstColLookUpTable = new UInt16[bufferSize.Width * bufferSize.Height];
if (imgLocationRatioX == 1)
{
_rasterProjector.ComputeIndexMapTable(srcBlockXs, srcBlockYs, srcBlockImgSize, bufferSize, blockEnvelope, _maxPrjEnvelope,
out dstRowLookUpTable, out dstColLookUpTable, null);
}
else
{
_rasterProjector.ComputeIndexMapTable(srcBlockXs, srcBlockYs, srcBlockLocationSize, srcBlockImgSize, bufferSize, blockEnvelope, //_maxPrjEnvelope,
out dstRowLookUpTable, out dstColLookUpTable, null, 0);
}
//执行投影
UInt16[] srcBandData = null;
UInt16[] dstBandData = new UInt16[bufferSize.Width * bufferSize.Height];
for (int i = 0; i < srcBands.Length; i++) //读取原始通道值，投影到目标区域
{
if (progressCallback != null)
{
progress++;
percent = (int)(progress * 100 / progressCount);
progressCallback(percent, string.Format("投影完成{0}%", percent));
}
ReadImgBand(srcBands[i], curOrbitblock.xBegin * imgLocationRatioX, curOrbitblock.yBegin * imgLocationRatioY, srcBlockImgWidth, srcBlockImgHeight,
new Size(srcBlockImgWidth, srcBlockImgHeight), out srcBandData);
//ReadImgBand(out srcBandData, i, curOrbitblock.xOffset * imgLocationRatioX, curOrbitblock.yBegin * imgLocationRatioY, srcBlockImgWidth, srcBlockImgHeight);
Size angleSize = new Size(srcBlockJdWidth, srcBlockJdHeight);
DoRadiation(srcBands[i], srcBandData, solarZenithData, srcBlockImgSize, angleSize);
_rasterProjector.Project <UInt16>(srcBandData, srcBlockImgSize, dstRowLookUpTable, dstColLookUpTable, bufferSize, dstBandData, 0, null);
srcBandData = null;
Band band = dstBands[i];
unsafe
{
fixed(UInt16 *ptr = dstBandData)
{
IntPtr bufferPtr = new IntPtr(ptr);
int blockOffsetY = blockHeight * blockYNo;
int blockOffsetX = blockWidth * blockXNo;
band.WriteRaster(blockOffsetX, blockOffsetY, blockWidth, blockHeight, bufferPtr, bufferSize.Width, bufferSize.Height, DataType.GDT_UInt16, 0, 0);
}
}
}
srcBandData = null;
dstBandData = null;
GC.Collect();
ReleaseZenithData();
Size srcBufferSize = new Size(srcBlockImgWidth, srcBlockImgHeight);
ProjectAngle(bufferSize, srcBufferSize, blockWidth, blockHeight, blockYNo, blockXNo, curOrbitblock, dstRowLookUpTable, dstColLookUpTable, progressCallback);
ProjectExtBands(bufferSize, srcBufferSize, blockWidth, blockHeight, blockYNo, blockXNo, curOrbitblock, dstRowLookUpTable, dstColLookUpTable, progressCallback);
dstRowLookUpTable = null;
dstColLookUpTable = null;
}
}
}
private static PrjEnvelopeItem[] ParseEnvelopes(XElement xElement)
{
if (xElement == null || xElement.Elements("Envelope") == null)
{
return(null);
}
IEnumerable <PrjEnvelopeItem> prjs = from item in xElement.Elements("Envelope")
select new PrjEnvelopeItem(item.Attribute("name").Value,
new PrjEnvelope(double.Parse(item.Attribute("minx").Value)
, double.Parse(item.Attribute("minx").Value)
, double.Parse(item.Attribute("minx").Value)
, double.Parse(item.Attribute("minx").Value)
, SpatialReferenceFactory.CreateSpatialReference(4326)));
return(prjs.ToArray());
}
private void ReadyArgs(AbstractWarpDataset srcRaster, FilePrjSettings prjSettings, SpatialReference dstSpatialRef, Action <int, string> progressCallback)
{
float resolutionScale = 1f;
_readyProgress = 0;
if (progressCallback != null)
{
progressCallback(_readyProgress++, "准备相关参数");
}
_prjSettings = ArgsCheck(srcRaster, prjSettings);
_geoDataProvider = _prjSettings.GeoFile;
CheckIs0250(srcRaster);
_dstSpatialRef = dstSpatialRef;
switch (_dataType)
{
case "1KM":
//整轨投影时候去除左右锯齿，分块投影不需要
_left = 10;
_right = 10;
if (_prjSettings.OutEnvelope == null || _prjSettings.OutEnvelope == PrjEnvelope.Empty) //整轨投影时做限制
{
MemoryHelper.MemoryNeed(500, 1536);
}
else
{
MemoryHelper.MemoryNeed(400, 1536); //剩余900MB,已使用1.2GB
}
//_angleDataProvider = srcRaster;
TryCreateDefaultArgs(srcRaster, _prjSettings, ref _dstSpatialRef);
TrySetLeftRightInvalidPixel(_prjSettings.ExtArgs);
DoSession(srcRaster, _geoDataProvider, _dstSpatialRef, _prjSettings, progressCallback);
break;
case "QKM":
resolutionScale = 4f;
_left = 20;
_right = 20;
if (_prjSettings.OutEnvelope == null || _prjSettings.OutEnvelope == PrjEnvelope.Empty)
{
MemoryHelper.MemoryNeed(800, 1280); //整幅投影对内存做限制，系统剩余内存不低于A参数MB，应用程序已使用内存不超过B参数MB
}
else
{
MemoryHelper.MemoryNeed(600, 1280); //剩余900MB,最大已使用1.2GB
}
//_angleDataProvider = _prjSettings.SecondaryOrbitRaster;
TryCreate0250DefaultArgs(srcRaster, _prjSettings, ref _dstSpatialRef);
TrySetLeftRightInvalidPixel(_prjSettings.ExtArgs);
DoSession(srcRaster, _geoDataProvider, _dstSpatialRef, _prjSettings, progressCallback);
break;
default:
break;
}
if (_prjSettings.OutEnvelope == null || _prjSettings.OutEnvelope == PrjEnvelope.Empty)
{
_prjSettings.OutEnvelope = _maxPrjEnvelope;
_orbitBlock = new Block {
xBegin = 0, yBegin = 0, xEnd = _srcLocationSize.Width - 1, yEnd = _srcLocationSize.Height - 1
};
}
else
{
if (_xs != null && _ys != null)
{
GetEnvelope(_xs, _ys, _srcLocationSize.Width, _srcLocationSize.Height, _prjSettings.OutEnvelope, out _orbitBlock);
}
else
{
int bC = 8;
int tmpWidth = 0;
int tmpHeight = 0;
double[] tmpxs = null;
double[] tmpys = null;
//8024，8000
tmpWidth = _srcLocationSize.Width / bC;
tmpHeight = _srcLocationSize.Height / bC;
tmpxs = ReadSampleDatas(_longitudeBand, 0, 0, tmpWidth, tmpHeight);
tmpys = ReadSampleDatas(_latitudeBand, 0, 0, tmpWidth, tmpHeight);
_rasterProjector.Transform(SpatialReferenceFactory.CreateSpatialReference(4326), tmpxs, tmpys, _dstSpatialRef);
//计算偏移
GetEnvelope(tmpxs, tmpys, tmpWidth, tmpHeight, _prjSettings.OutEnvelope, out _orbitBlock);
_orbitBlock = _orbitBlock.Zoom(bC, bC);
tmpxs = new double[1];
tmpys = new double[1];
}
if (_orbitBlock == null || _orbitBlock.Width <= 0 || _orbitBlock.Height <= 0)
{
throw new Exception("数据不在目标区间内");
}
float invalidPresent = (_orbitBlock.Width * _orbitBlock.Height * resolutionScale) / (_srcLocationSize.Width * _srcLocationSize.Height);
if (invalidPresent < 0.0001f)
{
throw new Exception("数据占轨道数据比例太小,有效率" + invalidPresent * 100 + "%");
}
if (invalidPresent > 0.60)
{
_orbitBlock = new Block {
xBegin = 0, yBegin = 0, xEnd = _srcLocationSize.Width - 1, yEnd = _srcLocationSize.Height - 1
}
}
;
}
//地理坐标投影,下面简单的对地理坐标投影的范围作了限制，不大严谨，仅适合目前的状况。
//if (_dstSpatialRef.IsGeographic()==1 && (prjSettings.OutEnvelope.MaxY > 80 || prjSettings.OutEnvelope.MaxY < -80))
//{
// throw new Exception(string.Format("高纬度数据，不适合投影为等经纬度数据[{0}]", _maxPrjEnvelope));
//}
//以下参数用于投影
_dstEnvelope = _prjSettings.OutEnvelope;
if (!_dstEnvelope.IntersectsWith(_maxPrjEnvelope))
{
throw new Exception("数据不在目标区间内");
}
_outResolutionX = _prjSettings.OutResolutionX;
_outResolutionY = _prjSettings.OutResolutionY;
_outFormat = _prjSettings.OutFormat;
_outfilename = _prjSettings.OutPathAndFileName;
_dstProj4 = _dstSpatialRef.ExportToProj4();
_dstBandCount = _prjBands.Length;
_dstSize = _prjSettings.OutSize;
_isRadRef = _prjSettings.IsRadRef;
_isSolarZenith = _prjSettings.IsSolarZenith;
_isSensorZenith = _prjSettings.IsSensorZenith;
_isRad = _prjSettings.IsRad;
}
public DefinedRegionParse()
{
LoadConfig();
wgs84 = SpatialReferenceFactory.CreateSpatialReference(4326);
}
private PrjEnvelope CoordToEnvelope(Envelope coordEnvelope)
{
return(new PrjEnvelope(coordEnvelope.MinX, coordEnvelope.MaxX, coordEnvelope.MinY, coordEnvelope.MaxY,
SpatialReferenceFactory.CreateSpatialReference(4326)));
}
public void Do(InputArg inArg)
{
CheckAtg(inArg);
string projectionIdentify = inArg.ProjectionIdentify;
OutputArg outArg = new OutputArg();
try
{
using (AbstractWarpDataset inputRaster = WarpDataset.Open(inArg.InputFilename))
{
RasterDatasetInfo dsInfo =
mRasterSourceManager.GetInstance().GetRasterDatasetInfo(inArg.InputFilename);
DateTime? dateTime = mRasterSourceManager.GetInstance().GetImageTime(inArg.InputFilename);
DataIdentify dataIdentify = new DataIdentify();
outArg.OrbitFilename = Path.GetFileName(inArg.InputFilename);
outArg.Satellite = dsInfo.SatelliteID;
outArg.Sensor = dsInfo.SensorID;
outArg.Level = "L1";
outArg.ProjectionIdentify = projectionIdentify;
outArg.ObservationDate = dateTime.HasValue ? dateTime.Value.ToString("yyyyMMdd") : "";
outArg.ObservationTime = dateTime.HasValue ? dateTime.Value.ToString("HHmm") : "";
outArg.Station = ParseStation(Path.GetFileName(inArg.InputFilename));
outArg.DayOrNight = DayOrNight(inputRaster);
if (dateTime.HasValue)
{
outArg.OrbitIdentify = CalcOrbitIdentify(dateTime.Value, inArg.PervObservationDate,
inArg.PervObservationTime, inArg.OrbitIdentify);
}
outArg.Length = new FileInfo(inArg.InputFilename).Length;
string validEnvelopeMsg = "";
#region 日夜检查
if (!string.IsNullOrWhiteSpace(inArg.DayNight))
{
if (inArg.DayNight != "daynight" && outArg.DayOrNight == "X")
{
outArg.LogLevel = "info";
outArg.LogInfo = "未设定处理白天和晚上数据，白天晚上标记未知：X";
}
else if (inArg.DayNight == "day" && outArg.DayOrNight != "D")
{
outArg.LogLevel = "info";
outArg.LogInfo = "设定为只处理白天数据，当前数据标记为晚上";
}
else if (inArg.DayNight == "night" && outArg.DayOrNight != "N")
{
outArg.LogLevel = "info";
outArg.LogInfo = "设定为只处理晚上数据，当前数据标记为白天";
}
else if (inArg.DayNight == "notnight" && outArg.DayOrNight == "N")
{
outArg.LogLevel = "info";
outArg.LogInfo = "设定为不处理晚上数据，当前数据标记为晚上";
}
else if (inArg.DayNight == "notday" && outArg.DayOrNight == "D")
{
outArg.LogLevel = "info";
outArg.LogInfo = "设定为不处理白天数据，当前数据标记为白天";
}
}
#endregion 日夜检查
if (inArg.ValidEnvelopes == null || inArg.ValidEnvelopes.Length == 0)
{
outArg.LogLevel = "error";
outArg.LogInfo = "参数错误：未正确设置ValidEnvelopes";
}
else if (!ValidEnvelope(inputRaster, inArg.ValidEnvelopes, out validEnvelopeMsg))
{
outArg.LogLevel = "info";
outArg.LogInfo = validEnvelopeMsg;
}
else
{
PrjOutArg prjArg;
if (inArg.Envelopes == null || inArg.Envelopes.Length == 0)
{
prjArg = new PrjOutArg(projectionIdentify, null, inArg.ResolutionX, inArg.ResolutionY,
inArg.OutputDir);
}
else
{
prjArg = new PrjOutArg(projectionIdentify, inArg.Envelopes, inArg.ResolutionX,
inArg.ResolutionY, inArg.OutputDir);
}
//prjArg.Args = new string[] { "SolarZenith"};
if (inArg.Bands != null && inArg.Bands.Length != 0)
{
prjArg.SelectedBands = inArg.Bands;
Console.WriteLine("SelectedBands:" + string.Join(",", prjArg.SelectedBands));
}
//扩展参数
List <string> extArgs = new List <string>();
extArgs.Add("IsClearPrjCache");
if (inArg.ExtArgs != null)
{
extArgs.AddRange(inArg.ExtArgs);
}
prjArg.Args = extArgs.ToArray();
ProjectionFactory prjFactory = new ProjectionFactory();
string retMessage = "";
string[] files = prjFactory.Project(inputRaster, prjArg, new Action <int, string>(OnProgress),
out retMessage);
prjFactory = null;
//投影结束，执行拼接，如果有拼接节点
List <OutFileArg> fileArgs = new List <OutFileArg>();
for (int i = 0; i < files.Length; i++)
{
string file = files[i];
if (string.IsNullOrWhiteSpace(file) || !File.Exists(file))
{
continue;
}
OutFileArg fileArg = new OutFileArg();
Envelope env = null;
float resolutionX;
float resolutionY;
string overViewFilename = "";
using (AbstractWarpDataset outfileRaster = WarpDataset.Open(file))
{
Console.WriteLine("生成缩略图开始");
overViewFilename = OverViewHelper.OverView(outfileRaster, _prjPngSize);
Console.WriteLine("生成缩略图结束");
env = outfileRaster.GetEnvelope();
resolutionX = outfileRaster.ResolutionX;
resolutionY = outfileRaster.ResolutionY;
var dt = dateTime.HasValue ? dateTime.Value : DateTime.Now;
TryMosaicFile(inArg, outfileRaster, dsInfo, dt, outArg.DayOrNight);
}
fileArg.OutputFilename = Path.GetFileName(file);
fileArg.Thumbnail =
(string.IsNullOrWhiteSpace(overViewFilename) && File.Exists(overViewFilename)
? ""
: Path.GetFileName(overViewFilename));
string solarZenithFile = Path.Combine(Path.GetDirectoryName(file),
Path.GetFileNameWithoutExtension(file) + ".SolarZenith.ldf");
string solarZenithHdrFile = Path.Combine(Path.GetDirectoryName(file),
Path.GetFileNameWithoutExtension(file) + ".SolarZenith.hdr");
fileArg.ExtendFiles = Path.ChangeExtension(Path.GetFileName(file), "hdr") +
(string.IsNullOrWhiteSpace(solarZenithFile) &&
File.Exists(solarZenithFile)
? ""
: "," + Path.GetFileName(solarZenithFile)) +
(string.IsNullOrWhiteSpace(solarZenithHdrFile) &&
File.Exists(solarZenithHdrFile)
? ""
: "," + Path.GetFileName(solarZenithHdrFile));
fileArg.Envelope = new PrjEnvelopeItem("GBAL",
env == null
? null
: new RasterProject.PrjEnvelope(env.MinX, env.MaxX, env.MinY, env.MaxY,
SpatialReferenceFactory.CreateSpatialReference(4326)));
fileArg.ResolutionX = resolutionX.ToString();
fileArg.ResolutionY = resolutionY.ToString();
fileArg.Length = new FileInfo(file).Length;
fileArgs.Add(fileArg);
if (inArg.IsOnlySaveMosaicFile)
{
TryDeleteFile(file);
}
}
outArg.OutputFiles = fileArgs.ToArray();
outArg.LogLevel = "info";
if (string.IsNullOrWhiteSpace(retMessage))
{
outArg.LogInfo = "投影成功";
}
else
{
outArg.LogInfo = retMessage;
}
if (string.IsNullOrWhiteSpace(validEnvelopeMsg))
{
outArg.LogInfo = outArg.LogInfo + validEnvelopeMsg;
}
}
}
}
catch (Exception ex)
{
outArg.LogLevel = "error";
Console.WriteLine(ex.StackTrace);
outArg.LogInfo = ex.Message + ex.StackTrace;
Console.WriteLine("PIE.Meteo.ProjectTool.Execute()", ex);
}
finally
{
//输出参数文件重新命名
string inputFileName = Path.GetFileName(inArg.InputFilename);
System.Text.RegularExpressions.Regex rex = new System.Text.RegularExpressions.Regex(@"_\d{4}M");
if (rex.IsMatch(inputFileName))
{
string oldResStr = rex.Match(inputFileName).Groups[0].Value;
if (inArg.ProjectionIdentify == "GLL")
{
inputFileName = inputFileName.Replace(oldResStr,
$"_{PrjFileName.GLLResolutionIdentify(inArg.ResolutionX)}");
}
else
{
inputFileName = inputFileName.Replace(oldResStr,
$"_{PrjFileName.ResolutionIdentify(inArg.ResolutionX)}");
}
}
string outXmlFilename = Path.Combine(inArg.OutputDir, inputFileName + ".xml");
OutputArg.WriteXml(outArg, outXmlFilename);
}
}