private void ReadyArgs(AbstractWarpDataset srcRaster, FilePrjSettings prjSettings,
SpatialReference dstSpatialRef, Action <int, string> progressCallback)
{
if (srcRaster == null)
{
throw new ArgumentNullException("srcRaster");
}
if (prjSettings == null)
{
throw new ArgumentNullException("prjSettings");
}
_readyProgress = 0;
_prjSettings = prjSettings as FY3_VIRR_PrjSettings;
_dstSpatialRef = dstSpatialRef;
MemoryHelper.MemoryNeed(200, 1536); //剩余200MB,已使用1.2GB
if (progressCallback != null)
{
progressCallback(_readyProgress++, "准备相关参数");
}
TryCreateDefaultArgs(srcRaster, _prjSettings, ref dstSpatialRef);
//这里去除的是读取轨道数据时候的左右像元个数。
_left = 4;
_right = 4;
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, srcRaster.Width, srcRaster.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 * 1.0F) /
(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 > 0.60)
{
_orbitBlock = new Block
{
xBegin = 0, yBegin = 0, xEnd = srcRaster.Width - 1, yEnd = srcRaster.Height - 1
}
}
;
}
//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));
_dstSpatialRef = dstSpatialRef;
_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;
}
private void ReadyArgs(AbstractWarpDataset srcRaster, FilePrjSettings prjSettings, SpatialReference dstSpatialRef, Action <int, string> progressCallback)
{
if (srcRaster.DataIdentify != null)
{
string satellite = srcRaster.DataIdentify.Satellite;
//if (satellite == "FY3A")//FY3A MERSI250米数据已经经过处理，不需要再执行去条带操作
//{
// _sacnLineWidth = 0;
//}
}
float resolutionScale = 1f;
_readyProgress = 0;
if (progressCallback != null)
{
progressCallback(_readyProgress++, "准备相关参数");
}
_prjSettings = ArgsCheck(srcRaster, prjSettings);
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
{
MemoryHelper.MemoryNeed(500, 1536);
}
else
{
MemoryHelper.MemoryNeed(400, 1536); //剩余900MB,已使用1.2GB
}
TryCreateDefaultArgs(srcRaster, _prjSettings, ref _dstSpatialRef);
DoSession(srcRaster, srcRaster, _dstSpatialRef, _prjSettings, progressCallback);
_angleDataProvider = srcRaster;
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1.5GB，应用程序已使用内存不超过600MB
}
else
{
MemoryHelper.MemoryNeed(600, 1280); //剩余900MB,已使用1.2GB
}
TryCreate0250DefaultArgs(srcRaster, _prjSettings, ref _dstSpatialRef);
DoSession(srcRaster, _prjSettings.SecondaryOrbitRaster, _dstSpatialRef, _prjSettings, progressCallback);
_angleDataProvider = _prjSettings.SecondaryOrbitRaster;
break;
default:
break;
}
TrySetLeftRightInvalidPixel(_prjSettings.ExtArgs);
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
{
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) / (_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;
}
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(wgs84, tmpxs, tmpys, _dstSpatialRef);
//计算偏移
GetEnvelope(tmpxs, tmpys, tmpWidth, tmpHeight, _prjSettings.OutEnvelope, out _orbitBlock);
_orbitBlock = _orbitBlock.Zoom(bC, bC);
}
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
}
}
;
}
//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;
}