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; }