public override FilePrjSettings CreateDefaultPrjSettings()
{
Fy2_NOM_PrjSettings prj = new Fy2_NOM_PrjSettings();
prj.OutFormat = ".ldf";
prj.OutResolutionX = 0.05f;
prj.OutResolutionY = 0.05f;
return(prj);
}
private void ReadyArgs(IRasterDataProvider srcRaster, FilePrjSettings prjSettings, ISpatialReference dstSpatialRef, Action <int, string> progressCallback)
{
if (dstSpatialRef == null)
{
dstSpatialRef = _srcSpatialRef;
}
if (string.IsNullOrWhiteSpace(prjSettings.OutFormat))
{
prjSettings.OutFormat = "LDF";
}
if (prjSettings.OutResolutionX == 0 || prjSettings.OutResolutionY == 0)
{
if (dstSpatialRef.ProjectionCoordSystem == null)
{
prjSettings.OutResolutionX = 0.05F;
prjSettings.OutResolutionY = 0.05F;
}
else
{
prjSettings.OutResolutionX = 5000F;
prjSettings.OutResolutionY = 5000F;
}
}
if (prjSettings.OutBandNos == null || prjSettings.OutBandNos.Length == 0)
{
prjSettings.OutBandNos = new int[] { 1, 2, 3, 4, 5, 6 };
}
if (dstSpatialRef == null || dstSpatialRef.ProjectionCoordSystem == null)
{
_srcImgResolution = 0.05f;
}
else
{
_srcImgResolution = 5000f;
}
_prjSettings = prjSettings as Fy2_NOM_PrjSettings;
ReadExtArgs(prjSettings);
DoSession(srcRaster, dstSpatialRef, prjSettings as Fy2_NOM_PrjSettings, progressCallback);
_isRadiation = _prjSettings.IsRadiation;
_isSolarZenith = _prjSettings.IsSolarZenith;
_isSensorZenith = _prjSettings.IsSensorZenith;
_outResolutionX = prjSettings.OutResolutionX;
_outResolutionY = prjSettings.OutResolutionY;
_dstEnvelope = prjSettings.OutEnvelope;
_dstBandCount = prjSettings.OutBandNos.Length;
_outfilename = prjSettings.OutPathAndFileName;
_dstSize = prjSettings.OutEnvelope.GetSize(_outResolutionX, _outResolutionY);
_orbitBlock = new Block {
xOffset = 0, yBegin = 0, xEnd = srcRaster.Width - 1, yEnd = srcRaster.Height - 1
};
if (_prjSettings.OutEnvelope == null || _prjSettings.OutEnvelope == PrjEnvelope.Empty)
{
_prjSettings.OutEnvelope = _maxPrjEnvelope;
_orbitBlock = new Block {
xOffset = 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");
}
}
_rasterDataBands = GetSrcRasterBand(srcRaster, prjSettings);
}
private void DoSession(IRasterDataProvider srcRaster, ISpatialReference dstSpatialRef, Fy2_NOM_PrjSettings prjSettings, Action <int, string> progressCallback)
{
if (_curSession == null || _curSession != srcRaster || _isBeginSession)
{
Size geoSize = new Size(srcRaster.Width, srcRaster.Height);
ReadyLocations(srcRaster, dstSpatialRef, geoSize, out _xs, out _ys, out _maxPrjEnvelope, progressCallback);
if (prjSettings.OutEnvelope == null)
{
prjSettings.OutEnvelope = _maxPrjEnvelope;
}
if (progressCallback != null)
{
progressCallback(4, "准备亮温计算参数");
}
if (progressCallback != null)
{
progressCallback(5, "准备亮温计算参数");
}
if (prjSettings.IsSensorZenith)//执行临边变暗订正
{
ReadySensorZenith(srcRaster);
}
//亮温值映射表
ReadBandNoValueMap(srcRaster);
_isBeginSession = false;
}
}