//public override void SetExtHeader(IExtHeaderSetter setter, object header)
//{
// if (setter == null || header == null)
// return;
// setter.SetExtHeader<NDVISetValue>((NDVISetValue)header);
//}
private IPixelFeatureMapper <float> ComputeNDVIResult(IRasterDataProvider orbitDataProvider, IPixelIndexMapper result, int visiBandNo, int niBandNo)
{
//生成判识结果文件
IRasterDataProvider batDataProvider = null;
IInterestedRaster <UInt16> iir = null;
try
{
RasterIdentify id = new RasterIdentify();
id.ThemeIdentify = "CMA";
id.ProductIdentify = "BAG";
id.SubProductIdentify = "DBLV";
id.Sensor = orbitDataProvider.DataIdentify.Sensor;
id.Satellite = orbitDataProvider.DataIdentify.Satellite;
id.OrbitDateTime = DateTime.Now.Subtract(new TimeSpan(1, 0, 0, 0, 0));
id.GenerateDateTime = DateTime.Now;
iir = new InterestedRaster <UInt16>(id, new Size(orbitDataProvider.Width, orbitDataProvider.Height), orbitDataProvider.CoordEnvelope.Clone());
int[] idxs = result.Indexes.ToArray();
iir.Put(idxs, 1);
batDataProvider = iir.HostDataProvider;
//内存结果
IPixelFeatureMapper <float> memresult = new MemPixelFeatureMapper <float>("NDVI", 1000, new Size(batDataProvider.Width, batDataProvider.Height), batDataProvider.CoordEnvelope, batDataProvider.SpatialRef);
//虚拟文件
//转换IRasterDataProvider!!!!!
IVirtualRasterDataProvider vrd = new VirtualRasterDataProvider(new IRasterDataProvider[] { batDataProvider, orbitDataProvider });
ArgumentProvider ap = new ArgumentProvider(vrd, null);
RasterPixelsVisitor <Int16> visitor = new RasterPixelsVisitor <Int16>(ap);
visitor.VisitPixel(new int[] { 1, visiBandNo + 1, niBandNo + 1 },
(index, values) =>
{
if (values[0] == 0)
{
memresult.Put(index, -9999);
}
else
{
memresult.Put(index, GetOnePixelNDVI(values[1], values[2]));
}
});
iir.Dispose();
return(memresult);
}
finally
{
if (batDataProvider != null)
{
batDataProvider.Dispose();
}
if (File.Exists(iir.FileName))
{
File.Delete(iir.FileName);
}
}
}
private string CombineCloudAndWater(string cloudFile, string waterFile)
{
IInterestedRaster <Int16> iir = null;
IRasterDataProvider waterPrd = null;
IRasterDataProvider cloudPrd = null;
try
{
RasterIdentify id = new RasterIdentify(waterFile);
waterPrd = GeoDataDriver.Open(waterFile) as IRasterDataProvider;
cloudPrd = GeoDataDriver.Open(cloudFile) as IRasterDataProvider;
iir = new InterestedRaster <Int16>(id, new Size(waterPrd.Width, waterPrd.Height), waterPrd.CoordEnvelope.Clone());
//虚拟文件
//转换IRasterDataProvider!!!!!
IVirtualRasterDataProvider vrd = new VirtualRasterDataProvider(new IRasterDataProvider[] { waterPrd, cloudPrd });
ArgumentProvider ap = new ArgumentProvider(vrd, null);
RasterPixelsVisitor <Int16> visitor = new RasterPixelsVisitor <Int16>(ap);
visitor.VisitPixel(new int[] { 1, 2 },
(index, values) =>
{
if (values[0] == 1)
{
iir.Put(index, 1);
}
else if (values[1] == 1)
{
iir.Put(index, -9999);
}
});
return(iir.FileName);
}
finally
{
if (iir != null)
{
iir.Dispose();
}
if (waterPrd != null)
{
waterPrd.Dispose();
}
if (cloudPrd != null)
{
cloudPrd.Dispose();
}
}
}
private void button17_Click(object sender, EventArgs e)
{
IVirtualRasterDataProvider prd = new VirtualRasterDataProvider(null);
IRasterPixelsVisitor <UInt16> visitor = new RasterPixelsVisitor <UInt16>(new ArgumentProvider(prd, null));
IPixelFeatureMapper <float> result = new MemPixelFeatureMapper <float>("NVI", 10000, new Size(prd.Width, prd.Height), prd.CoordEnvelope, prd.SpatialRef);
visitor.VisitPixel(new int[] { 1, 11, 21 },
(idx, values) =>
{
result.Put(idx, values[0] * values[1] * values[2]);
}
);
//
//IInterestedRaster<float> rst = new InterestedRaster<float>(null, Size.Empty, null);
//rst.Put(result);
//rst.Dispose();
}
private IExtractResult ERADAlgorithm()
{
int optdCH = (int)_argumentProvider.GetArg("OPTDBandNo");
double OptdZoom = (float)_argumentProvider.GetArg("OPTDZoom");
int lwpCH = (int)_argumentProvider.GetArg("LWPBandNo");
double LwpZoom = (float)_argumentProvider.GetArg("LWPZoom");
if (_argumentProvider.GetArg("mainfiles") == null || _argumentProvider.GetArg("LWPFile") == null)
{
return(null);
}
string optdFile = _argumentProvider.GetArg("mainfiles").ToString();
string lwpFile = _argumentProvider.GetArg("LWPFile").ToString();
if (optdCH == -1 || lwpCH == -1 || !File.Exists(optdFile) || !File.Exists(lwpFile))
{
//errorStr = "雾滴尺度产品生产所用通道未设置完全,请检查!";
return(null);
}
IRasterDataProvider optdPrd = null;
IRasterDataProvider lwpPrd = null;
IVirtualRasterDataProvider vrd = null;
try
{
optdPrd = GeoDataDriver.Open(optdFile) as IRasterDataProvider;
lwpPrd = GeoDataDriver.Open(lwpFile) as IRasterDataProvider;
vrd = new VirtualRasterDataProvider(new IRasterDataProvider[] { optdPrd, lwpPrd });
return(CalcOPTDByOneFile(vrd, optdPrd, optdCH, OptdZoom, lwpCH, LwpZoom));
}
finally
{
optdPrd.Dispose();
lwpPrd.Dispose();
vrd.Dispose();
}
}
/// <summary>
///
/// </summary>
/// <param name="rasterFile">土地利用类型文件</param>
/// <param name="dblvFile">二值图文件</param>
/// <returns></returns>
private unsafe string GenerateNetImageFile(string rasterFile, string dblvFile)
{
using (IRasterDataProvider rasterprd = GeoDataDriver.Open(rasterFile) as IRasterDataProvider)
{
using (IRasterDataProvider dblvprd = GeoDataDriver.Open(dblvFile) as IRasterDataProvider)
{
//step1:将文件转换为类型一致
IRasterDataProviderConverter converter = new RasterDataProviderConverter();
string dstFileName = MifEnvironment.GetFullFileName("1.dat");
using (IRasterDataProvider dstDataProvider = converter.ConvertDataType <UInt16, Byte>(dblvprd, enumDataType.Byte, dstFileName,
(v) => { return((Byte)v); }))
{
//step2:裁切文件以保证大小一致
using (IRasterDataProvider sameSizeDataProvider = GetSameSizeDataProvider(rasterprd, dstDataProvider))
{
byte[] dataBlock = new byte[sameSizeDataProvider.Width * sameSizeDataProvider.Height];
fixed(byte *buffer = dataBlock)
{
IntPtr ptr = new IntPtr(buffer);
sameSizeDataProvider.GetRasterBand(1).Read(0, 0, sameSizeDataProvider.Width, sameSizeDataProvider.Height, ptr, enumDataType.Byte, sameSizeDataProvider.Width, sameSizeDataProvider.Height);
sameSizeDataProvider.Read(0, 0, sameSizeDataProvider.Width, sameSizeDataProvider.Height, ptr, enumDataType.Byte, sameSizeDataProvider.Width, sameSizeDataProvider.Height, 1, new int[] { 1 }, enumInterleave.BSQ);
}
if (sameSizeDataProvider == null)
{
return(null);
}
//step3:生成虚拟文件
VirtualRasterDataProvider vrd = new VirtualRasterDataProvider(new IRasterDataProvider[] { sameSizeDataProvider, dstDataProvider });
//step4:遍历虚拟文件生成结果
ArgumentProvider ap = new ArgumentProvider(vrd, null);
RasterPixelsVisitor <Byte> visitor = new RasterPixelsVisitor <Byte>(ap);
//生成结果
MemPixelFeatureMapper <Byte> memresult = new MemPixelFeatureMapper <Byte>("NIMG", 1000, new Size(vrd.Width, vrd.Height), vrd.CoordEnvelope, vrd.SpatialRef);
visitor.VisitPixel(new int[] { 1, 2 },
(index, values) =>
{
if (values[0] == 0)
{
memresult.Put(index, 0);
}
else if (values[1] == 0)
{
memresult.Put(index, 100);
}
else if (values[1] == 1)
{
memresult.Put(index, (byte)(100 + values[0]));
}
});
//保存文件
RasterIdentify idNIMG = new RasterIdentify(dblvFile);
idNIMG.ThemeIdentify = "CMA";
idNIMG.ProductIdentify = "SNW";
idNIMG.SubProductIdentify = "NIMG";
idNIMG.GenerateDateTime = DateTime.Now;
idNIMG.Satellite = dblvprd.DataIdentify.Satellite;
idNIMG.Sensor = dblvprd.DataIdentify.Sensor;
string fileName = MifEnvironment.GetFullFileName(idNIMG.ToLongString() + ".dat");
if (File.Exists(fileName))
{
idNIMG.GenerateDateTime = DateTime.Now.AddSeconds(1);
}
IInterestedRaster <Byte> iirNIMG = new InterestedRaster <Byte>(idNIMG, new Size(sameSizeDataProvider.Width, sameSizeDataProvider.Height), sameSizeDataProvider.CoordEnvelope.Clone(), sameSizeDataProvider.SpatialRef);
iirNIMG.Put(memresult);
iirNIMG.Dispose();
if (File.Exists(dstFileName))
{
File.Delete(dstFileName);
}
return(iirNIMG.FileName);
}
}
}
}
}
