public override IExtractResult Make(Action <int, string> progressTracker, IContextMessage contextMessage)
{
_contextMessage = contextMessage;
if (_argumentProvider == null)
{
return(null);
}
if (_argumentProvider.GetArg("AlgorithmName") == null)
{
return(null);
}
string algorith = _argumentProvider.GetArg("AlgorithmName").ToString();
if (algorith != "0MIN")
{
PrintInfo("指定的算法\"" + algorith + "\"没有实现。");
return(null);
}
string[] fileNames = GetStringArray("SelectedPrimaryFiles");
if (fileNames == null || fileNames.Count() == 0)
{
PrintInfo("请选择参与最小值合成的数据！");
return(null);
}
foreach (string f in fileNames)
{
if (!File.Exists(f))
{
PrintInfo("所选择的数据:\"" + f + "\"不存在。");
return(null);
}
}
int bandNo = 1;
Int16 defCloudy = (Int16)_argumentProvider.GetArg("defCloudy");
double vaildRegionMin = (double)_argumentProvider.GetArg("VaildRegionMin");
double vaildRegionMax = (double)_argumentProvider.GetArg("VaildRegionMax");
float resolution = (float)_argumentProvider.GetArg("resolution");
//输入文件准备
List <RasterMaper> rms = new List <RasterMaper>();
try
{
for (int i = 0; i < fileNames.Length; i++)
{
IRasterDataProvider inRaster = RasterDataDriver.Open(fileNames[i]) as IRasterDataProvider;
if (inRaster.BandCount < bandNo)
{
PrintInfo("请选择正确的数据进行最小值合成。");
return(null);
}
RasterMaper rm = new RasterMaper(inRaster, new int[] { bandNo });
rms.Add(rm);
}
//输出文件准备（作为输入栅格并集处理）
RasterIdentify ri = GetRasterIdentifyID(fileNames);
string outFileName = ri.ToWksFullFileName(".dat");
using (IRasterDataProvider outRaster = CreateOutRaster(outFileName, rms.ToArray(), resolution))
{
//栅格数据映射
RasterMaper[] fileIns = rms.ToArray();
RasterMaper[] fileOuts = new RasterMaper[] { new RasterMaper(outRaster, new int[] { 1 }) };
//创建处理模型
RasterProcessModel <short, short> rfr = null;
rfr = new RasterProcessModel <short, short>(progressTracker);
rfr.SetRaster(fileIns, fileOuts);
Int16 result;
short[] nanValues = GetNanValues("CloudyValue");
short[] waterValues = GetNanValues("WaterValue");
rfr.RegisterCalcModel(new RasterCalcHandler <short, short>((rvInVistor, rvOutVistor, aoi) =>
{
int dataLength = rvOutVistor[0].SizeY * rvOutVistor[0].SizeX;
short[] minData = new short[dataLength];
InitMinData(ref minData);
foreach (RasterVirtualVistor <short> rv in rvInVistor)
{
short[] dt = rv.RasterBandsData[0];
if (dt != null)
{
for (int index = 0; index < dataLength; index++)
{
if (VaildRegionAndCloudyProcess.ProcessMinNanValues(new Int16[] { dt[index], minData[index] }, nanValues, waterValues, vaildRegionMax, vaildRegionMin, defCloudy, out result))
{
minData[index] = result;
}
}
}
}
for (int index = 0; index < dataLength; index++)
{
rvOutVistor[0].RasterBandsData[0][index] = minData[index];
}
}));
//执行
rfr.Excute(Int16.MaxValue);
FileExtractResult res = new FileExtractResult(_subProductDef.Identify, outFileName, true);
res.SetDispaly(false);
return(res);
}
}
finally
{
foreach (RasterMaper rm in rms)
{
rm.Raster.Dispose();
}
}
}