/// <summary>
/// creates a composite band function
/// </summary>
/// <param name="rsArray"></param>
/// <returns></returns>
public IFunctionRasterDataset compositeBandFunction(IRasterBandCollection rsBandCollection)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new CompositeBandFunctionClass();
frDset.Init(rsFunc, rsBandCollection);
return frDset;
}
/// <summary>
/// Will perform a focal raster operation on an input raster all bands
/// </summary>
/// <param name="inRaster">either IRaster, IRasterDataset, or a valid path pointing to a raster</param>
/// <param name="clm">number of columns (cells)</param>
/// <param name="rws">number of rows</param>
/// <param name="statType">the type of operation</param>
/// <returns>a IRaster that can be used for further analysis</returns>
public IFunctionRasterDataset calcFocalStatisticsFunction(object inRaster, int clm, int rws, focalType statType)
{
IFunctionRasterDataset iR1 = createIdentityRaster(inRaster,rstPixelType.PT_FLOAT);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = null;
switch (statType)
{
case focalType.MIN:
case focalType.MAX:
case focalType.MEAN:
case focalType.STD:
return calcFocalStatisticsRectangle(inRaster, clm, rws, statType);
case focalType.SUM:
IFunctionRasterDataset mRs = calcFocalStatisticsFunction(inRaster, clm, rws, focalType.MEAN);
return calcArithmaticFunction(mRs, clm * rws, esriRasterArithmeticOperation.esriRasterMultiply);
//rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperSum();
//break;
case focalType.MODE:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperMode();
break;
case focalType.MEDIAN:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperMedian();
break;
case focalType.VARIANCE:
IFunctionRasterDataset rs = calcFocalStatisticsFunction(inRaster, clm, rws,focalType.STD);
return calcArithmaticFunction(rs,2,esriRasterArithmeticOperation.esriRasterPower);
case focalType.UNIQUE:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperUnique();
break;
case focalType.ENTROPY:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperEntropy();
break;
case focalType.ASM:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperProbability();
break;
default:
break;
}
FunctionRasters.FocalFunctionArguments args = new FunctionRasters.FocalFunctionArguments(this);
args.Rows = rws;
args.Columns = clm;
//args.WindowType = windowType.RECTANGLE;
args.InRaster = iR1;
args.Operation = statType;
frDset.Init(rsFunc, args);
return frDset;
}
/// <summary>
/// Create the function raster dataset from the source images.
/// </summary>
/// <param name="dimPar">Parser for the dimap file.</param>
/// <param name="pItemURI">ItemURi to use.</param>
/// <returns>Function raster dataset created.</returns>
private IFunctionRasterDataset GetFRD(DiMapParser dimPar, IItemURI pItemURI)
{
IFunctionRasterDataset opFrd = null;
try
{
Type factoryType = Type.GetTypeFromProgID("esriDataSourcesRaster.RasterWorkspaceFactory");
IWorkspaceFactory workspaceFactory = (IWorkspaceFactory)Activator.CreateInstance(factoryType);
IWorkspace workspace = workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(pItemURI.Key), 0);
IRasterWorkspace rasterWorkspace = (IRasterWorkspace)workspace;
// Open the tif file associated with the .dim file as a raster dataset.
string imagePath = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(pItemURI.Key),
pItemURI.Group + ".tif");
string rpcPath = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(pItemURI.Key),
pItemURI.Group + ".rpc");
IRasterDataset inputRasterDataset = null;
if (File.Exists(imagePath))
inputRasterDataset = rasterWorkspace.OpenRasterDataset(pItemURI.Group + ".tif");
else
return null;
IFunctionRasterDataset intermedFrd = null;
// If the file opes successfully, add a RasterInfo function on top.
if (inputRasterDataset != null)
{
// Create an Identity function dataset to get the raster info.
IRasterFunction identityFunction = new IdentityFunctionClass();
IFunctionRasterDataset idFrd = new FunctionRasterDatasetClass();
idFrd.Init(identityFunction, inputRasterDataset);
// Create a raster info function dataset.
IRasterFunction rasterInfoFunction = new RasterInfoFunctionClass();
IRasterInfoFunctionArguments rasterInfoFuncArgs = new RasterInfoFunctionArgumentsClass();
rasterInfoFuncArgs.Raster = inputRasterDataset;
rasterInfoFuncArgs.RasterInfo = idFrd.RasterInfo;
intermedFrd = new FunctionRasterDatasetClass();
intermedFrd.Init(rasterInfoFunction, rasterInfoFuncArgs);
}
else
return null;
// Check if there is an RPC file associated with the image. If so
// then add a geometric function to apply the rpc xform.
if (File.Exists(rpcPath))
opFrd = ApplyRPC(rpcPath, (IRasterDataset)intermedFrd);
// If no rpc pars exist or applying rpc fails, use the intermediate
// function raster dataset created.
if (opFrd == null)
opFrd = intermedFrd;
//IRasterFunction ebFunction = new ExtractBandFunctionClass();
//IRasterFunctionArguments ebFuncArgs = new ExtractBandFunctionArgumentsClass();
//ILongArray bandIDs = new LongArrayClass();
//bandIDs.Add(2);
//bandIDs.Add(1);
//bandIDs.Add(0);
////bandIDs.Add(4);
//((IExtractBandFunctionArguments)ebFuncArgs).BandIDs = bandIDs;
//((IExtractBandFunctionArguments)ebFuncArgs).Raster = inputRasterDataset;
//opFrd = new FunctionRasterDatasetClass();
//opFrd.Init(ebFunction, ebFuncArgs);
//if (opFrd == null)
//{
// IRasterFunction identityFunction = new IdentityFunctionClass();
// opFrd = new FunctionRasterDatasetClass();
// opFrd.Init(identityFunction, inputRasterDataset);
//}
}
catch (Exception exc)
{
string error = exc.Message;
}
return opFrd;
}
public IFunctionRasterDataset calcCensoredRegressFunction(object inRaster, List<float[]> slopes,float lowerLimit=0)
{
IFunctionRasterDataset rRst = createIdentityRaster(inRaster);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new FunctionRasters.tobitFunctionDataset();
FunctionRasters.tobitFunctionArguments args = new FunctionRasters.tobitFunctionArguments(this);
args.InRasterCoefficients = rRst;
args.Slopes = slopes;
args.CensoredValue = lowerLimit;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset calcCombineRasterFunction(IFunctionRasterDataset funcRs)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new FunctionRasters.combineFunctionDataset();
FunctionRasters.combineFunctionArguments args = new FunctionRasters.combineFunctionArguments(this);
args.InRasterDataset = funcRs;
frDset.Init(rsFunc, args);
return frDset;
}
private IFunctionRasterDataset calcFocalStatisticsRectangle(object iR1, int clm, int rws, focalType statType)
{
//Console.WriteLine(statType);
//Console.WriteLine((esriFocalStatisticType)statType);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new StatisticsFunctionClass();
//IStatisticsFunctionArguments2 args = new StatisticsFunctionArgumentsClass();
IStatisticsFunctionArguments args = new StatisticsFunctionArgumentsClass();
args.Raster = createIdentityRaster(iR1,rstPixelType.PT_FLOAT);
args.Columns = clm;
args.Rows = rws;
args.Type = (esriFocalStatisticType)statType;
//args.FillNoDataOnly = false;
frDset.Init(rsFunc, args);
return frDset;
}
//, esriCellsizeType outCellSize = esriCellsizeType.esriCellsizeMinOf, esriExtentType outExtent = esriExtentType.esriExtentIntersectionOf )
/// <summary>
/// Will perform an arithmeticOperation on an input raster all bands
/// </summary>
/// <param name="inRaster1">either IRaster, IRasterDataset, or a valid path pointing to a raster</param>
/// <param name="inRaster2">either IRaster, IRasterDataset, a numeric value, or a valid path pointing to a raster</param>
/// <param name="op">the type of operation</param>
/// <returns>a IRaster that can be used for further analysis</returns>
public IFunctionRasterDataset calcArithmaticFunction(object inRaster1, object inRaster2, esriRasterArithmeticOperation op, rstPixelType outRasterType = rstPixelType.PT_FLOAT)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new ArithmeticFunctionClass();
rsFunc.PixelType = outRasterType;
//IArithmeticFunctionArguments2 args = new ArithmeticFunctionArgumentsClass();
IArithmeticFunctionArguments args = new ArithmeticFunctionArgumentsClass();
if(isNumeric(inRaster1.ToString())&&isNumeric(inRaster2.ToString()))
{
Console.WriteLine("Must have at least one raster");
return null;
}
args.Operation = op;
object iR1, iR2;
if (isNumeric(inRaster1.ToString())&&!isNumeric(inRaster2.ToString()))
{
iR2 = createIdentityRaster(inRaster2,rstPixelType.PT_FLOAT);
IScalar sc = new ScalarClass();
int bCnt = ((IRasterBandCollection)iR2).Count;
float[] d = new float[bCnt];
for (int i = 0; i < bCnt; i++)
{
d[i] = System.Convert.ToSingle(inRaster1);
}
sc.Value = d;
iR1 = sc;
}
else if (isNumeric(inRaster2.ToString()) && !isNumeric(inRaster1.ToString()))
{
iR1 = createIdentityRaster(inRaster1, rstPixelType.PT_FLOAT);
IScalar sc = new ScalarClass();
int bCnt = ((IRasterBandCollection)iR1).Count;
float[] d = new float[bCnt];
for (int i = 0; i < bCnt; i++)
{
d[i] = System.Convert.ToSingle(inRaster2);
}
sc.Value = d;
iR2 = sc;
}
else
{
iR1 = createIdentityRaster(inRaster1, rstPixelType.PT_FLOAT);
iR2 = createIdentityRaster(inRaster2, rstPixelType.PT_FLOAT);
IRasterBandCollection rsBc1 = (IRasterBandCollection)iR1;
IRasterBandCollection rsBc2 = (IRasterBandCollection)iR2;
int bCnt1,bCnt2;
bCnt1 = rsBc1.Count;
bCnt2 = rsBc2.Count;
if (bCnt1 != rsBc2.Count)
{
int dif = bCnt1-bCnt2;
int absDif = Math.Abs(dif);
if (dif > 0)
{
IRaster rsB = createRaster(getBand(iR2, 0));
IRaster[] rsArr = new IRaster[absDif];
for (int i = 0; i < absDif; i++)
{
rsArr[i] = rsB;
}
iR2 = compositeBandFunction(rsArr);
}
else
{
IRaster rsB = createRaster(getBand(iR1, 0));
IRaster[] rsArr = new IRaster[absDif];
for (int i = 0; i < absDif; i++)
{
rsArr[i] = rsB;
}
iR1 = compositeBandFunction(rsArr);
}
}
}
args.Raster = iR1;
args.Raster2 = iR2;
//args.CellsizeType = esriCellsizeType.esriCellsizeMinOf;
//args.ExtentType = esriExtentType.esriExtentIntersectionOf;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset createMeanShiftFuction(object inRaster, int minCells)
{
IFunctionRasterDataset rRst = createIdentityRaster(inRaster);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new FunctionRasters.meanShiftFunctionDataset();
FunctionRasters.meanShiftFunctionArguments args = new FunctionRasters.meanShiftFunctionArguments(this);
args.ValueRaster = rRst;
args.MinCells = minCells;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset focalBandfunction(object inRaster, localType op, int bandsBefore, int bandsAfter)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = null;
switch (op)
{
case localType.MAX:
break;
case localType.MIN:
break;
case localType.MAXBAND:
break;
case localType.MINBAND:
break;
case localType.SUM:
rsFunc = new FunctionRasters.focalBandFunctionDatasetSum();
break;
case localType.MULTIPLY:
break;
case localType.DIVIDE:
break;
case localType.SUBTRACT:
break;
case localType.POWER:
break;
case localType.MEAN:
rsFunc = new FunctionRasters.focalBandFunctionDatasetMean();
break;
case localType.VARIANCE:
break;
case localType.STD:
rsFunc = new FunctionRasters.focalBandFunctionDatasetStd();
break;
case localType.MODE:
break;
case localType.MEDIAN:
break;
case localType.UNIQUE:
break;
case localType.ENTROPY:
break;
case localType.ASM:
break;
default:
break;
}
FunctionRasters.focalBandFunctionArguments args = new FunctionRasters.focalBandFunctionArguments(this);
IFunctionRasterDataset inRs = createIdentityRaster(inRaster);
args.InRaster = inRs;
args.BandsBefore = bandsBefore;
args.BandsAfter = bandsAfter;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset createIdentityRaster(object inRaster,rstPixelType pType)
{
if (inRaster == null)
{
return null;
}
else
{
IFunctionRasterDataset trd = createIdentityRaster(inRaster);
IRasterFunction rsFunc = new IdentityFunctionClass();
rsFunc.Bind(trd);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
rsFunc.PixelType = pType;
//rsFunc.Update();
frDset.Init(rsFunc, trd);
return frDset;
}
}
public IFunctionRasterDataset createIdentityRaster(object inRaster)
{
if (inRaster == null)
{
return null;
}
else
{
if (inRaster is string)
{
string oStr;
inRaster = openRasterDataset(inRaster.ToString(), out oStr);
if (inRaster == null) return null;
}
else if (inRaster is FunctionRasterDataset)
{
inRaster = (IRasterDataset)inRaster;
}
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = (IRasterFunction)new IdentityFunctionClass();
frDset.Init(rsFunc, inRaster);
return frDset;
}
}
/// <summary>
/// performs a convolution analysis for a defined kernel
/// </summary>
/// <param name="inRaster"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="kn"></param>
/// <returns></returns>
public IFunctionRasterDataset convolutionRasterFunction(object inRaster, int width, int height, double[] kn)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new ConvolutionFunctionClass();
IFunctionRasterDataset rs = createIdentityRaster(inRaster,rstPixelType.PT_FLOAT);
IConvolutionFunctionArguments args = new ConvolutionFunctionArgumentsClass();
args.Raster = rs;
args.Rows = width;
args.Columns = height;
IDoubleArray dbArry = new DoubleArrayClass();
foreach (double d in kn)
{
dbArry.Add(d);
}
args.Kernel = dbArry;
args.Type = esriRasterFilterTypeEnum.esriRasterFilterUserDefined;
frDset.Init(rsFunc, args);
IFunctionRasterDataset outFrDset = frDset;
if (width > 3 || height > 3)
{
double cSizeX = frDset.RasterInfo.CellSize.X;
double cSizeY = frDset.RasterInfo.CellSize.Y;
double addY = 0;
double addX = 0;
if (width > 3)
{
addX = (((width + 1) / 2) - 2) * cSizeX;
}
if (height > 3)
{
addY = -1 * (((height + 1) / 2) - 2) * cSizeY;
}
outFrDset = shiftRasterFunction(frDset, addX, addY);
}
return outFrDset;
}
public IFunctionRasterDataset constantRasterFunction(IRaster template, IEnvelope NewExtent, double rasterValue, IPnt cellSize)
{
IFunctionRasterDataset tDset = createIdentityRaster(template, rstPixelType.PT_FLOAT);
IConstantFunctionArguments rasterFunctionArguments = (IConstantFunctionArguments)new ConstantFunctionArguments();
rasterFunctionArguments.Constant = rasterValue;
IRasterInfo rsInfo = tDset.RasterInfo;
rsInfo.NativeExtent = NewExtent;
rsInfo.Extent = NewExtent;
rsInfo.CellSize = cellSize;
rasterFunctionArguments.RasterInfo = rsInfo;
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new ConstantFunction();
frDset.Init(rsFunc, rasterFunctionArguments);
IRasterInfo2 rsInfo2 = (IRasterInfo2)frDset.RasterInfo;
IRasterStatistics rsStats = new RasterStatisticsClass();
rsStats.Mean = rasterValue;
rsStats.Maximum = rasterValue;
rsStats.Minimum = rasterValue;
rsStats.StandardDeviation = rasterValue;
rsStats.SkipFactorX = 1;
rsStats.SkipFactorY = 1;
rsStats.IsValid = true;
for (int i = 0; i < rsInfo2.BandCount; i++)
{
rsInfo2.set_Statistics(i, rsStats);
}
return frDset;
}
/// <summary>
/// Used as an if then else statement. The condRaster raster is meant to have values of 1 or 0. If a cell within the input raster has a value 1
/// then the cell gets the value of inRaster1's corresponding cell. Otherwise that cell gets the value of the inRaster2's corresponding cell.
/// </summary>
/// <param name="condRaster">string path, IRaster, IRasterDataset thats cell values are 0 or 1</param>
/// <param name="inRaster1">string path, IRaster, IRasterDataset, or a numeric value</param>
/// <param name="inRaster2">string path, IRaster, IRasterDataset, or a numeric value</param>
/// <returns>IRaster</returns>
public IFunctionRasterDataset conditionalRasterFunction(object condRaster, object trueRaster, object falseRaster)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
FunctionRasters.conditionalFunctionDataset rsFunc = new FunctionRasters.conditionalFunctionDataset();
FunctionRasters.conditionalFunctionArguments args = new FunctionRasters.conditionalFunctionArguments(this);
IFunctionRasterDataset conRs = createIdentityRaster(condRaster);
if (conRs==null)
{
Console.WriteLine("Condition Raster must be a raster");
return null;
}
IFunctionRasterDataset iR1, iR2;
if (isNumeric(trueRaster.ToString()) && !isNumeric(falseRaster.ToString()))
{
iR2 = createIdentityRaster(falseRaster,rstPixelType.PT_FLOAT);
iR1 = constantRasterFunction(conRs, System.Convert.ToDouble(trueRaster));
}
else if (isNumeric(falseRaster.ToString()) && !isNumeric(trueRaster.ToString()))
{
iR1 = createIdentityRaster(trueRaster,rstPixelType.PT_FLOAT);
iR2 = constantRasterFunction(conRs, System.Convert.ToDouble(falseRaster));
}
else if (isNumeric(falseRaster.ToString()) && isNumeric(trueRaster.ToString()))
{
iR1 = constantRasterFunction(conRs, System.Convert.ToDouble(trueRaster));
iR2 = constantRasterFunction(conRs, System.Convert.ToDouble(falseRaster));
}
else
{
iR1 = createIdentityRaster(trueRaster, rstPixelType.PT_FLOAT);
iR2 = createIdentityRaster(falseRaster,rstPixelType.PT_FLOAT);
}
args.ConditionalRaster = conRs;
args.TrueRaster = iR1;
args.FalseRaster = iR2;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset setnullToValueFunction(object inRaster, double vl)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new FunctionRasters.nullToValueFunctionDataset();
FunctionRasters.nullToValueFunctionArguments args = new FunctionRasters.nullToValueFunctionArguments(this);
IFunctionRasterDataset IFdset = createIdentityRaster(inRaster);
args.Raster = IFdset;
args.Caching = true;
args.RasterInfo = IFdset.RasterInfo;
args.NewValue = vl;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset getBands(object inRaster, ILongArray lArr)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new ExtractBandFunctionClass();
IExtractBandFunctionArguments args = new ExtractBandFunctionArgumentsClass(); //IExtractBandFunctionArguments2 args = new ExtractBandFunctionArgumentsClass();
args.Raster = createIdentityRaster(inRaster);
//args.MissingBandAction = esriMissingBandAction.esriMissingBandActionFindBestMatch;
args.BandIDs = lArr;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset setValueRangeToNodata(object inRaster,IStringArray sArray)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new MaskFunctionClass();
IMaskFunctionArguments args = new MaskFunctionArgumentsClass(); //IMaskFunctionArguments2 args = new MaskFunctionArgumentsClass();
args.Raster = returnRaster(inRaster);
args.NoDataValues = sArray;
//args.NoDataInterpretation = esriNoDataInterpretation.esriNoDataMatchAll;
frDset.Init(rsFunc, args);
return frDset;
//IRaster rs = returnRaster(inRaster);
//IRasterProps rsProps = (IRasterProps)rs;
//IRasterBandCollection rsBc = (IRasterBandCollection)rs;
//int bCnt = rsBc.Count;
//System.Array noDataArr = (System.Array)rsProps.NoDataValue;
//IRasterBandCollection rsBcOut = new RasterClass();
//for (int i = 0; i < bCnt; i++)
//{
// IRaster brs = getBand(rs, i);
// double noData = System.Convert.ToDouble(noDataArr.GetValue(i));
// IRemapFilter rFilt = new RemapFilterClass();
// foreach (double[] d in minMaxList)
// {
// rFilt.AddClass(d[0], d[1], noData);
// }
// rsBcOut.AppendBands((IRasterBandCollection)calcRemapFunction(brs, rFilt));
//}
//return (IRaster)rsBcOut;
}
public IFunctionRasterDataset localRescalefunction(object inRaster, rasterUtil.localRescaleType op)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = null;
switch (op)
{
case localRescaleType.PrcTile:
rsFunc = new FunctionRasters.localPrctileDataset();
break;
default:
break;
}
FunctionRasters.LocalRescaleFunctionArguments args = new FunctionRasters.LocalRescaleFunctionArguments(this);
IFunctionRasterDataset inRs = createIdentityRaster(inRaster);
args.InRaster = inRs;
frDset.Init(rsFunc, args);
return frDset;
}
/// <summary>
/// performs block summarization
/// </summary>
/// <param name="inRaster"></param>
/// <param name="outWks"></param>
/// <param name="outRsName"></param>
/// <param name="numCells"></param>
/// <returns></returns>
public IFunctionRasterDataset calcAggregationFunction(object inRaster, int cells, focalType statType)
{
IFunctionRasterDataset iR1 = createIdentityRaster(inRaster);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = null;
switch (statType)
{
case focalType.MIN:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperMin();
break;
case focalType.SUM:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperSum();
break;
case focalType.MEAN:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperMean();
break;
case focalType.MODE:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperMode();
break;
case focalType.MEDIAN:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperMedian();
break;
case focalType.VARIANCE:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperVar();
break;
case focalType.STD:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperStd();
break;
case focalType.UNIQUE:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperUnique();
break;
case focalType.ENTROPY:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperEntropy();
break;
case focalType.ASM:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperASM();
break;
default:
rsFunc = new FunctionRasters.NeighborhoodHelper.aggregationHelperMax();
break;
}
FunctionRasters.aggregationFunctionArguments args = new FunctionRasters.aggregationFunctionArguments(this);
args.Cells = cells;
args.InRaster = iR1;
frDset.Init(rsFunc, args);
return frDset;
}
/// <summary>
/// LocalStatistics
/// </summary>
/// <param name="inRaster">string, IRasterDataset, or Raster</param>
/// <returns>IRaster</returns>
public IFunctionRasterDataset localStatisticsfunction(object inRaster, rasterUtil.localType op)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = null;
switch (op)
{
case localType.MAX:
rsFunc = new FunctionRasters.localMaxFunctionDataset();
break;
case localType.MIN:
rsFunc = new FunctionRasters.localMinFunctionDataset();
break;
case localType.SUM:
rsFunc = new FunctionRasters.localSumFunctionDataset();
break;
case localType.MULTIPLY:
rsFunc = new FunctionRasters.localMultiplyFunctionDataset();
break;
case localType.DIVIDE:
rsFunc = new FunctionRasters.localDividFunctionDataset();
break;
case localType.SUBTRACT:
rsFunc = new FunctionRasters.localSubtractFunctionDataset();
break;
case localType.POWER:
rsFunc = new FunctionRasters.localPowFunctionDataset();
break;
case localType.MEAN:
rsFunc = new FunctionRasters.localMeanFunctionDataset();
break;
case localType.VARIANCE:
rsFunc = new FunctionRasters.localVarianceFunctionDataset();
break;
case localType.STD:
rsFunc = new FunctionRasters.localStandardDeviationFunctionDataset();
break;
case localType.MODE:
rsFunc = new FunctionRasters.localModeFunctionDataset();
break;
case localType.MEDIAN:
rsFunc = new FunctionRasters.localMedianFunctionDataset();
break;
case localType.UNIQUE:
rsFunc = new FunctionRasters.localUniqueValuesFunctionDataset();
break;
case localType.ENTROPY:
rsFunc = new FunctionRasters.localEntropyFunctionDataset();
break;
case localType.MAXBAND:
rsFunc = new FunctionRasters.localMaxBandFunction();
break;
case localType.MINBAND:
rsFunc = new FunctionRasters.localMinBandFunction();
break;
case localType.ASM:
rsFunc = new FunctionRasters.localAsmFunctionDataset();
break;
default:
break;
}
FunctionRasters.LocalFunctionArguments args = new FunctionRasters.LocalFunctionArguments(this);
IFunctionRasterDataset inRs = createIdentityRaster(inRaster);
args.InRaster = inRs;
frDset.Init(rsFunc, args);
return frDset;
}
/// <summary>
/// calculates an aspect function
/// </summary>
/// <param name="inRaster"></param>
/// <returns></returns>
public IFunctionRasterDataset calcAspectFunction(IRaster inRaster)
{
IFunctionRasterDataset rRst = createIdentityRaster(inRaster);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new AspectFunctionClass();
frDset.Init(rsFunc, inRaster);
return frDset;
}
/// <summary>
/// creates a mask of valid values (greater than equal to min and less than equal to max)
/// </summary>
/// <param name="inRaster"></param>
/// <param name="BandRanges"></param>
/// <returns></returns>
public IFunctionRasterDataset maskDataRange(object inRaster, double[][] BandRanges)
{
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new MaskFunctionClass();
IMaskFunctionArguments args = new MaskFunctionArgumentsClass();
IDoubleArray dbArray = new DoubleArrayClass();
foreach (double[] d in BandRanges)
{
dbArray.Add(d[0]);
dbArray.Add(d[1]);
}
args.Raster = returnRaster(inRaster);
args.IncludedRanges = dbArray;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset calcClustFunctionKmean(object inRaster, Statistics.dataPrepClusterKmean clus)
{
IFunctionRasterDataset rRst = createIdentityRaster(inRaster);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new FunctionRasters.clusterFunctionKmeanDataset();
FunctionRasters.clusterFunctionArguments args = new FunctionRasters.clusterFunctionArguments(this);
args.InRasterCoefficients = rRst;
args.ClusterModel = clus;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset PixelBlockToRaster(IPixelBlock ValuePb,IPnt TopLeft,object inRasterObject)
{
IFunctionRasterDataset rRst = createIdentityRaster(inRasterObject);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new FunctionRasters.PixelBlockToRasterFunctionDataset();
FunctionRasters.PixelBlockToRasterFunctionArguments args = new FunctionRasters.PixelBlockToRasterFunctionArguments(this);
args.ValuePixelBlock = ValuePb;
args.ValueRaster = rRst;
args.TopLeft = TopLeft;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset calcFocalSampleFunction(object inRaster, HashSet<string> offset, focalType statType)
{
IFunctionRasterDataset iR1 = createIdentityRaster(inRaster);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = null;
switch (statType)
{
case focalType.MIN:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperMin();
break;
case focalType.SUM:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperSum();
break;
case focalType.MEAN:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperMean();
break;
case focalType.MODE:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperMode();
break;
case focalType.MEDIAN:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperMedian();
break;
case focalType.VARIANCE:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperVariance();
break;
case focalType.STD:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperStd();
break;
case focalType.UNIQUE:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperUnique();
break;
case focalType.ENTROPY:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperEntropy();
break;
case focalType.ASM:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperASM();
break;
default:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalSampleHelperMax();
break;
}
FunctionRasters.focalSampleArguments args = new FunctionRasters.focalSampleArguments(this);
args.OffSets = offset;
args.Operation = statType;
//args.WindowType = windowType.RECTANGLE;
args.InRaster = iR1;
frDset.Init(rsFunc, args);
return frDset;
}
/// <summary>
/// defines unique regions using a 4 neighbor window
/// </summary>
/// <param name="inRaster"></param>
/// <param name="wks"></param>
/// <param name="outName"></param>
/// <returns></returns>
public IFunctionRasterDataset regionGroup(object inRaster)
{
IFunctionRasterDataset iR1 = createIdentityRaster(inRaster);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new FunctionRasters.regionGroupFunctionDataset();
FunctionRasters.regionGroupFunctionArguments args = new FunctionRasters.regionGroupFunctionArguments(this);
args.InRaster = iR1;
frDset.Init(rsFunc, args);
return frDset;
}
/// <summary>
/// Will perform a focal raster operation on an input raster all bands
/// </summary>
/// <param name="inRaster">either IRaster, IRasterDataset, or a valid path pointing to a raster</param>
/// <param name="radius">number of cells that make up the radius of a circle</param>
/// <param name="statType">the type of opporation</param>
/// <returns>a IRaster that can be used for further analysis</returns>
public IFunctionRasterDataset calcFocalStatisticsFunction(object inRaster, int radius, focalType statType)
{
IFunctionRasterDataset iR1 = createIdentityRaster(inRaster);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = null;
List<int[]> outLst = new List<int[]>();
int[,] crl = null;
double[] cArr = null;
double sumCircle = 0;
switch (statType)
{
case focalType.MIN:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperMin();
break;
case focalType.SUM:
crl = createFocalWindowCircle(radius, out outLst);
cArr = (from int i in crl select System.Convert.ToDouble(i)).ToArray();
return convolutionRasterFunction(iR1,crl.GetUpperBound(0)+1,crl.GetUpperBound(1)+1,cArr);
case focalType.MEAN:
crl = createFocalWindowCircle(radius, out outLst);
sumCircle = (from int i in crl select System.Convert.ToDouble(i)).Sum();
cArr = (from int i in crl select System.Convert.ToDouble(i)).ToArray();
IFunctionRasterDataset conRsMean = convolutionRasterFunction(iR1, crl.GetUpperBound(0) + 1, crl.GetUpperBound(1) + 1, cArr);
return calcArithmaticFunction(conRsMean, sumCircle, esriRasterArithmeticOperation.esriRasterDivide);
case focalType.MODE:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperMode();
break;
case focalType.MEDIAN:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperMedian();
break;
case focalType.VARIANCE:
crl = createFocalWindowCircle(radius, out outLst);
cArr = (from int i in crl select System.Convert.ToDouble(i)).ToArray();
double sumCr = cArr.Sum();
IFunctionRasterDataset rs2 = calcMathRasterFunction(iR1, transType.SQUARED);
IFunctionRasterDataset sumRs2 = convolutionRasterFunction(rs2, crl.GetUpperBound(0) + 1, crl.GetUpperBound(1) + 1, cArr);
IFunctionRasterDataset sumRs2M = calcArithmaticFunction(sumRs2, sumCr, esriRasterArithmeticOperation.esriRasterDivide);
IFunctionRasterDataset sumRs = convolutionRasterFunction(iR1, crl.GetUpperBound(0) + 1, crl.GetUpperBound(1) + 1, cArr);
IFunctionRasterDataset sumRsSquared = calcMathRasterFunction(sumRs, transType.SQUARED);
IFunctionRasterDataset difRs = calcArithmaticFunction(sumRsSquared, sumRs2, esriRasterArithmeticOperation.esriRasterMinus);
return calcArithmaticFunction(difRs, sumCr, esriRasterArithmeticOperation.esriRasterDivide);
case focalType.STD:
IRaster var = createRaster(calcFocalStatisticsFunction(iR1, radius, focalType.VARIANCE));
return calcMathRasterFunction(var, transType.SQRT);
case focalType.UNIQUE:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperUnique();
break;
case focalType.ENTROPY:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperEntropy();
break;
case focalType.ASM:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperProbability();
break;
default:
rsFunc = new FunctionRasters.NeighborhoodHelper.focalHelperMax();
break;
}
FunctionRasters.FocalFunctionArguments args = new FunctionRasters.FocalFunctionArguments(this);
args.Radius = radius;
args.InRaster = iR1;
args.Operation = statType;
frDset.Init(rsFunc, args);
return frDset;
}
public IFunctionRasterDataset reScaleRasterFunction(object inRaster,rstPixelType pType,esriRasterStretchType stretchType)
{
IFunctionRasterDataset iR1 = createIdentityRaster(inRaster);
calcStatsAndHist(iR1);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new StretchFunction();
rsFunc.PixelType = pType;
//IRasterProps rsProps = (IRasterProps)iR1;
//rsFunc.RasterInfo.Extent = rsProps.Extent;
//rsFunc.RasterInfo.CellSize = getCellSize(iR1);
IStretchFunctionArguments args = new StretchFunctionArgumentsClass();
args.Raster = iR1;
args.StretchType = stretchType;
frDset.Init(rsFunc, args);
//frDset.Simplify();
return frDset;
}
/// <summary>
/// Parse the RPC parameters file associated with the image and create an RPCXform
/// to bea applied to the inputDataset as a geomtric function.
/// </summary>
/// <param name="rpcPath">Path to the rpc parameters file.</param>
/// <param name="inputDataset">Input dataset to apply the xform on.</param>
/// <returns>Function raster dataset created.</returns>
private IFunctionRasterDataset ApplyRPC(string rpcPath, IRasterDataset inputDataset)
{
IFunctionRasterDataset opFrd = null;
try
{
// Open the RPC file and create Geometric transform
IGeodataXform finalXForm = null;
IRPCXform rpcXForm = GetRPCXForm(rpcPath);
IFunctionRasterDataset idFrd = null;
if (!(inputDataset is IFunctionRasterDataset))
{
IRasterFunction identityFunction = new IdentityFunctionClass();
idFrd = new FunctionRasterDatasetClass();
idFrd.Init(identityFunction, inputDataset);
}
else
idFrd = (IFunctionRasterDataset)inputDataset;
IRasterInfo datasetRasterInfo = idFrd.RasterInfo;
IEnvelope datasetExtent = datasetRasterInfo.Extent;
ISpatialReference datasetSrs = ((IGeoDataset)idFrd).SpatialReference;
long dRows = datasetRasterInfo.Height;
long dCols = datasetRasterInfo.Width;
IEnvelope pixelExtent = new EnvelopeClass();
pixelExtent.PutCoords(-0.5, 0.5 - dRows, -0.5 + dCols, 0.5);
bool noAffineNeeded = ((IClone)pixelExtent).IsEqual((IClone)datasetExtent);
if (!noAffineNeeded)
{
// Tranform ground space to pixel space.
IAffineTransformation2D affineXform = new AffineTransformation2DClass();
affineXform.DefineFromEnvelopes(datasetExtent, pixelExtent);
IGeometricXform geoXform = new GeometricXformClass();
geoXform.Transformation = affineXform;
finalXForm = geoXform;
}
// Transform from pixel space back to ground space to set as the forward transform.
IEnvelope groundExtent = ((IGeoDataset)idFrd).Extent;
groundExtent.Project(datasetSrs);
IAffineTransformation2D affineXform2 = new AffineTransformation2DClass();
affineXform2.DefineFromEnvelopes(pixelExtent, groundExtent);
IGeometricXform forwardXForm = new GeometricXformClass();
forwardXForm.Transformation = affineXform2;
rpcXForm.ForwardXform = forwardXForm;
// Create the composite transform that changes ground values to pixel space
// then applies the rpc transform which will transform them back to ground space.
ICompositeXform compositeXForm = new CompositeXformClass();
compositeXForm.Add(finalXForm);
compositeXForm.Add(rpcXForm);
finalXForm = (IGeodataXform)compositeXForm;
// Then apply the transform on the raster using the geometric function.
if (finalXForm != null)
{
IRasterFunction geometricFunction = new GeometricFunctionClass();
IGeometricFunctionArguments geometricFunctionArgs = null;
// Get the geomtric function arguments if supplied by the user (in the UI).
if (myRasterTypeOperation != null &&
((IRasterTypeProperties)myRasterTypeOperation).OrthorectificationParameters != null)
geometricFunctionArgs =
((IRasterTypeProperties)myRasterTypeOperation).OrthorectificationParameters;
else
geometricFunctionArgs = new GeometricFunctionArgumentsClass();
// Append the xform to the existing ones from the image.
geometricFunctionArgs.AppendGeodataXform = true;
geometricFunctionArgs.GeodataXform = finalXForm;
geometricFunctionArgs.Raster = inputDataset;
opFrd = new FunctionRasterDatasetClass();
opFrd.Init(geometricFunction, geometricFunctionArgs);
}
return opFrd;
}
catch (Exception exc)
{
string error = exc.Message;
return opFrd;
}
}
/// <summary>
/// Clips a raster to the boundary of a polygon
/// </summary>
/// <param name="inRaster">IRaster, IRasterDataset, or string</param>
/// <param name="geo">Polygon Geometry</param>
/// <param name="clipType">the type of clip either inside or outside</param>
/// <returns></returns>
public IFunctionRasterDataset clipRasterFunction(object inRaster, IGeometry geo, esriRasterClippingType clipType)
{
IFunctionRasterDataset rRst = createIdentityRaster(inRaster);
IRaster2 rRst2 = (IRaster2)createRaster(rRst);
string tempAr = funcDir + "\\" + FuncCnt + ".afr";
IFunctionRasterDataset frDset = new FunctionRasterDatasetClass();
IFunctionRasterDatasetName frDsetName = new FunctionRasterDatasetNameClass();
frDsetName.FullName = tempAr;
frDset.FullName = (IName)frDsetName;
IRasterFunction rsFunc = new ClipFunctionClass();
IEnvelope env = geo.Envelope;
double hX = rRst.RasterInfo.CellSize.X / 2;
double hY = rRst.RasterInfo.CellSize.Y / 2;
double xMin = env.XMin;
double xMax = env.XMax;
double yMin = env.YMin;
double yMax = env.YMax;
int clm, rw;
rRst2.MapToPixel(xMin, yMin,out clm,out rw);
rRst2.PixelToMap(clm, rw, out xMin, out yMin);
xMin = xMin - hX;
yMin = yMin - hY;
rRst2.MapToPixel(xMax, yMax, out clm, out rw);
rRst2.PixelToMap(clm, rw, out xMax, out yMax);
xMax = xMax + hX;
yMax = yMax + hY;
env.PutCoords(xMin, yMin, xMax, yMax);
IClipFunctionArguments args = new ClipFunctionArgumentsClass();
args.Extent = env;
args.ClippingGeometry = geo;
args.ClippingType = clipType;
args.Raster = rRst;
frDset.Init(rsFunc, args);
return frDset;
}
