public void Bind(object pArgument)
{
if (pArgument is conditionalFunctionArguments)
{
conditionalFunctionArguments args = (conditionalFunctionArguments)pArgument;
coefRs = args.CoefRaster;
outRs = args.OutRaster;
myFunctionHelper.Bind(outRs);
myFunctionHelperCoef.Bind(coefRs);
myRasterInfo = myFunctionHelper.RasterInfo;
myPixeltype = myRasterInfo.PixelType;
myValidFlag = true;
}
else
{
throw new System.Exception("Incorrect arguments object. Expected: Conditional arguments");
}
}
/// <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;
}
