//public IFeatureClass createPolygons3()
//{
// createFeatureClass();
//}
public IFeatureClass createPolygons2()
{
createFeatureClass();
IRasterProps rsProp = (IRasterProps)inputRaster;
int bndCnt = ((IRasterBandCollection)inputRaster).Count;
IPnt rsPnt = rsProp.MeanCellSize();
double cellArea = rsPnt.X * rsPnt.Y;
double tCells = minArea / cellArea;
IFunctionRasterDataset sDset = rsUtil.createMeanShiftFuction(inputRaster, (int)tCells);
FunctionRasters.meanShiftFunctionDataset rFunc = (FunctionRasters.meanShiftFunctionDataset)sDset.Function;
IRaster2 rs2 = (IRaster2)rsUtil.createRaster(sDset);
IRasterCursor rsCur = rs2.CreateCursorEx(null);
IRasterDomainExtractor dExt = new RasterDomainExtractorClass();
do
{
IPixelBlock pb = rsCur.PixelBlock;
IFunctionRasterDataset pbDset = rsUtil.PixelBlockToRaster(pb, rsCur.TopLeft, sDset);
IRaster rs = rsUtil.createRaster(pbDset);
int numClusters = rFunc.NumClusters;
for (int c = 0; c < numClusters; c++)
{
IFunctionRasterDataset fd = rsUtil.calcEqualFunction(pbDset, c);
IFunctionRasterDataset fd2 = rsUtil.setNullValue(fd, 0);
IPolygon polys = dExt.ExtractDomain(rsUtil.createRaster(fd2), true);
}
} while (rsCur.Next() == true);
System.Runtime.InteropServices.Marshal.ReleaseComObject(rsCur);
return(outftr);
}
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;
}
