//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);
}
private void splitFeature(IPolygon4 subPoly, ref HashSet <IPolygon4>[] polys)
{
IRaster clipRs = rsUtil.createRaster(rsUtil.clipRasterFunction(inputRaster, subPoly, esriRasterClippingType.esriRasterClippingOutside));
esriUtil.Statistics.dataPrepClusterBinary dpClus = new Statistics.dataPrepClusterBinary(clipRs, specificity, 100000, 0.001);
IFunctionRasterDataset clusRs = rsUtil.calcClustFunctionBinary(inputRaster, dpClus);
IFunctionRasterDataset clipRs2 = rsUtil.clipRasterFunction(clusRs, subPoly, esriRasterClippingType.esriRasterClippingOutside);
IRasterDomainExtractor domExtract = new RasterDomainExtractorClass();
for (int i = 0; i < specificity; i++)
{
IFunctionRasterDataset bRs = rsUtil.calcEqualFunction(clipRs2, i);
IRaster mRs = rsUtil.createRaster(rsUtil.setNullValue(bRs, 0));
IPolygon4 poly = (IPolygon4)domExtract.ExtractDomain(mRs, false);
IGeometryBag geoBag = poly.ConnectedComponentBag;
IGeometryCollection geoColl = (IGeometryCollection)geoBag;
for (int j = 0; j < geoColl.GeometryCount; j++)
{
IPolygon4 sp = (IPolygon4)geoColl.get_Geometry(j);
double subPolyArea = ((IArea)sp).Area;
//double subPolyLength = subPoly.Length;
if (subPolyArea > maxArea)
{
splitFeature(sp, ref polys); // should split polygons. smaller than acceptable go into polys[0] ok go into polys[1]
}
else if (subPolyArea < minArea)
{
polys[0].Add(sp);
}
else
{
polys[1].Add(sp);
}
//segid++;
}
}
}
private void extractDomains(IRaster clusRs, Statistics.dataPrepClusterBinary dpClus)
{
if (outftr == null)
{
mfldIndex = new int[bCnt];
segIndex = 0;
IFields flds = new FieldsClass();
IFieldsEdit fldsE = (IFieldsEdit)flds;
IField fld = new FieldClass();
IFieldEdit fldE = (IFieldEdit)fld;
fldE.Name_2 = "SegID";
fldE.Type_2 = esriFieldType.esriFieldTypeInteger;
fldsE.AddField(fldE);
//IField fld2 = new FieldClass();
//IFieldEdit fldE2 = (IFieldEdit)fld2;
//fldE2.Name_2 = "Cluster";
//fldE2.Type_2 = esriFieldType.esriFieldTypeInteger;
//fldsE.AddField(fldE2);
//for (int i = 0; i < bCnt; i++)
//{
// IField mFld = new FieldClass();
// IFieldEdit mFldE = (IFieldEdit)mFld;
// mFldE.Name_2 = "Band" + i.ToString();
// mFldE.Type_2 = esriFieldType.esriFieldTypeDouble;
// fldsE.AddField(mFld);
//}
outftr = geoUtil.createFeatureClass((IWorkspace2)OutWorkSpace, OutName, flds, esriGeometryType.esriGeometryPolygon, ((IRasterProps)clusRs).SpatialReference);
segIndex = outftr.FindField("SegID");
//clustIndex = outftr.FindField("Cluster");
//for (int i = 0; i < bCnt; i++)
//{
// mfldIndex[i] = outftr.FindField("Band" + i.ToString());
//}
}
IRasterDomainExtractor domExtract = new RasterDomainExtractorClass();
IRasterProps rsp = (IRasterProps)clusRs;
IRasterCursor rsCur = ((IRaster2)clusRs).CreateCursorEx(null);
IPnt cellSizeRs = rsp.MeanCellSize();
double pSizeX = cellSizeRs.X;
double pSizeY = cellSizeRs.Y;
int blockCnt = 1;
do
{
IPixelBlock pb = rsCur.PixelBlock;
IFunctionRasterDataset fDset = rsUtil.PixelBlockToRaster(pb, rsCur.TopLeft, clusRs);
Console.WriteLine(blockCnt);
//rsUtil.saveRasterToDataset(rsUtil.createRaster(fDset), "bTest"+blockCnt.ToString(), OutWorkSpace);
HashSet <IPolygon4>[] polys = new HashSet <IPolygon4> [2];//small,good polygons
for (int h = 0; h < 2; h++)
{
polys[h] = new HashSet <IPolygon4>();
}
for (int i = 0; i < specificity; i++)
{
//double[] means = ((Accord.MachineLearning.BinarySplit)dpClus.Model).Clusters[i].Mean;
IFunctionRasterDataset bRs = rsUtil.calcEqualFunction(fDset, i);
IRaster mRs = rsUtil.createRaster(rsUtil.setNullValue(bRs, 0));
IPolygon4 poly = (IPolygon4)domExtract.ExtractDomain(mRs, false);
IGeometryBag geoBag = poly.ConnectedComponentBag;
IGeometryCollection geoColl = (IGeometryCollection)geoBag;
for (int j = 0; j < geoColl.GeometryCount; j++)
{
IPolygon4 subPoly = (IPolygon4)geoColl.get_Geometry(j);
double subPolyArea = ((IArea)subPoly).Area;
double subPolyLength = subPoly.Length;
if (subPolyArea > maxArea)
{
splitFeature(subPoly, ref polys); // should split polygons. smaller than acceptable go into polys[0] ok go into polys[1]
}
else if (subPolyArea < minArea)
{
polys[0].Add(subPoly);
}
else
{
polys[1].Add(subPoly);
}
//segid++;
}
//addToNeighboringFeature(ref polys);
IFeatureCursor ftrCur = outftr.Insert(true);
IFeatureBuffer nFtr = outftr.CreateFeatureBuffer();
Console.WriteLine("\tFTR Count small " + polys[0].Count.ToString());
Console.WriteLine("\tFTR Count big " + polys[1].Count.ToString());
foreach (IPolygon4 p in polys[1])
{
nFtr.Shape = (IGeometry)p;
nFtr.set_Value(segIndex, segid);
ftrCur.InsertFeature(nFtr);
segid++;
}
foreach (IPolygon p in polys[0])
{
nFtr.Shape = (IGeometry)p;
nFtr.set_Value(segIndex, segid);
ftrCur.InsertFeature(nFtr);
segid++;
}
ftrCur.Flush();
System.Runtime.InteropServices.Marshal.ReleaseComObject(nFtr);
System.Runtime.InteropServices.Marshal.ReleaseComObject(ftrCur);
}
blockCnt++;
} while (rsCur.Next() == true);
System.Runtime.InteropServices.Marshal.ReleaseComObject(rsCur);
}
private void splitFeature(IPolygon4 subPoly, ref HashSet<IPolygon4>[] polys)
{
IRaster clipRs = rsUtil.createRaster(rsUtil.clipRasterFunction(inputRaster, subPoly, esriRasterClippingType.esriRasterClippingOutside));
esriUtil.Statistics.dataPrepClusterBinary dpClus = new Statistics.dataPrepClusterBinary(clipRs, specificity,100000,0.001);
IFunctionRasterDataset clusRs = rsUtil.calcClustFunctionBinary(inputRaster, dpClus);
IFunctionRasterDataset clipRs2 = rsUtil.clipRasterFunction(clusRs, subPoly, esriRasterClippingType.esriRasterClippingOutside);
IRasterDomainExtractor domExtract = new RasterDomainExtractorClass();
for (int i = 0; i < specificity; i++)
{
IFunctionRasterDataset bRs = rsUtil.calcEqualFunction(clipRs2, i);
IRaster mRs = rsUtil.createRaster(rsUtil.setNullValue(bRs, 0));
IPolygon4 poly = (IPolygon4)domExtract.ExtractDomain(mRs, false);
IGeometryBag geoBag = poly.ConnectedComponentBag;
IGeometryCollection geoColl = (IGeometryCollection)geoBag;
for (int j = 0; j < geoColl.GeometryCount; j++)
{
IPolygon4 sp = (IPolygon4)geoColl.get_Geometry(j);
double subPolyArea = ((IArea)sp).Area;
//double subPolyLength = subPoly.Length;
if (subPolyArea > maxArea)
{
splitFeature(sp, ref polys); // should split polygons. smaller than acceptable go into polys[0] ok go into polys[1]
}
else if (subPolyArea < minArea)
{
polys[0].Add(sp);
}
else
{
polys[1].Add(sp);
}
//segid++;
}
}
}
private void extractDomains(IRaster clusRs, Statistics.dataPrepClusterBinary dpClus)
{
if (outftr == null)
{
mfldIndex=new int[bCnt];
segIndex = 0;
IFields flds = new FieldsClass();
IFieldsEdit fldsE = (IFieldsEdit)flds;
IField fld = new FieldClass();
IFieldEdit fldE = (IFieldEdit)fld;
fldE.Name_2 = "SegID";
fldE.Type_2 = esriFieldType.esriFieldTypeInteger;
fldsE.AddField(fldE);
//IField fld2 = new FieldClass();
//IFieldEdit fldE2 = (IFieldEdit)fld2;
//fldE2.Name_2 = "Cluster";
//fldE2.Type_2 = esriFieldType.esriFieldTypeInteger;
//fldsE.AddField(fldE2);
//for (int i = 0; i < bCnt; i++)
//{
// IField mFld = new FieldClass();
// IFieldEdit mFldE = (IFieldEdit)mFld;
// mFldE.Name_2 = "Band" + i.ToString();
// mFldE.Type_2 = esriFieldType.esriFieldTypeDouble;
// fldsE.AddField(mFld);
//}
outftr = geoUtil.createFeatureClass((IWorkspace2)OutWorkSpace, OutName, flds, esriGeometryType.esriGeometryPolygon, ((IRasterProps)clusRs).SpatialReference);
segIndex = outftr.FindField("SegID");
//clustIndex = outftr.FindField("Cluster");
//for (int i = 0; i < bCnt; i++)
//{
// mfldIndex[i] = outftr.FindField("Band" + i.ToString());
//}
}
IRasterDomainExtractor domExtract = new RasterDomainExtractorClass();
IRasterProps rsp = (IRasterProps)clusRs;
IRasterCursor rsCur = ((IRaster2)clusRs).CreateCursorEx(null);
IPnt cellSizeRs = rsp.MeanCellSize();
double pSizeX = cellSizeRs.X;
double pSizeY = cellSizeRs.Y;
int blockCnt = 1;
do
{
IPixelBlock pb = rsCur.PixelBlock;
IFunctionRasterDataset fDset = rsUtil.PixelBlockToRaster(pb, rsCur.TopLeft, clusRs);
Console.WriteLine(blockCnt);
//rsUtil.saveRasterToDataset(rsUtil.createRaster(fDset), "bTest"+blockCnt.ToString(), OutWorkSpace);
HashSet<IPolygon4>[] polys = new HashSet<IPolygon4>[2];//small,good polygons
for (int h = 0; h < 2; h++)
{
polys[h] = new HashSet<IPolygon4>();
}
for (int i = 0; i < specificity; i++)
{
//double[] means = ((Accord.MachineLearning.BinarySplit)dpClus.Model).Clusters[i].Mean;
IFunctionRasterDataset bRs = rsUtil.calcEqualFunction(fDset, i);
IRaster mRs = rsUtil.createRaster(rsUtil.setNullValue(bRs, 0));
IPolygon4 poly = (IPolygon4)domExtract.ExtractDomain(mRs, false);
IGeometryBag geoBag = poly.ConnectedComponentBag;
IGeometryCollection geoColl = (IGeometryCollection)geoBag;
for (int j = 0; j < geoColl.GeometryCount; j++)
{
IPolygon4 subPoly = (IPolygon4)geoColl.get_Geometry(j);
double subPolyArea = ((IArea)subPoly).Area;
double subPolyLength = subPoly.Length;
if (subPolyArea > maxArea)
{
splitFeature(subPoly, ref polys); // should split polygons. smaller than acceptable go into polys[0] ok go into polys[1]
}
else if (subPolyArea < minArea)
{
polys[0].Add(subPoly);
}
else
{
polys[1].Add(subPoly);
}
//segid++;
}
//addToNeighboringFeature(ref polys);
IFeatureCursor ftrCur = outftr.Insert(true);
IFeatureBuffer nFtr = outftr.CreateFeatureBuffer();
Console.WriteLine("\tFTR Count small " + polys[0].Count.ToString());
Console.WriteLine("\tFTR Count big " + polys[1].Count.ToString());
foreach (IPolygon4 p in polys[1])
{
nFtr.Shape = (IGeometry)p;
nFtr.set_Value(segIndex, segid);
ftrCur.InsertFeature(nFtr);
segid++;
}
foreach (IPolygon p in polys[0])
{
nFtr.Shape = (IGeometry)p;
nFtr.set_Value(segIndex, segid);
ftrCur.InsertFeature(nFtr);
segid++;
}
ftrCur.Flush();
System.Runtime.InteropServices.Marshal.ReleaseComObject(nFtr);
System.Runtime.InteropServices.Marshal.ReleaseComObject(ftrCur);
}
blockCnt++;
} while (rsCur.Next() == true);
System.Runtime.InteropServices.Marshal.ReleaseComObject(rsCur);
}
//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 IGeometry extractDomain(IRaster rs, bool pCenterbased=false)
{
IRaster rs1 = rs;
if (((IRasterBandCollection)rs1).Count > 1)
{
rs1 = createRaster(getBand(rs, 0));
}
IRasterDomainExtractor dEx = new RasterDomainExtractorClass();
IPolygon poly = dEx.ExtractDomain(rs1,pCenterbased);
return (IGeometry)poly;
}
