public static IFeature FindNextStartingFeature(IGeometry RegionGeometry)
{
List <DistanceFeatureClass> DistFeatureList = new List <DistanceFeatureClass>();
IEnumLayer pEnumLayer = Form1.pMap.Layers;
ILayer pLayer;
IFeatureSelection pFeatureSelection = null;
IWorkspaceFactory workspaceFactory = new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactoryClass();
IWorkspace workspace = workspaceFactory.OpenFromFile(System.IO.Path.GetTempPath(), 0);
IFeatureWorkspace featureWorkspace = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)workspace; // Explict Cast
IFeatureClass featureClass = featureWorkspace.OpenFeatureClass("Temp_ConcaveHull");
IFeatureCursor AllRegionFeatureCursor = featureClass.Search(null, false);
IFeature AllRegionFeature = AllRegionFeatureCursor.NextFeature();
IGeometry AllRegionGeometry = AllRegionFeature.Shape;
IPolygon polygon = (IPolygon)AllRegionGeometry;
IGeometryCollection pGeomColl = (IGeometryCollection)polygon;
IGeometryCollection AllRegionPolyline = new PolylineClass();
ISegmentCollection PsegPath = null;
object obj = Type.Missing;
for (int k = 0; k < pGeomColl.GeometryCount; k++)
{
PsegPath = new ESRI.ArcGIS.Geometry.PathClass();
PsegPath.AddSegmentCollection((ISegmentCollection)pGeomColl.get_Geometry(k));
AllRegionPolyline.AddGeometry((IGeometry)PsegPath, ref obj, ref obj);
}
IPolyline pPolyline = (IPolyline)AllRegionPolyline;
//MessageBox.Show("..." + pPolyline.Length, "hi");
//polygon.
for (int i = 0; i < Form1.pMap.LayerCount; i++)
{
pLayer = pEnumLayer.Next();
if (pLayer.Name.Equals(Form1.OperationLayer))
{
IFeatureLayer pFeatureLayer = (IFeatureLayer)pLayer;
pFeatureSelection = (IFeatureSelection)pFeatureLayer;
}
}
ISpatialFilter pSpatialFilter = new SpatialFilter();
pSpatialFilter.GeometryField = "SHAPE";
pSpatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
pSpatialFilter.WhereClause = "SpltGropus = 0";
ITopologicalOperator pTopologicalOperator = (ITopologicalOperator)RegionGeometry;
IPolygon pPolygon = (IPolygon)pTopologicalOperator.Buffer(5);
pSpatialFilter.Geometry = pPolygon;
pFeatureSelection.SelectFeatures(pSpatialFilter, esriSelectionResultEnum.esriSelectionResultAdd, false);
ISelectionSet pSelectionSet = pFeatureSelection.SelectionSet;
IQueryFilter pQueryFilter = new QueryFilter();
pQueryFilter.WhereClause = "SpltGropus = 0";
ICursor pCursor;
pSelectionSet.Search(pQueryFilter, false, out pCursor);
IFeatureCursor pFeatureCursor = (IFeatureCursor)pCursor;
IFeature pFeature = pFeatureCursor.NextFeature();
//sorting the feature according to the distance of the RerionGeometry
while (pFeature != null)
{
IProximityOperator pProxOper = (IProximityOperator)pFeature.Shape;
double distance = pProxOper.ReturnDistance(RegionGeometry);
DistanceFeatureClass DistFeature = new DistanceFeatureClass(distance, pFeature);
DistFeatureList.Add(DistFeature);
pFeature = pFeatureCursor.NextFeature();
}
DistFeatureList = DistFeatureList.OrderBy(a => a.getDistance()).ToList();
IRelationalOperator AllRegionFeatureGeom = (IRelationalOperator)pPolyline;
IFeature ReturnFeature = null;
for (int j = 0; j < DistFeatureList.Count; j++)
{
//IRelationalOperator RegionFeatureGeom = (IRelationalOperator)DistFeatureList[j].getFeature().Shape;
//MessageBox.Show("..." + AllRegionFeatureGeom.Touches(DistFeatureList[j].getFeature().Shape), "hi");
if (AllRegionFeatureGeom.Touches(DistFeatureList[j].getFeature().Shape) == true)
{
ReturnFeature = DistFeatureList[j].getFeature();
break;
}
}
//MessageBox.Show("..." + ReturnFeature.OID, "hi");
return(ReturnFeature);
}
public static void MakeDistanceArray(IFeature InputFeature, int GruopID)
{
List <DistanceFeatureClass> DistFeatureList = new List <DistanceFeatureClass>();
IEnumLayer pEnumLayer = Form1.pMap.Layers;
ILayer pLayer;
for (int i = 0; i < Form1.pMap.LayerCount; i++)
{
pLayer = pEnumLayer.Next();
if (pLayer.Name.Equals(Form1.OperationLayer))
{
IFeatureLayer2 pFeatureLayer = (IFeatureLayer2)pLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IQueryFilter pQueryFilter = new QueryFilter();
pQueryFilter.WhereClause = "SpltGropus = 0";
IFeatureCursor pFeatureCursor = pFeatureClass.Search(pQueryFilter, false);
IFeature CheckFeature = pFeatureCursor.NextFeature();
while (CheckFeature != null)
{
IProximityOperator pProxOper = (IProximityOperator)CheckFeature.Shape;
double distance = pProxOper.ReturnDistance(InputFeature.Shape);
CheckFeature.set_Value(CheckFeature.Fields.FindField("Distance"), distance);
CheckFeature.Store();
DistanceFeatureClass DistFeature = new DistanceFeatureClass(distance, CheckFeature);
DistFeatureList.Add(DistFeature);
CheckFeature = pFeatureCursor.NextFeature();
}
DistFeatureList = DistFeatureList.OrderBy(a => a.getDistance()).ToList();
double formarValue = 0;
double addValue = 0;
for (int j = 0; j < DistFeatureList.Count; j++)
{
//MessageBox.Show("..." + Form1.Group.getCalculatedSplitValue() + "..." + Form1.EqualPartValue, "hi");
if (Form1.GroupIDTotalList[GruopID - 1].getCalculatedSplitValue() < Form1.EqualPartValue)
{
formarValue = Form1.GroupIDTotalList[GruopID - 1].getCalculatedSplitValue();
addValue = Convert.ToDouble(DistFeatureList[j].getFeature().get_Value(DistFeatureList[j].getFeature().Fields.FindField(Form1.OperationAttribute)));
DistFeatureList[j].getFeature().set_Value(DistFeatureList[j].getFeature().Fields.FindField("SpltGropus"), GruopID);
DistFeatureList[j].getFeature().Store();
Form1.GroupIDTotalList[GruopID - 1].setCalculatedSplitValue(formarValue + addValue);
}
//Form1.Group.setCalculatedSplitValue(DistFeatureList[j].getFeature().get_Value(DistFeatureList[j].getFeature().Fields.FindField("SpltGropus")));
//DistFeatureList[j].set_Value(FeatureList[j].Fields.FindField("SpltGropus"), 10);
//FeatureList[j].Store();
//MessageBox.Show("..." + DistFeatureList[j].getDistance(), "hi");
}
Form1.RegionFormed = Form1.RegionFormed + 1;
//MessageBox.Show("..." + ((Form1.NoOfSplit - 1) == Form1.RegionFormed), "hi");
if ((Form1.NoOfSplit - 1) == Form1.RegionFormed)
{
IGeoFeatureLayer pGeoFetLayer = (IGeoFeatureLayer)pLayer;
Symbology.DefineUniqueValueRenderer(pGeoFetLayer, "SpltGropus");
}
//Creating convexhull of the generated region ??? if does not work you have to make the concave hull??
IQueryFilter RegionQueryFilter = new QueryFilter();
RegionQueryFilter.WhereClause = "SpltGropus = " + GruopID;
IFeatureCursor RegionFeatureCursor = pFeatureClass.Search(RegionQueryFilter, false);
Form1.RegionGeomtry = StaticMethodsClass.CreateConvexHull(RegionFeatureCursor);
//IFeature dd = pFeatureClass.CreateFeature();
//dd.Shape = pPol;
//dd.set_Value(dd.Fields.FindField("SpltGropus"), GruopID);
//dd.Store();
//IActiveView activeView = Form1.pMap as IActiveView;
//activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
//MessageBox.Show("...", "hi");
//
//MessageBox.Show("..." , "hi");
}
}
}
