public static double get_polygon_vertices(IPolygon polygon)
{
double vertices = 0;
if (polygon != null)
{
polygon.SnapToSpatialReference();
double x = 0;
double y = 0;
IPoint pt;
int partIndx;
int vertxIndx;
IPointCollection pt_cl = polygon as IPointCollection;
IEnumVertex2 en = pt_cl.EnumVertices as IEnumVertex2;
en.Reset();
en.Next(out pt, out partIndx, out vertxIndx);
while (pt != null)
{
x = x + pt.X - 130000;
y = y + pt.Y - 373600;
vertices = x + y;
en.Next(out pt, out partIndx, out vertxIndx);
}
}
return(vertices);
}
private void btnRun_Click(object sender, EventArgs e)
{
frmProgress pfrmProgress = new frmProgress();
pfrmProgress.Show();
pfrmProgress.lblStatus.Text = "Collecting Information";
int intProgress = 0;
pfrmProgress.bgWorker.ReportProgress(intProgress);
//Get Sample Table setting
string strTableName = txtSampleTable.Text;
if (strTableName == "")
{
return;
}
string strSourceFolder = System.IO.Path.GetDirectoryName(strTableName);
string strSourceFile = System.IO.Path.GetFileName(strTableName);
IWorkspaceFactory workspaceFactory = new ShapefileWorkspaceFactory();
IWorkspace workspace = workspaceFactory.OpenFromFile(strSourceFolder, 0);
IFeatureWorkspace featureWorkspace = workspace as IFeatureWorkspace;
IFeatureClass pFClass = featureWorkspace.OpenFeatureClass(strSourceFile);
//string strXNewFld = "NewRefX";
string strXNewFld = "NewRefX1";
int intXNewFldIdx = pFClass.FindField(strXNewFld);
if (intXNewFldIdx == -1)
{
AddFld(pFClass, strXNewFld, esriFieldType.esriFieldTypeDouble);
intXNewFldIdx = pFClass.FindField(strXNewFld);
}
//string strYNewFld = "NewRefY";
string strYNewFld = "NewRefY1";
int intYNewFldIdx = pFClass.FindField(strYNewFld);
if (intYNewFldIdx == -1)
{
AddFld(pFClass, strYNewFld, esriFieldType.esriFieldTypeDouble);
intYNewFldIdx = pFClass.FindField(strYNewFld);
}
string strFlagFld = "Flag";
int intFlagFldIdx = pFClass.FindField(strFlagFld);
if (intFlagFldIdx == -1)
{
AddFld(pFClass, strFlagFld, esriFieldType.esriFieldTypeSmallInteger);
intFlagFldIdx = pFClass.FindField(strFlagFld);
}
//Get Reference Street file
string strRefStreet = txtRefStreet.Text;
if (strRefStreet == "")
{
return;
}
string strRefSource = System.IO.Path.GetDirectoryName(strRefStreet);
string strRefName = System.IO.Path.GetFileName(strRefStreet);
IWorkspace pwsRef = workspaceFactory.OpenFromFile(strRefSource, 0);
IFeatureWorkspace pfwsRef = pwsRef as IFeatureWorkspace;
IFeatureClass pRefFClass = pfwsRef.OpenFeatureClass(strRefName);
//Get Reference Street File
//string[] addFldNames = new string[] { "JOINID", "Length", "RLMean", "LLMean", "CompassA", "DirMean", "AveX", "AveY", "AveLen" };
List <RefStreetVertices> lstRefStreetInfo = new List <RefStreetVertices>();
//RefStreetInfo pRefStreetInfo = new RefStreetInfo();
//int intInforCnt = addFldNames.Length;
//int[] intInfoIdxs = new int[intInforCnt];
//for (int i = 0; i < intInforCnt; i++)
// intInfoIdxs[i] = pRefFClass.FindField(addFldNames[i]);
int intJoinIDIdx = pRefFClass.FindField("JOINID");
//int intRefStreetCnt = pRefFClass.FeatureCount(null);
IFeatureCursor pRefFCursor = pRefFClass.Search(null, false);
IFeature pRefFeature = pRefFCursor.NextFeature();
while (pRefFeature != null)
{
RefStreetVertices pRefStreetInfo = new RefStreetVertices();
pRefStreetInfo.JoinID = pRefFeature.get_Value(intJoinIDIdx).ToString();
IPolyline pPolyLine = (IPolyline)pRefFeature.ShapeCopy;
IPointCollection pPointCollection = (IPointCollection)pPolyLine;
pRefStreetInfo.pointCollection = pPointCollection;
lstRefStreetInfo.Add(pRefStreetInfo);
pRefFeature = pRefFCursor.NextFeature();
}
int intRefXIdx = pFClass.FindField(cboXRef.Text);
int intRefYIdx = pFClass.FindField(cboYRef.Text);
string strRefID = "Ref_ID";
int intRefIDIdx = pFClass.FindField(strRefID);
IQueryFilter pQFilter = new QueryFilterClass();
//pQFilter.WhereClause = "Status = 'M'";
pQFilter.WhereClause = "Score > 0";
IFeatureCursor pFCursor = pFClass.Update(pQFilter, true);
IFeature pFeature = pFCursor.NextFeature();
int intFlag = 0;
while (pFeature != null)
{
intFlag = 0;
TargetPoint p = new TargetPoint();
p.x = Convert.ToDouble(pFeature.get_Value(intRefXIdx));
p.y = Convert.ToDouble(pFeature.get_Value(intRefYIdx));
string strJoinID = pFeature.get_Value(intRefIDIdx).ToString();
RefStreetVertices pRefStreetVertices = lstRefStreetInfo.Find(x => x.JoinID == strJoinID);
int intVerticeCnt = pRefStreetVertices.pointCollection.PointCount;
List <VerticesDist> lstVerDist = new List <VerticesDist>();
IEnumVertex2 pEnumVertex = pRefStreetVertices.pointCollection.EnumVertices as IEnumVertex2;
pEnumVertex.Reset();
//Get the next vertex
IPoint outVertex;
int partIndex;
int vertexIndex;
pEnumVertex.Next(out outVertex, out partIndex, out vertexIndex);
while (outVertex != null)
{
VerticesDist pVerDist = new VerticesDist();
pVerDist.x = outVertex.X;
pVerDist.y = outVertex.Y;
pVerDist.ID = vertexIndex;
pVerDist.Distance = GetDistance(p.x, p.y, pVerDist.x, pVerDist.y);
lstVerDist.Add(pVerDist);
pEnumVertex.Next(out outVertex, out partIndex, out vertexIndex);
}
int intMinDistIdx = lstVerDist.FindIndex(x => x.Distance == lstVerDist.Min(t => t.Distance));
TargetPoint l1 = new TargetPoint();
l1.x = lstVerDist[intMinDistIdx].x;
l1.y = lstVerDist[intMinDistIdx].y;
TargetPoint l2 = new TargetPoint();
TargetPoint pMovedRefPoint = new TargetPoint();
int intSecondMinDistIdx = 0;
if (intMinDistIdx == 0)
{
intSecondMinDistIdx = intMinDistIdx + 1;
l2.x = lstVerDist[intSecondMinDistIdx].x;
l2.y = lstVerDist[intSecondMinDistIdx].y;
pMovedRefPoint = GetMovedReferencePoint(p, l1, l2);
}
else if (intMinDistIdx == lstVerDist.Count - 1)
{
intSecondMinDistIdx = intMinDistIdx - 1;
l2.x = lstVerDist[intSecondMinDistIdx].x;
l2.y = lstVerDist[intSecondMinDistIdx].y;
pMovedRefPoint = GetMovedReferencePoint(p, l1, l2);
}
else
{
TargetPoint pCandPt1 = new TargetPoint();
TargetPoint pCandPt2 = new TargetPoint();
intSecondMinDistIdx = intMinDistIdx - 1;
l2.x = lstVerDist[intSecondMinDistIdx].x;
l2.y = lstVerDist[intSecondMinDistIdx].y;
pCandPt1 = GetMovedReferencePoint(p, l1, l2);
intSecondMinDistIdx = intMinDistIdx + 1;
l2.x = lstVerDist[intSecondMinDistIdx].x;
l2.y = lstVerDist[intSecondMinDistIdx].y;
if (pCandPt1 == null)
{
pMovedRefPoint = GetMovedReferencePoint(p, l1, l2);
}
else
{
pCandPt2 = GetMovedReferencePoint(p, l1, l2);
if (pCandPt2 != null)
{
double distToCPt1 = GetDistance(p.x, p.y, pCandPt1.x, pCandPt1.y);
double distToCPt2 = GetDistance(p.x, p.y, pCandPt2.x, pCandPt2.y);
if (distToCPt1 > distToCPt2)
{
pMovedRefPoint = pCandPt2;
}
else
{
pMovedRefPoint = pCandPt1;
}
}
else
{
pMovedRefPoint = pCandPt1;
}
}
}
if (pMovedRefPoint == null)
{
pMovedRefPoint = l1;
intFlag = 1;
}
pFeature.set_Value(intXNewFldIdx, pMovedRefPoint.x);
pFeature.set_Value(intYNewFldIdx, pMovedRefPoint.y);
pFeature.set_Value(intFlagFldIdx, intFlag);
pFeature.Store();
pFeature = pFCursor.NextFeature();
}
MessageBox.Show("Done");
////Spatial Reference from Reference dataseat
//IGeoDataset geoDataset = pRefFClass as IGeoDataset;
//ISpatialReference pSpatialRef = geoDataset.SpatialReference;
////Create ShapeFile First
//string strOutput = txtOutput.Text;
//if (strOutput == "")
// return;
//string strOutputSource = System.IO.Path.GetDirectoryName(strOutput);
//string strOutputFile = System.IO.Path.GetFileName(strOutput);
////IFeatureClass pFClass = CreateShapeFile(strOutputSource, strOutputFile, pSpatialRef, esriGeometryType.esriGeometryPoint);
}
