public static IGeometry Project(IGeometry geometry, ProjectionInfo pStart, ProjectionInfo pEnd)
{
var featureSet = new FeatureSet();
featureSet.AddFeature(geometry.ToDotSpatial());
featureSet.Projection = pStart;
featureSet.Reproject(pEnd);
return
GeometryConverter.ToGeoAPI(
((featureSet.Features[0].BasicGeometry as DotSpatial.Topology.IGeometry)));
}
private void createBaseGrid(object sender, EventArgs e)
{
Coordinate[] coord = new Coordinate[4];
double startx = 11252200;
double starty = 1418500;
const int width = 100;
FeatureSet fs = new FeatureSet();
IFeature feature;
// Add Some Columns
fs.DataTable.Columns.Add(new DataColumn("ID", typeof(int)));
fs.DataTable.Columns.Add(new DataColumn("Text", typeof(string)));
fs.DataTable.Columns.Add(new DataColumn("Value", typeof(double)));
Random rnd = new Random();
for (int i = 0; i < 110; i++)
{
for (int j = 0; j < 110; j++)
{
coord[0] = new Coordinate((i * width) + startx, (j * width) + starty);
coord[1] = new Coordinate((i * width) + startx, (j * width) + starty + width);
coord[2] = new Coordinate((i * width) + startx + width, (j * width) + starty + width);
coord[3] = new Coordinate((i * width) + startx + width, (j * width) + starty + 0);
Polygon pg = new Polygon(coord);
feature = fs.AddFeature(pg);
feature.DataRow.BeginEdit();
feature.DataRow["ID"] = j + i * 50;
feature.DataRow["Text"] = "Hello World" + (j + i * 50).ToString();
feature.DataRow["Value"] = (rnd.NextDouble() * 360) ;
feature.DataRow.EndEdit();
}
}
// Add a layer to the map, and we know it is a point layer so cast it specifically.
IMapPolygonLayer polygonLayer = App.Map.Layers.Add(fs) as IMapPolygonLayer;
// Control what the points look like through a symbolizer (or pointLayer.Symbology for categories)
if (polygonLayer != null)
{
polygonLayer.LegendText = "grid point";
//polygonLayer.Symbolizer = new PointSymbolizer(Color.Blue, DotSpatial. );
}
}
public void GetAttributes_WithFieldNames()
{
var fs = new FeatureSet(FeatureType.Point);
fs.DataTable.Columns.Add("Column1");
fs.DataTable.Columns.Add("Column2");
fs.AddFeature(new Point(0, 0));
var fl = new PointLayer(fs);
var target = new IndexSelection(fl);
var attributesTable = target.GetAttributes(0, 1, new[] {"Column1"});
Assert.AreEqual(1, attributesTable.Columns.Count);
Assert.AreEqual("Column1", attributesTable.Columns[0].ColumnName);
}
/// <summary>
/// The Voronoi Graph calculation creates a delaunay tesselation where
/// each point is effectively converted into triangles.
/// </summary>
/// <param name="points">The points to use for creating the tesselation.</param>
/// <returns>The generated line featureset.</returns>
public static IFeatureSet DelaunayLines(IFeatureSet points)
{
double[] vertices = points.Vertex;
VoronoiGraph gp = Fortune.ComputeVoronoiGraph(vertices);
FeatureSet result = new FeatureSet();
foreach (VoronoiEdge edge in gp.Edges)
{
Coordinate c1 = edge.RightData.ToCoordinate();
Coordinate c2 = edge.LeftData.ToCoordinate();
LineString ls = new LineString(new List<Coordinate> { c1, c2 });
Feature f = new Feature(ls);
result.AddFeature(f);
}
return result;
}
/// <summary>
/// The Voronoi Graph calculation creates the lines that form a voronoi diagram.
/// </summary>
/// <param name="points">The points to use for creating the tesselation.</param>
/// <returns>An IFeatureSet that is the resulting set of lines in the diagram.</returns>
public static IFeatureSet VoronoiLines(IFeatureSet points)
{
double[] vertices = points.Vertex;
VoronoiGraph gp = Fortune.ComputeVoronoiGraph(vertices);
HandleBoundaries(gp, points.Extent.ToEnvelope());
FeatureSet result = new FeatureSet();
foreach (VoronoiEdge edge in gp.Edges)
{
Coordinate c1 = edge.VVertexA.ToCoordinate();
Coordinate c2 = edge.VVertexB.ToCoordinate();
LineString ls = new LineString(new List<Coordinate> { c1, c2 });
Feature f = new Feature(ls);
result.AddFeature(f);
}
return result;
}
/// <summary>
/// Erase features from one feature set where they are intersected by another feature set.
/// </summary>
/// <param name="TargetFeatures">Features which will be erased in part or whole.</param>
/// <param name="SourceFeatures">Features which represent areas to erase.</param>
/// <param name="cancelProgressHandler">Optional parameter to report progress and cancel entire process if needed.</param>
/// <returns>A point feature set with the randomly created features.</returns>
public static FeatureSet EraseFeatures(IFeatureSet TargetFeatures, IFeatureSet SourceFeatures, ICancelProgressHandler cancelProgressHandler = null)
{
if (TargetFeatures == null || SourceFeatures == null)
{
return null;
}
//Erase features from one feature set where they are intersected by another feature set
//Note: we use the ShapeIndices here rather than for each feature in featureset.features as a memory management technique.
//The current version does not preserve any attribute info.
//Dan Ames 2/27/2013
FeatureSet ResultFeatures = new FeatureSet(); //the resulting featureset
IFeature TF, SF; //a single output feature
ResultFeatures.CopyTableSchema(TargetFeatures); //set up the data table in the new feature set
for (Int16 i = 0; i <= TargetFeatures.ShapeIndices.Count - 1; i++)
{
TF = TargetFeatures.GetFeature(i); //get the full undifferenced feature
for (Int16 j = 0; j <= SourceFeatures.ShapeIndices.Count - 1; j++)
{
SF = SourceFeatures.GetFeature(j);
if (SF.Envelope.Intersects(TF.Envelope))
{
TF = TF.Difference(SF); //clip off any pieces of SF that overlap FR
}
if (TF == null)
{ //sometimes difference leaves nothing left of a feature
break;
}
}
if (TF != null)
{
ResultFeatures.AddFeature(TF).CopyAttributes(TargetFeatures.GetFeature(i)); //add the fully clipped feature to the results
}
if (cancelProgressHandler != null)
{
if (cancelProgressHandler.Cancel) { return null; }
int progress = Convert.ToInt32(i * 100 / TargetFeatures.ShapeIndices.Count);
cancelProgressHandler.Progress(String.Empty, progress, String.Empty);
}
}
return ResultFeatures;
}
private IFeatureSet CreatefilterFeatureSet()
{
IFeatureSet data1 = new FeatureSet(FeatureType.Point);
data1.Projection = _originalData.Projection;
data1.DataTable.Columns.Add(new System.Data.DataColumn(this.Field, typeof(double)));
data1.DataTable.Columns.Add(new System.Data.DataColumn("Repeat", typeof(string)));
List<int> listt = _originalData.SelectIndexByAttribute(Filterfields);
foreach (int index in listt)
{
IFeature fea1 = _originalData.GetFeature(index);
IFeature d=data1.AddFeature((IBasicGeometry)fea1);
d.DataRow[this.Field] = fea1.DataRow[this.Field];
}
return data1;
}
internal FeatureSet CreateFeatureSet()
{
FeatureSet featureSet = new FeatureSet(FeatureType.Line);
featureSet.Projection = KnownCoordinateSystems.Geographic.World.WGS1984;
foreach (ReferentielMultiLineString mls in this.MultiLineStrings)
{
List<LineString> lineStrings = new List<LineString>();
foreach (ReferentielLineString ls in mls.LineStrings)
{
List<Coordinate> coordinates = new List<Coordinate>();
for (int i = 0; i < (ls.Segements.Count - 1); i++)
{
coordinates.Add(ls.Segements[i].CoordDeb);
}
coordinates.Add(ls.Segements.Last().CoordDeb);
coordinates.Add(ls.Segements.Last().CoordFin);
LineString fsLs = new LineString(coordinates);
lineStrings.Add(fsLs);
}
MultiLineString fsMls = new MultiLineString(lineStrings);
featureSet.AddFeature(fsMls);
}
return featureSet;
}
/// <summary>
/// Reads the complete feature set from the database
/// </summary>
/// <param name="connString">sqlite db connection string</param>
/// <param name="featureSetInfo">information about the table</param>
/// <param name="sql">the sql query</param>
/// <returns>the resulting feature set</returns>
public IFeatureSet ReadFeatureSet(string connString, GeometryColumnInfo featureSetInfo, string sql)
{
DataTable tab = new DataTable();
FeatureType fType = GetGeometryType(featureSetInfo.GeometryType);
FeatureSet fs = new FeatureSet(fType);
fs.IndexMode = false; //setting the initial index mode..
using (SQLiteCommand cmd = CreateCommand(connString, sql))
{
cmd.Connection.Open();
RunInitialCommands(cmd.Connection);
//DotSpatial.Topology.Utilities.WkbReader wkbr = new DotSpatial.Topology.Utilities.WkbReader();
SpatiaLiteWkbReader wkbr = new SpatiaLiteWkbReader();
SQLiteDataReader rdr = cmd.ExecuteReader();
string[] columnNames = PopulateTableSchema(fs, featureSetInfo.GeometryColumnName, rdr);
int numColumns = fs.DataTable.Columns.Count;
while (rdr.Read())
{
byte[] wkb = rdr[featureSetInfo.GeometryColumnName] as byte[];
IGeometry geom = wkbr.Read(wkb);
IFeature newFeature = fs.AddFeature(geom);
//populate the attributes
foreach (string colName in columnNames)
{
newFeature.DataRow[colName] = rdr[colName];
}
}
cmd.Connection.Close();
fs.Name = featureSetInfo.TableName;
//HACK required for selection to work properly
fs.IndexMode = true;
//assign projection
ProjectionInfo proj = ProjectionInfo.FromEpsgCode(featureSetInfo.SRID);
fs.Projection = proj;
return fs;
}
}
private void MapRasterToTriangulation()
{
Console.WriteLine("Mapping elevation raster pixels to triangulation...\n");
List<River> rivers = model.Rivers.Values.ToList();
List<WaterSurfacePolygon> waterSurfacePolygons = new List<WaterSurfacePolygon>();
//Create triangulation for each river
for (int k = 0; k < rivers.Count; k++)
{
River river = rivers[k];
foreach (Reach reach in river.Reaches.Values)
{
reach.CreateGISFeatures();
reach.CreateTriangulationForWaterSurface();
foreach (WaterSurfacePolygon polygon in reach.WaterSurfaces)
{
waterSurfacePolygons.Add(polygon);
}
}
}
float[] mapping = new float[xSize * ySize];
rasterWaterSurfaceMapping = new int[xSize][];
rasterTriangleMapping = new int[xSize][];
for (int i = 0; i < xSize; i++)
{
rasterWaterSurfaceMapping[i] = new int[ySize];
rasterTriangleMapping[i] = new int[ySize];
for (int j = 0; j < ySize; j++)
{
rasterWaterSurfaceMapping[i][j] = -1;
rasterTriangleMapping[i][j] = -1;
mapping[j * xSize + i] = noData;
}
}
int count = 0;
int foundCount = 0;
int stepSize = (int)Math.Floor(xSize * ySize * 0.01);
List<List<Coordinate>> coordinates = new List<List<Coordinate>>();
//Parallel.For(0, waterSurfacePolygons.Count, k =>
for (int k = 0; k < waterSurfacePolygons.Count; k++)
{
WaterSurfacePolygon watersurfacePolygon = waterSurfacePolygons[k];
Interlocked.Increment(ref count);
double progress = count * 100.0 / (waterSurfacePolygons.Count * 1.0);
lock (Console.Out)
{
Console.SetCursorPosition(0, Console.CursorTop);
Console.Write("Progress => " + progress.ToString("###") + " %");
}
lock (watersurfacePolygon)
{
Point pltc = getCoordIndexes(watersurfacePolygon.MinX, watersurfacePolygon.MaxY);
Point prbc = getCoordIndexes(watersurfacePolygon.MaxX, watersurfacePolygon.MinY);
List<Coordinate> coordinate = new List<Coordinate>();
Point ptt1 = getCoords((int)pltc.X, (int)pltc.Y);
Point ptt2 = getCoords((int)prbc.X, (int)prbc.Y);
coordinate.Add(new Coordinate(ptt1.X, ptt1.Y));
coordinate.Add(new Coordinate(ptt1.X, ptt2.Y));
coordinate.Add(new Coordinate(ptt2.X, ptt1.Y));
coordinate.Add(new Coordinate(ptt2.X, ptt2.Y));
for (int i = (int)pltc.X; i < prbc.X; i++)
{
for (int j = (int)pltc.Y; j < prbc.Y; j++)
{
Point p2 = getCoords(i, j);
lock (watersurfacePolygon)
{
if (watersurfacePolygon.Contains(p2.X, p2.Y))
{
int m = watersurfacePolygon.FindTriangleThatContains(p2.X, p2.Y);
if (m > -1)
{
rasterWaterSurfaceMapping[i][j] = k;
mapping[j * xSize + i] = k;
rasterTriangleMapping[i][j] = m;
}
}
}
}
}
coordinates.Add(coordinate);
}
}
using(IFeatureSet set = new FeatureSet(FeatureType.MultiPoint))
{
foreach(var p in coordinates)
set.AddFeature(new MultiPoint(p));
set.SaveAs(localWorkspace + "\\" + name + "_point.shp", true);
}
//);
OSGeo.GDAL.Driver driver = Gdal.GetDriverByName(rasterDriver);
Dataset newRaster = driver.Create(localWorkspace + "\\" + name + "_mapping.tif", xSize, ySize, 1, dataType, new string[] { "TFW=YES", "COMPRESS=LZW" });
newRaster.GetRasterBand(1).SetNoDataValue(noData);
newRaster.SetGeoTransform(geoTransformation);
newRaster.SetProjection(projection);
Band newRasterBand = newRaster.GetRasterBand(1);
newRasterBand.WriteRaster(0, 0, xSize, ySize, mapping, xSize, ySize, 0, 0);
double min, max, mean, stdev;
newRasterBand.GetStatistics(0, 1, out min, out max, out mean, out stdev);
newRasterBand.FlushCache();
newRaster.FlushCache();
newRaster.Dispose();
newRaster = null;
driver.Dispose();
driver = null;
using (IFeatureSet fs = new FeatureSet(DotSpatial.Topology.FeatureType.Polygon))
{
fs.DataTable.Columns.AddRange(new DataColumn[]
{
new DataColumn("Identifier" , typeof(int)),
});
int tcount = 0;
for (int k = 0; k < waterSurfacePolygons.Count; k++)
{
WaterSurfacePolygon surface = waterSurfacePolygons[k];
foreach (TriangleNet.Data.Triangle pgon in surface.Triangles)
{
TriangleNet.Data.Triangle ts = pgon;
List<Coordinate> vertices = new List<Coordinate>();
Point p0 = surface.Points[ts.P0];
Point p1 = surface.Points[ts.P1];
Point p2 = surface.Points[ts.P2];
Coordinate c1 = new Coordinate(p0.X, p0.Y, p0.Z);
Coordinate c2 = new Coordinate(p1.X, p1.Y, p1.Z);
Coordinate c3 = new Coordinate(p2.X, p2.Y, p2.Z);
vertices.Add(c1);
vertices.Add(c2);
vertices.Add(c3);
Polygon polygon = new Polygon(vertices);
IFeature fset = fs.AddFeature(polygon);
fset.DataRow.BeginEdit();
fset.DataRow["Identifier"] = k;
fset.DataRow.EndEdit();
tcount++;
}
}
fs.SaveAs(localWorkspace + "\\" + name + "_polygon.shp", true);
fs.Close();
fs.Dispose();
}
double temp = 100;
Console.SetCursorPosition(0, Console.CursorTop);
Console.WriteLine("Progress => " + temp.ToString("###") + " % \n");
temp = foundCount * 100.0 / (xSize * ySize * 1.0);
Console.WriteLine(temp.ToString("###.0") + " % of pixels were found in triangulation \n");
Console.WriteLine("Finished mapping elevation raster pixels to triangulation !\n");
}
public PointClassification ClassifyPoint(double latitude, double longitude)
{
FeatureSet pFeatureSet = new FeatureSet();
pFeatureSet.Projection = KnownCoordinateSystems.Geographic.World.WGS1984;
DotSpatial.Topology.Point pPoint = new DotSpatial.Topology.Point(longitude, latitude);
FeatureSet pPointFeatureSet = new FeatureSet(DotSpatial.Topology.FeatureType.Point);
pPointFeatureSet.Projection = KnownCoordinateSystems.Geographic.World.WGS1984;
pPointFeatureSet.AddFeature(pPoint);
Extent pAffectedExtent = null;
var result = fsWorldCountries.Select(pPointFeatureSet.Extent, out pAffectedExtent);
foreach (IFeature feature in result)
{
PointClassification classification = new PointClassification();
classification.CountryCode = feature.DataRow["ADM0_A3"].ToString();
if (classification.CountryCode.Length == 3) classification.CountryCode = ConvertISOCountryCode(classification.CountryCode);
classification.CountrySubdivision = feature.DataRow["NAME"].ToString();
classification.CountryName = feature.DataRow["ADMIN"].ToString();
return classification;
}
return null;
// System.Diagnostics.Debug.WriteLine(featureL);
}
public void SaveProfilesToShapeFile(FileInfo shapefile)
{
//clear existing profiles
ClearProfiles();
//read the rivers
ReadRivers();
List<Reach> reachesFixed = new List<Reach>();
List<Reach> reaches = (from n in rivers.Values
from p in n.Reaches.Values
select p).ToList();
for (int i = 0; i < reaches.Count; i++)
{
Reach r1 = reaches[i];
for (int j = 0; j < reaches.Count; j++)
{
if (j != i)
{
Reach r2 = reaches[j];
Point p1 = r1.CenterLine[r1.CenterLine.Count - 1];
Point p2 = r2.CenterLine[0];
if (Math.Abs((p1 - p2).Length()) < 200)
{
XSection x = r2.XSections.Values.First<XSection>();
r1.XSections.Add(x.StationName, x);
r1.CreateGISFeatures();
reachesFixed.Add(r1);
break;
}
}
}
}
//Create Shapefile using .dospatial library
using (IFeatureSet fsp = new FeatureSet(FeatureType.Polygon))
{
using (IFeatureSet trip = new FeatureSet(FeatureType.Polygon))
{
using (IFeatureSet fsxs = new FeatureSet(FeatureType.Line))
{
using (IFeatureSet fspo = new FeatureSet(FeatureType.Point))
{
//add attribute fields to attribute table
trip.DataTable.Columns.AddRange(new DataColumn[]
{
new DataColumn("RiverName" , typeof(string)),
new DataColumn("ReachName" , typeof(string)),
});
//add attribute fields to attribute table
fsp.DataTable.Columns.AddRange(new DataColumn[]
{
new DataColumn("RiverName" , typeof(string)),
new DataColumn("ReachName" , typeof(string)),
});
fsxs.DataTable.Columns.AddRange(new DataColumn[]
{
new DataColumn("RiverName" , typeof(string)),
new DataColumn("ReachName" , typeof(string)),
new DataColumn("StationName" , typeof(string)),
});
List<River> tempRivers = rivers.Values.ToList();
//select river
for (int j = 0; j < rivers.Count; j++)
{
River river = tempRivers[j];
foreach (Reach reach in river.Reaches.Values)
{
foreach (WaterSurfacePolygon wsurface in reach.WaterSurfaces)
{
List<Polygon> polygons = wsurface.GetPolygons();
foreach (Polygon polygon in polygons)
{
IFeature tri = trip.AddFeature(polygon);
tri.DataRow.BeginEdit();
tri.DataRow["RiverName"] = river.Name;
tri.DataRow["ReachName"] = reach.Name;
tri.DataRow.EndEdit();
}
}
IFeature fp = fsp.AddFeature(reach.BoundingPolygon);
fp.DataRow.BeginEdit();
fp.DataRow["RiverName"] = river.Name;
fp.DataRow["ReachName"] = reach.Name;
fp.DataRow.EndEdit();
List<XSection> xsections = reach.XSections.Values.ToList();
for (int ip = 0; ip < reach.XSectionsCutLines.Count; ip++)
{
IFeature fxs = fsxs.AddFeature(reach.XSectionsCutLines[ip]);
fxs.DataRow.BeginEdit();
fxs.DataRow["RiverName"] = river.Name;
fxs.DataRow["ReachName"] = reach.Name;
fxs.DataRow["StationName"] = xsections[ip].StationName;
fxs.DataRow.EndEdit();
}
IFeature fpo = fspo.AddFeature(new MultiPoint(from n in reach.CenterLine select new Coordinate(n.X, n.Y)));
}
}
fspo.SaveAs(shapefile.FullName.Replace(shapefile.Extension, "_point" + shapefile.Extension), true);
}
fsxs.SaveAs(shapefile.FullName.Replace(shapefile.Extension, "_xsection" + shapefile.Extension), true);
}
trip.SaveAs(shapefile.FullName.Replace(shapefile.Extension, "_triangulation" + shapefile.Extension), true);
}
fsp.SaveAs(shapefile.FullName.Replace(shapefile.Extension, "_boundary" + shapefile.Extension), true);
}
for (int i = 0; i < reachesFixed.Count; i++)
{
Reach r = reachesFixed[i];
r.XSections.Remove(r.XSections.Values.Last<XSection>().StationName);
}
controller.Project_Save();
}
internal void CreateLayers()
{
Envelope env = new Envelope();
if (this.Model.SigLayer != null)
{
if (this.Model.SigLayer.SigCodeLayer.Code == "Geocodage")
{
FeatureSet featureSetPoint = new FeatureSet(FeatureType.Point);
featureSetPoint.Projection = DotSpatial.Projections.KnownCoordinateSystems.Geographic.World.WGS1984;
PointSymbolizer featureSetPointSymbolizer = new PointSymbolizer(System.Drawing.Color.Red, DotSpatial.Symbology.PointShape.Ellipse, 10);
FeatureSet featureSetLine = new FeatureSet(FeatureType.Line);
featureSetLine.Projection = DotSpatial.Projections.KnownCoordinateSystems.Geographic.World.WGS1984;
IDataService dataService = ServiceLocator.Current.GetInstance<IDataService>();
ICartoService cartoService = ServiceLocator.Current.GetInstance<ICartoService>();
EntityTableInfo tableInfo = dataService.GetEntityTableInfo(this.Model.SigLayer.EntityName);
IQueryable queryable = dataService.GetDbSet(tableInfo.EntityType).AsQueryable();
EntityColumnInfo columnGeom = (from c in tableInfo.ColumnInfos where c.IsLocalisationReferenceGeom select c).FirstOrDefault();
EntityColumnInfo columnRef = (from c in tableInfo.ColumnInfos where c.IsLocalisationReferenceId select c).FirstOrDefault();
EntityColumnInfo columnDeb = (from c in tableInfo.ColumnInfos where c.IsLocalisationDeb select c).FirstOrDefault();
EntityColumnInfo columnFin = (from c in tableInfo.ColumnInfos where c.IsLocalisationFin select c).FirstOrDefault();
foreach (Object item in queryable)
{
Geometry geometry = null;
if (columnGeom != null)
{
Object dataGeom = columnGeom.Property.GetValue(item);
if (dataGeom != null)
{geometry = WktHelper.CreateGeometryFromWkt(dataGeom.ToString());}
}
if (geometry == null && columnRef != null && columnDeb != null)
{
Object objRef = columnRef.Property.GetValue(item);
Object objDeb = columnDeb.Property.GetValue(item);
if (columnFin == null)
{
if (objRef != null && objRef is Int64 && objDeb != null && objDeb is Int64)
{
geometry = cartoService.Geocode((Int64)objRef, (Int64)objDeb );
}
}
else
{
Object objFin = columnFin.Property.GetValue(item);
if (objRef != null && objRef is Int64 && objDeb != null && objDeb is Int64)
{
if (objFin != null && objFin is Int64)
{ geometry = cartoService.Geocode((Int64)objRef, (Int64)objDeb, (Int64)objFin); }
else
{ geometry = cartoService.Geocode((Int64)objRef, (Int64)objDeb); }
}
}
}
if (geometry != null)
{
if (geometry is Point)
{
featureSetPoint.AddFeature(geometry);
env.ExpandToInclude((geometry as Point).Coordinate);
}
else if (geometry is LineString)
{
featureSetLine.AddFeature(geometry);
env.ExpandToInclude(geometry.Envelope);
}
else if (geometry is MultiLineString )
{
featureSetLine.AddFeature(geometry);
env.ExpandToInclude(geometry.Envelope);
}
}
}
this.Layers.Add(new MapLineLayer(featureSetLine));
this.Layers.Add(new MapPointLayer(featureSetPoint));
}
}
this.Envelope = env;
}
/// <summary>
/// Creates a specified number of random point features inside a single polygon feature.
/// </summary>
/// <param name="ConstrainingFeature">Random points will be generated inside this polygon feature.</param>
/// <param name="NumberOfPoints">The number of points to be randomly generated.</param>
/// <returns>A point feature set with the randomly created features.</returns>
public static FeatureSet RandomPoints(Feature ConstrainingFeature, int NumberOfPoints)
{
//This function generates random points within the boundaries of one polygon feature
FeatureSet fsOut = new FeatureSet();
fsOut.FeatureType = FeatureType.Point;
Coordinate c = new Coordinate();
Random r = new Random();
int i = 0;
while (i < NumberOfPoints)
{
c = new Coordinate();
//make a random point somewhere in the rectangular extents of the feature
double rndx = r.Next(0, 100000) / 100000.0;
double rndy = r.Next(0, 100000) / 100000.0;
c.X = rndx * (ConstrainingFeature.Envelope.Right() - ConstrainingFeature.Envelope.Left()) + ConstrainingFeature.Envelope.Left();
c.Y = rndy * (ConstrainingFeature.Envelope.Top() - ConstrainingFeature.Envelope.Bottom()) + ConstrainingFeature.Envelope.Bottom();
//check if the point falls within the polygon featureset
if (ConstrainingFeature.Intersects(c))
{
fsOut.AddFeature(new Feature(c));
i++;
}
}
return fsOut;
}
private bool AddKrigingLayer(List<Polygon> polygonsList)
{
var field = this._krigingFields[krigingProcess];
string datasetName = field.ID;
// field.ProductResult = Math.Round(CalculateProductSum(datasetName), 2);
var zList = new List<double>();
FeatureSet fs = new FeatureSet(FeatureType.Polygon);
fs.Projection = _config.TargetPolygonLayer.Projection;
fs.DataTable.Columns.Add(new DataColumn("ID", typeof(int)));
fs.DataTable.Columns.Add(new DataColumn("Z", typeof(double)));
fs.DataTable.Columns.Add(new DataColumn("Product", typeof(double)));
for (int i = 0; i < polygonsList.Count; i++)
{
var feature = fs.AddFeature(polygonsList[i]);
feature.DataRow["ID"] = i;
feature.DataRow["Z"] = polygonsList[i].Coordinate.Z;
feature.DataRow["Product"] = field.ProductResult;
zList.Add(polygonsList[i].Coordinate.Z);
}
fs.Name = field.Field;
var shapeFile = Path.Combine(field.Folder, "kriging.shp");
fs.SaveAs(shapeFile, true);
var input = fs as IFeatureSet;
var input2 = _config.TargetPolygonLayer.DataSet as IFeatureSet;
input.FillAttributes();
input2.FillAttributes();
FeatureSet output = new FeatureSet(input.FeatureType);
output.Projection = input2.Projection;
IFeatureSet tempOutput = input.Intersection(input2, FieldJoinType.LocalOnly, null);
foreach (DataColumn inputColumn in tempOutput.DataTable.Columns)
{
output.DataTable.Columns.Add(new DataColumn(inputColumn.ColumnName, inputColumn.DataType));
}
foreach (var fe in tempOutput.Features)
{
output.Features.Add(fe);
}
output.Name = datasetName;
output.Filename = datasetName + ".shp";
field.OutputShapeFile = datasetName + ".shp";
field.OutputZ = string.Join(",", zList);
var layer = PluginExtension.MyAppManager.Map.Layers.Add(output);
layer.LegendText = field.Field;
layer.Symbology.ClearCategories();
var pieChartData = new List<TempPIEChartData>();
_colorsList = _legendRepository.GetFieldLegend(field.Field);
if (_colorsList.Where(c => c.Value == null).Count() > 0)
{
CreateRandomColorCategories(zList, ref pieChartData).ForEach(c => layer.Symbology.AddCategory(c));
}
else
{
_colorsList.Reverse();
CreatePredefinedColorCategories(zList, ref pieChartData).ForEach(c => layer.Symbology.AddCategory(c));
}
field.PieChartData = pieChartData;
layer.ContextMenuItems.Add(new DotSpatial.Symbology.SymbologyMenuItem("View Input Data", new EventHandler((s, e) => ViewInputDataClick(s, e, field.ID))));
layer.ContextMenuItems.Add(
new DotSpatial.Symbology.SymbologyMenuItem("Load Grid File", new EventHandler((s, ev) => LoadGridFileClick(s, ev, field))));
layer.ContextMenuItems.Add(new DotSpatial.Symbology.SymbologyMenuItem("Calculate Product", new EventHandler((s, e) => CalculateProductClick(s, e, field))));
layer.ContextMenuItems.Add(
new DotSpatial.Symbology.SymbologyMenuItem("Load Product File", new EventHandler((s, ev) => LoadProductFileClick(s, ev, field))));
new DotSpatial.Symbology.Forms.FeatureCategoryControl(layer).ApplyChanges();
ColorsList = new List<LegendPattern>();
foreach (var item in layer.Symbology.GetCategories())
{
var pattern = new Repository.Utils.LegendPattern();
pattern.Color = item.GetColor();
pattern.Value = item.LegendText != null ? item.LegendText : zList.Max().ToString();
ColorsList.Add(pattern);
}
field.Image = getMapImage(field);
return true;
}
private void CreateAttributes(object sender, EventArgs e)
{
//http://dotspatial.codeplex.com/wikipage?title=CreateAttributes&referringTitle=Desktop_SampleCode
// define the feature type for this file
FeatureSet fs = new FeatureSet(FeatureType.Polygon);
// Add Some Columns
fs.DataTable.Columns.Add(new DataColumn("ID", typeof(int)));
fs.DataTable.Columns.Add(new DataColumn("Text", typeof(string)));
// create a geometry (square polygon)
List<Coordinate> vertices = new List<Coordinate>();
vertices.Add(new Coordinate(11219035, 1542354));
vertices.Add(new Coordinate(11219035, 1542354 + 100));
vertices.Add(new Coordinate(11219035 + 100, 1542354 + 100));
vertices.Add(new Coordinate(11219035 + 100, 1542354 + 0));
Polygon geom = new Polygon(vertices);
fs.AddFeature(geom);
// add 16.01.18
// add the geometry to the featureset.
IFeature feature = fs.AddFeature(geom);
// now the resulting features knows what columns it has
// add values for the columns
feature.DataRow.BeginEdit();
feature.DataRow["ID"] = 1;
feature.DataRow["Text"] = "Hello World";
feature.DataRow.EndEdit();
vertices.Clear();
vertices.Add(new Coordinate(11219035 + 100, 1542354));
vertices.Add(new Coordinate(11219035 + 100, 1542354 + 100));
vertices.Add(new Coordinate(11219035 + 200, 1542354 + 100));
vertices.Add(new Coordinate(11219035 + 200, 1542354 + 0));
geom = new Polygon(vertices);
feature = fs.AddFeature(geom);
// now the resulting features knows what columns it has
// add values for the columns
feature.DataRow.BeginEdit();
feature.DataRow["ID"] = 2;
feature.DataRow["Text"] = "Hello World";
feature.DataRow.EndEdit();
// save the feature set
fs.SaveAs("d:\\test.shp", true);
}
private IFeatureSet ConvertToPoints(IFeatureSet originalData)
{
string field = Field;
IFeatureSet fea = new FeatureSet(FeatureType.Point);
fea.Projection = originalData.Projection;
DataColumn col = originalData.GetColumn(field);
DataColumn coln = new DataColumn(col.ColumnName, col.DataType);
fea.DataTable.Columns.Add(coln);
foreach (Feature feature in originalData.Features)
{
foreach (Coordinate c in feature.BasicGeometry.Coordinates)
{
IFeature nfeature = fea.AddFeature(new DotSpatial.Topology.Point(c.X, c.Y));
nfeature.DataRow[field] = feature.DataRow[field];
}
}
return fea;
}
private void CalculateProductForm_Shown(object sender, EventArgs e)
{
if (_field != null)
{
label1.Text = "Reading Polygon..";
var polygonFile = Path.Combine(_field.Folder, "input_polygon.shp");
var polygonFeatures = FeatureSet.Open(polygonFile).Features;
label1.Text = "Reading Grid..";
var gridFile = Path.Combine(_field.Folder, "grid_points.shp");
var featuresDataset = FeatureSet.Open(gridFile);
progressBar1.Maximum = polygonFeatures.Count;
progressBar1.Value = 0;
var newPolygonLayer = new FeatureSet(FeatureType.Polygon);
var tbl = new DataTable();
tbl.Columns.Add("Z");
tbl.Columns.Add("AreaM2");
tbl.Columns.Add("Hectare");
int pCount = 1;
foreach (Feature poly in polygonFeatures)
{
label1.Text = "Caculating Product Value for plot:" + pCount;
var extent = poly.Envelope.ToExtent();
var fe = featuresDataset.CopySubset(featuresDataset.SelectIndices(extent));
double zTotalCount = 0;
for (int i = 0; i < fe.Features.Count; i++)
{
if (poly.Contains(fe.Features[i]))
{
var z = double.Parse(Convert.ToString(fe.DataTable.Rows[i]["Z"]));
zTotalCount += z;
}
}
tbl.Rows.Add(Math.Round(zTotalCount / 25, 2), Math.Round(poly.Area(), 2), Math.Round(poly.Area() / 10000, 0));
newPolygonLayer.AddFeature(poly);
progressBar1.Value = progressBar1.Value + 1;
pCount++;
}
newPolygonLayer.DataTable = tbl;
newPolygonLayer.Projection = _map.Projection;
newPolygonLayer.Reproject(_map.Projection);
var newPolyFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TempFiles", "Temp-Product" + DateTime.Now.Ticks + ".shp");
newPolygonLayer.SaveAs(newPolyFile, true);
var layer = _map.Layers.Add(newPolyFile);
layer.ContextMenuItems.Add(
new DotSpatial.Symbology.SymbologyMenuItem("Save Product File", new EventHandler((s, ev) => SaveProductFileClick(s, ev, (IMapPolygonLayer)layer))));
label1.Text = "Completed";
}
}
void p()
{
FeatureSet fs = new FeatureSet(FeatureType.Polygon);
fs.DataTable.Columns.Add(new DataColumn("ID", typeof(int)));
fs.DataTable.Columns.Add(new DataColumn("Text", typeof(string)));
List<Coordinate> vertices = new List<Coordinate>();
// vertices.Add(new Coordinate(0, 0));
// vertices.Add(new Coordinate(0, 100));
// vertices.Add(new Coordinate(100, 100));
// vertices.Add(new Coordinate(100, 0));
vertices.Add(new Coordinate(242846.81386332, 7528087.29373347));
vertices.Add(new Coordinate(242854.625931002, 7528087.29373347));
vertices.Add(new Coordinate(242854.625931002, 7528094.1633412));
vertices.Add(new Coordinate(242846.81386332, 7528094.1633412));
Polygon geom = new Polygon(vertices);
IFeature feature = fs.AddFeature(geom);
appManager1.Map.Layers.Add(fs);
}
void p2()
{
var sel = appManager1.Map.GetPointLayers()[0].Selection.ToFeatureList();
FeatureSet fs = new FeatureSet(FeatureType.Polygon);
List<Coordinate> vertices = new List<Coordinate>();
vertices.Add(new Coordinate(sel[0].Coordinates[0]));
vertices.Add(new Coordinate(sel[1].Coordinates[0]));
vertices.Add(new Coordinate(sel[3].Coordinates[0]));
vertices.Add(new Coordinate(sel[2].Coordinates[0]));
Polygon geom = new Polygon(vertices);
IFeature feature = fs.AddFeature(geom);
appManager1.Map.Layers.Add(fs);
MessageBox.Show(geom.Area.ToString());
}
private static IFeatureSet UnionAll(IFeatureSet fs)
{
FeatureSet fsunion = new FeatureSet();
fsunion.CopyTableSchema(fs);
fsunion.Projection = fs.Projection;
IFeature f = fs.Features[0];
for (int i = 1; i < fs.Features.Count; i++)
{
f = f.Union(fs.Features[i], fsunion, FieldJoinType.LocalOnly);
}
fsunion.AddFeature(f);
return fsunion;
}
/// <summary>
/// Call EPAWebServiceHelper Method to get delineated watershed, and also return the start point.
/// </summary>
/// <param name="param">Arguments for backgroundworkers</param>
/// <returns>Return a list of featureset including both point and polygon</returns>
private IList<IFeatureSet> GetShapes(Coordinate watershedOutletLocation)
{
var projCor = watershedOutletLocation;
// declare a new EPAWebServiceHelper Client
var trigger = new EPAWebServiceHelper(projCor);
// get Start Point Information
object[] startpt = trigger.GetStartPoint();
// check if start point successful
if (startpt == null)
{
//progress.closeForm();
return null;
}
// get delineated watershed
object[] WshedObj = trigger.GetWsheds(startpt);
if (WshedObj == null)
{
return null;
}
IFeatureSet fsWshed = new FeatureSet();
// delete small marginal polygons if any
try
{
var fsCatchment = (IFeatureSet)WshedObj[0];
int count = fsCatchment.Features.Count;
if (count > 1)
{
// the last one is the main watershed
for (int i = 0; i < count - 1; i++)
{
fsCatchment.Features.RemoveAt(0);
}
// Object process could be dangerous to lose Projection info
WshedObj[0] = fsCatchment;
}
fsWshed = SetAttribute(WshedObj);
}
catch (Exception ex)
{
// As a bare minimum we should probably log these errors
logger.Fatal(ex.Message);
System.Diagnostics.Trace.WriteLine(ex.Message);
}
// get Upstream flowlines
var StreamObj = trigger.GetLines(startpt);
var fsStream = SetAttribute(StreamObj);
// create the start point shapefile
var point = new Feature(projCor);
IFeatureSet fsPoint = new FeatureSet(point.FeatureType);
// PK: added this following one line
fsPoint.Projection = WGS84;
fsPoint.AddFeature(point);
IList<IFeatureSet> EPAShapes = new List<IFeatureSet>();
EPAShapes.Add(fsWshed);
EPAShapes.Add(fsStream);
EPAShapes.Add(fsPoint);
logger.Info("All shapes were generated.");
return EPAShapes;
}
/// <summary>
/// Add the features from SourceFeatures to the TargetFeatures feature set.
/// </summary>
/// <param name="TargetFeatures">Feature set to which features will be added.</param>
/// <param name="SourceFeatures">Source of features to add to the target feature set. </param>
/// <returns>A point feature set with the randomly created features.</returns>
public static FeatureSet AppendFeatures(FeatureSet TargetFeatures, FeatureSet SourceFeatures)
{
//Add the features from SourceFeatures to the TargetFeatures feature set
//Note: we use the ShapeIndices here rather than for each feature in featureset.features as a memory management technique.
//Dan Ames 2/27/2013
IFeature SF;
for (Int16 j = 0; j <= SourceFeatures.ShapeIndices.Count - 1; j++)
{
SF = SourceFeatures.GetFeature(j);
TargetFeatures.AddFeature(SF).CopyAttributes(SourceFeatures.GetFeature(j)); //by default this will try to copy attributes over that have the same name.
}
return TargetFeatures;
}
/// <summary>
/// Get delineated watershed polygon from EPA WebServices
/// </summary>
/// <param name="uri">Query string</param>
/// <returns>Returns an IFeatureSet including the delineated polygon</returns>
private object[] GetDelineation(string uri)
{
//Declare a WebClient instance to get the Watershed Delineation response string
WebClient delineate = new WebClient();
try
{
string response = delineate.DownloadString(uri);
int start = response.IndexOf("(");
int end = response.LastIndexOf(")");
response = response.Substring(start + 1, end - 1 - start);
//Declare Json Elements
JObject mainObj = new JObject();
JToken outputObj = new JObject();
JToken shapeObj = new JObject();
JToken statusObj = new JObject();
mainObj = JObject.Parse(response);
outputObj = mainObj["output"];
//check for error message in outputObj
if (outputObj.Type == Newtonsoft.Json.Linq.JTokenType.Null)
{
statusObj = mainObj["status"];
string statusMessage = statusObj["status_message"].ToString();
throw new ArgumentException(statusMessage);
}
shapeObj = outputObj["shape"];
string stype = shapeObj["type"].ToString();
string area = outputObj["total_areasqkm"].ToString();
JArray coordArray = shapeObj["coordinates"] as JArray;
//For coordinate information
string lat;
string lon;
//Setup projection information
_defaultProjection = KnownCoordinateSystems.Projected.World.WebMercator;
//Initialize feature parameters
Feature polyf = new Feature();
Feature multipolyf = new Feature();
IFeatureSet polyfs = new FeatureSet(FeatureType.Polygon);
//For the case GeoJSON returns a MultiPolygon
if (stype.Trim().ToLower() == "multipolygon")
{
foreach (JArray Polycoord in coordArray) //The third level branket
{
Polygon[] polys = new Polygon[Polycoord.Count];
if (Polycoord != null)
{
for (int i = 0; i < Polycoord.Count; i++)//The second level branket
{
JArray multiRingcoord = (JArray)Polycoord[i];
IList<Coordinate> multicoords = new List<Coordinate>();
if (multiRingcoord != null)
{
foreach (JArray latlongcoord in multiRingcoord) //The first level branket
{
Coordinate coord = new Coordinate();
lon = latlongcoord[0].ToString();
lat = latlongcoord[1].ToString();
coord.X = Convert.ToDouble(lon);
coord.Y = Convert.ToDouble(lat);
double[] xy = new double[2];
xy[0] = coord.X;
xy[1] = coord.Y;
double[] z = new double[1];
coord.X = xy[0];
coord.Y = xy[1];
multicoords.Add(coord);
}
polys[i] = new Polygon(multicoords);
}
}
//Save polygon[] into a multipolygon
if (polys.Length > 1)
{
IMultiPolygon multipolys = new MultiPolygon(polys);
multipolyf = new Feature(multipolys);
}
else
{
// special case: A multipolygon with one part
multipolyf = new Feature(polys[0]);
}
//Save features into a featureset
if (polyfs.Features.Count == 0)
{
polyfs = new FeatureSet(multipolyf.FeatureType);
polyfs.Projection = WGS84;
polyfs.AddFeature(multipolyf);
}
else
{
polyfs.Projection = WGS84;
polyfs.AddFeature(multipolyf);
}
}
}
}
//For the case GeoJSON returns a Polygon
if (stype.Trim().ToLower() == "polygon")
{
foreach (JArray Ringcoord in coordArray) //The second level branket
{
IList<Coordinate> coords = new List<Coordinate>();
if (Ringcoord != null)
{
foreach (JArray latlongcoord in Ringcoord) //The first level branket
{
Coordinate coord = new Coordinate();
lon = latlongcoord[0].ToString();
lat = latlongcoord[1].ToString();
coord.X = Convert.ToDouble(lon);
coord.Y = Convert.ToDouble(lat);
double[] xy = new double[2];
xy[0] = coord.X;
xy[1] = coord.Y;
double[] z = new double[1];
coord.X = xy[0];
coord.Y = xy[1];
coords.Add(coord);
}
polyfs.Projection = WGS84; // _defaultProjection;
polyf = new Feature(FeatureType.Polygon, coords);
}
polyfs = new FeatureSet(polyf.FeatureType);
if (polyfs.Features.Count == 0)
{
polyfs = new FeatureSet(polyf.FeatureType);
polyfs.Projection = WGS84;
polyfs.AddFeature(polyf);
}
else
{
polyfs.Projection = WGS84;
polyfs.AddFeature(polyf);
}
}
}
object[] watersheds = new object[2];
watersheds[0] = polyfs;
watersheds[1] = area;
return watersheds;
}
catch (NullReferenceException ex)
{
var resp = new HttpResponseMessage(HttpStatusCode.NotFound)
{
Content = new StringContent(ex.Message),
ReasonPhrase = "Watershed not found. Please try a different point."
};
throw new HttpResponseException(resp);
}
catch (Exception ex)
{
var resp = new HttpResponseMessage(HttpStatusCode.NotFound)
{
Content = new StringContent(ex.Message),
ReasonPhrase = "Error searching for watershed."
};
throw new HttpResponseException(resp);
}
}
/// <summary>
/// Get Upstream flowslines from EPA WebServices
/// </summary>
/// <param name="uri">Query string</param>
/// <returns>Returns an IFeatureSet including the </returns>
private object[] GetStreamline(string uri)
{
//Declare a WebClient instance to get the Watershed Delineation response string
WebClient streamline = new WebClient();
try
{
string response = streamline.DownloadString(uri);
int start = response.IndexOf("(");
int end = response.IndexOf(")");
response = response.Substring(start + 1, end - 1 - start);
//Declare Json Elements
JObject mainObj = new JObject();
JToken outputObj;
JArray lineObj = new JArray();
JToken shapeObj = new JObject();
mainObj = JObject.Parse(response);
outputObj = mainObj["output"];
lineObj = outputObj["flowlines_traversed"] as JArray;
List<string> comid = new List<string>();
List<string> reachcode = new List<string>();
List<string> totdist = new List<string>();
//Setup projection information
_defaultProjection = KnownCoordinateSystems.Projected.World.WebMercator;
//Initialize feature parameters
Feature linef = new Feature();
IFeatureSet linefs = new FeatureSet(FeatureType.Line);
//for (int i = 0; i < lineObj.Count; i++)
foreach (JObject flowObj in lineObj)
{
shapeObj = flowObj["shape"] as JObject;
string id = flowObj["comid"].ToString();
string code = flowObj["reachcode"].ToString();
string dist = flowObj["totaldist"].ToString();
string stype = shapeObj["type"].ToString();
JArray coordArray = shapeObj["coordinates"] as JArray;
//For coordinate information
string lat;
string lon;
//For the case GeoJSON returns a MultiLineString
if (stype.Trim().ToLower() == "multilinestring")
{
if (coordArray != null)
{
LineString[] lines = new LineString[coordArray.Count];
for (int j = 0; j < coordArray.Count; j++)//The second level branket
{
JArray linecoord = (JArray)coordArray[j];
IList<Coordinate> multicoords = new List<Coordinate>();
if (linecoord != null)
{
foreach (JArray latlongcoord in linecoord) //The first level branket
{
Coordinate coord = new Coordinate();
lon = latlongcoord[0].ToString();
lat = latlongcoord[1].ToString();
coord.X = Convert.ToDouble(lon);
coord.Y = Convert.ToDouble(lat);
multicoords.Add(coord);
}
lines[j] = new LineString(multicoords);
}
}
//Save lines[] into a multiline
IMultiLineString multilines = new MultiLineString(lines);
linef = new Feature(multilines);
}
}
//For the case GeoJSON returns a LineString
if (stype.Trim().ToLower() == "linestring")
{
IList<Coordinate> coords = new List<Coordinate>();
foreach (JArray latlongcoord in coordArray) //The second level branket
{
Coordinate coord = new Coordinate();
lon = latlongcoord[0].ToString();
lat = latlongcoord[1].ToString();
coord.X = Convert.ToDouble(lon, CultureInfo.InvariantCulture);
coord.Y = Convert.ToDouble(lat, CultureInfo.InvariantCulture);
coords.Add(coord);
}
linef = new Feature(FeatureType.Line, coords);
}
linefs.Projection = WGS84;
//Save features into a featureset
if (linefs.Features.Count == 0)
{
linefs.Projection = WGS84;
linefs = new FeatureSet(linef.FeatureType);
linefs.AddFeature(linef);
}
else
{
linefs.AddFeature(linef);
}
//Save streamlines' information
comid.Add(id);
reachcode.Add(code);
totdist.Add(dist);
}
//TODO: PK- use a StreamLine object with 4 properties instead - create this class in the Models folder
object[] streamlines = new object[4];
streamlines[0] = linefs as object;
streamlines[1] = comid as object;
streamlines[2] = reachcode as object;
streamlines[3] = totdist as object;
return streamlines;
}
catch (Exception ex)
{
var resp = new HttpResponseMessage(HttpStatusCode.NotFound)
{
Content = new StringContent(ex.Message),
ReasonPhrase = "Error finding upstream flow lines with EPA web service."
};
throw new HttpResponseException(resp);
}
}
/// <summary>
/// Executes the ClipPolygonWithLine Operation tool programaticaly.
/// Ping deleted static for external testing 01/2010
/// </summary>
/// <param name="input1">The input Polygon FeatureSet.</param>
/// <param name="input2">The input Polyline FeatureSet.</param>
/// <param name="output">The output Polygon FeatureSet.</param>
/// <param name="cancelProgressHandler">The progress handler.</param>
/// <returns></returns>
public bool Execute(
IFeatureSet input1, IFeatureSet input2, IFeatureSet output, ICancelProgressHandler cancelProgressHandler)
{
// Validates the input and output data
if (input1 == null || input2 == null || output == null)
{
return false;
}
if (cancelProgressHandler.Cancel)
{
return false;
}
IFeature polygon = input1.Features[0];
IFeature line = input2.Features[0];
IFeatureSet resultFs = new FeatureSet(FeatureType.Polygon);
int previous = 0;
if (DoClipPolygonWithLine(ref polygon, ref line, ref output) == false)
{
throw new SystemException(TextStrings.Exceptioninclipin);
}
int intFeature = output.Features.Count;
for (int i = 0; i < intFeature; i++)
{
Polygon poly = new Polygon(output.Features[i].Coordinates);
resultFs.AddFeature(poly);
int current = Convert.ToInt32(Math.Round(i * 100D / intFeature));
// only update when increment in percentage
if (current > previous)
{
cancelProgressHandler.Progress(string.Empty, current, current + TextStrings.progresscompleted);
}
previous = current;
}
cancelProgressHandler.Progress(string.Empty, 100, 100 + TextStrings.progresscompleted);
resultFs.SaveAs(output.Filename, true);
return true;
}
/// <summary>
/// Overload of BuildJoinedBasins that takes an outlets shape path used for Inlets resolution. If no outlets/inlets path given, it will treat all points as outlets
/// </summary>
// 2/11/09 rewritten by Chris George to dramatically improve speed:
// (a) use utils.ClipPolygon instead of SpatialOperations.MergeShapes
// (b) create a binary tree modeling the drainage pattern of the subbasins
// (b) merge "upstream-first" using the drainage tree so that each merge combines abutting polygons
public static bool BuildJoinedBasins(string subBasinShapePath, string outletsShapePath, string joinBasinShapeResultPath, IProgressHandler callback)
{
var shapeIdxList = new ArrayList();
BinTree drainage;
IFeatureSet outlets = null;
if (outletsShapePath != string.Empty)
{
outlets = FeatureSet.Open(outletsShapePath);
}
var shed = FeatureSet.Open(subBasinShapePath);
var dsNodeFieldNum = -1;
var dsShedFieldNum = -1;
var us1FieldNum = -1;
var us2FieldNum = -1;
for (var i = 0; i < shed.DataTable.Columns.Count; i++)
{
switch (shed.DataTable.Columns[i].ColumnName.ToUpper())
{
case "DSNODEID":
dsNodeFieldNum = i;
break;
case "DSWSID":
dsShedFieldNum = i;
break;
case "US1WSID":
us1FieldNum = i;
break;
case "US2WSID":
us2FieldNum = i;
break;
}
}
//DataManagement.DeleteShapefile(joinBasinShapeResultPath);
var newShed = new FeatureSet();
newShed.FeatureType = FeatureType.Polygon;
newShed.Filename = joinBasinShapeResultPath;
var idfieldnum = AddField(newShed, "MWShapeID", typeof(int));
var linkfieldnum = AddField(newShed, "LinkIDs", typeof(string));
var outletfieldnum = AddField(newShed, "OutletID", typeof(int));
var dswsfieldnum = AddField(newShed, "DSWSID", typeof(int));
var uswsfieldnum1 = AddField(newShed, "USWSID1", typeof(int));
var uswsfieldnum2 = AddField(newShed, "USWSID2", typeof(int));
var reservoirfieldnum = AddField(newShed, "Reservoir", typeof(int));
var oldperc = 0;
for (var sindx = 0; sindx < shed.NumRows(); sindx++)
{
if (shed.NumRows() > 1)
{
var newperc = Convert.ToInt32((Convert.ToDouble(sindx) / Convert.ToDouble(shed.NumRows())) * 100);
if (newperc > oldperc)
{
if (callback != null)
{
callback.Progress("Status", newperc, "Merging Watersheds to Outlets/Inlets");
}
oldperc = newperc;
}
}
DSNode dsNodeType = DSNode.Outlet;
var dsNodeVal = int.Parse(shed.get_CellValue(dsNodeFieldNum, sindx).ToString());
if (dsNodeVal > -1)
{
// an outlet, inlet, reservoir or point source
if (outletsShapePath == string.Empty)
{
// assume this is an outlet
drainage = getDrainageFromSubbasin(shed, outlets, false, true, sindx, dsNodeFieldNum, us1FieldNum, us2FieldNum);
}
else
{
dsNodeType = getDSNodeType(outlets, dsNodeVal);
if ((dsNodeType == DSNode.Outlet) || (dsNodeType == DSNode.Reservoir))
{
if (isUpstreamOfInlet(shed, outlets, sindx))
{
drainage = null;
}
else
{
drainage = getDrainageFromSubbasin(shed, outlets, true, true, sindx, dsNodeFieldNum, us1FieldNum, us2FieldNum);
}
}
else
{
// ignore inlets and point sources
drainage = null;
}
}
shapeIdxList.Clear();
if (drainage != null)
{
char[] sep = { ',' };
var idxs = drainage.ToString().Split(sep);
for (var i = 0; i < idxs.Length; i++)
{
shapeIdxList.Add(idxs[i]);
}
}
if (shapeIdxList.Count != 0)
{
IFeature mergeShape;
string strLinks;
if (shapeIdxList.Count == 1)
{
mergeShape = shed.get_Shape(int.Parse(shapeIdxList[0].ToString()));
strLinks = shed.get_CellValue(0, int.Parse(shapeIdxList[0].ToString())).ToString();
}
else
{
strLinks = shed.get_CellValue(0, int.Parse(shapeIdxList[0].ToString())).ToString();
for (int i = 1; i <= shapeIdxList.Count - 1; i++)
{
strLinks = strLinks + ", " + shed.get_CellValue(0, int.Parse(shapeIdxList[i].ToString()));
}
DateTime time = DateTime.Now;
mergeShape = mergeBasinsByDrainage(shed, drainage);
var elapsed = DateTime.Now.Subtract(time);
Trace.WriteLine("Made merged watershed of " + shapeIdxList.Count +
" subbasins in " + elapsed.TotalSeconds.ToString("F1") + " seconds");
}
// Check merged shape for single part and clockwise
if (mergeShape.NumGeometries > 1)
{
Trace.WriteLine("Merged polygon has " + mergeShape.NumGeometries + " parts");
}
else
{
var area = SignedArea(mergeShape);
if (area < 0)
{
Trace.WriteLine("Needed to reverse merged polygon");
mergeShape = ReverseShape(mergeShape);
}
}
var currshpidx = newShed.NumRows();
newShed.AddFeature(mergeShape);
newShed.EditCellValue(idfieldnum, currshpidx, currshpidx);
newShed.EditCellValue(linkfieldnum, currshpidx, strLinks);
newShed.EditCellValue(outletfieldnum, currshpidx, dsNodeVal);
if (int.Parse(shed.get_CellValue(dsShedFieldNum, sindx).ToString()) != -1)
{
newShed.EditCellValue(dswsfieldnum, currshpidx, shed.get_CellValue(dsShedFieldNum, sindx));
}
else
{
newShed.EditCellValue(dswsfieldnum, currshpidx, -1);
}
newShed.EditCellValue(uswsfieldnum1, currshpidx, -1);
newShed.EditCellValue(uswsfieldnum2, currshpidx, -1);
if (dsNodeType == DSNode.Reservoir)
{
newShed.EditCellValue(reservoirfieldnum, currshpidx, 1);
}
else
{
newShed.EditCellValue(reservoirfieldnum, currshpidx, 0);
}
}
}
}
buildMergeDownstreamUpStream(newShed, idfieldnum, linkfieldnum, dswsfieldnum, uswsfieldnum1, uswsfieldnum2);
newShed.Projection = shed.Projection;
shed.Close();
newShed.Save();
newShed.Close();
if (outletsShapePath != string.Empty)
{
outlets.Close();
}
if (callback != null)
{
callback.Progress(string.Empty, 0, string.Empty);
}
return true;
}
public static void exportSDFtoShapeFile(string inputsdfFile, string outputShapefile)
{
using (TextReader reader = new StreamReader(inputsdfFile))
{
string line;
while ((line = reader.ReadLine()) != null)
{
if (line.Trim() == "BEGIN BOUNDS:")
{
FeatureSet fs = new FeatureSet(FeatureType.Polygon);
fs.DataTable.Columns.AddRange(new DataColumn[]
{
new DataColumn("ProfileName" , typeof(string)),
new DataColumn("ProfileDate" , typeof(string)),
});
fs.AddFid();
while ((line = reader.ReadLine()) != null)
{
if (line.Trim() == "END BOUNDS:")
{
fs.SaveAs(outputShapefile, true);
break;
}
else if (line.Trim() == "PROFILE LIMITS:")
{
string profileName = "";
bool isDate = false;
DateTime dateTime = DateTime.Now;
IList<Coordinate> coordinates = new List<Coordinate>();
while ((line = reader.ReadLine()) != null)
{
string[] cols;
double x, y, z;
if (line.Trim() == "END:")
{
Polygon p = new Polygon(coordinates);
IFeature f = fs.AddFeature(p);
f.DataRow.BeginEdit();
f.DataRow["ProfileName"] = profileName;
if (isDate)
{
f.DataRow["ProfileDate"] = dateTime.ToString("yyyy/MM/dd HH:mm:ss");
}
f.DataRow.EndEdit();
break;
}
else if (line.Trim() == "POLYGON:")
{
}
else if ((cols = line.Trim().Split(new string[] { ":", "," }, StringSplitOptions.RemoveEmptyEntries)).Length > 1)
{
if (cols[0].Trim() == "PROFILE ID")
{
profileName = cols[1].Trim();
cols = profileName.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
int day, year;
if (cols.Length == 2 && int.TryParse(cols[0].Substring(0, 2), out day) && int.TryParse(cols[0].Substring(5, 4), out year) && months.ContainsKey(cols[0].Substring(2, 3)))
{
isDate = true;
dateTime = new DateTime(year, months[cols[0].Substring(2, 3)], day);
dateTime = dateTime.AddHours(double.Parse(cols[1].Substring(0, 2)));
dateTime = dateTime.AddMinutes(double.Parse(cols[1].Substring(2, 2)));
}
}
else if (
double.TryParse(cols[0], out x) &&
double.TryParse(cols[1], out y) &&
double.TryParse(cols[2], out z)
)
{
coordinates.Add(new Coordinate(x, y, z) { Z = z });
}
}
}
}
}
}
}
}
}
private void ExcelDatasetToLayer()
{
try
{
if (_excelDataset != null)
{
var excelTable = _excelDataset.Tables[0];
if (excelTable.Columns.Contains("lat") & excelTable.Columns.Contains("long"))
{
FeatureSet fs = new FeatureSet(FeatureType.Point);
fs.Projection = KnownCoordinateSystems.Geographic.World.WGS1984;
// Set columns of attribute table
fs.DataTable = excelTable.Clone();
foreach (DataRow excelRow in excelTable.Rows)
{
string lat = (excelRow["lat"].ToString());
string lon = (excelRow["long"].ToString());
if (!string.IsNullOrEmpty(lat) && !string.IsNullOrEmpty(lon))
{
// Add the point to the FeatureSet
Coordinate coord = new Coordinate(Double.Parse(lon), Double.Parse(lat));
DotSpatial.Topology.Point point = new DotSpatial.Topology.Point(coord);
IFeature feature = fs.AddFeature(point);
// Bring over all of the data as attribute data.
for (int i = 0; i <= excelTable.Columns.Count - 1; i++)
{
feature.DataRow[i] = excelRow[i];
}
}
}
foreach (var item in fieldsList.Where(c => c.isChecked == false))
{
fs.DataTable.Columns.Remove(item.Field);
}
var shapePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TempFiles", Path.GetFileNameWithoutExtension(_filePath) + ".shp");
if (!Directory.Exists(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TempFiles")))
Directory.CreateDirectory(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TempFiles"));
fs.SaveAs(shapePath, true);
PluginExtension.MyAppManager.Map.Layers.Add(shapePath);
}
else
{
MessageBox.Show("The excel file must have lat and long columns.");
}
}
else
{
MessageBox.Show("Please provide file.");
}
}
catch (Exception ex)
{
throw ex;
}
}