public static bool IsNodeInBuilding(Node node, ICompleteOsmGeo building)
{
if (building is Node buildingNode)
{
return(DistanceMeters(node, buildingNode) <= 1);
}
else if (building is CompleteWay buildingWay)
{
var point = new NetTopologySuite.Geometries.Point(node.Longitude.Value, node.Latitude.Value);
if (buildingWay.Nodes.Length < 4 || (buildingWay.Nodes.First() != buildingWay.Nodes.Last()))
{
return(false);
}
var ring = new NetTopologySuite.Geometries.LinearRing(
buildingWay.Nodes.Select(n => new Coordinate(n.Longitude.Value, n.Latitude.Value)).ToArray());
var polygon = new NetTopologySuite.Geometries.Polygon(ring);
return(point.Within(polygon));
}
else if (building is CompleteRelation buildingRelation)
{
// "in" means that even if I land in the center of a donut, I'm still "in" the building.
// This isn't 100% accurate (false negative) for polygons where the closed outer ring is defined by more than 2 open ways.
return(buildingRelation.Members.Any(m => m.Role != "inner" && IsNodeInBuilding(node, m.Member)));
}
throw new Exception("ICompleteOsmGeo wasn't a Node, Way or Relation.");
}
// METHOD IsCCW() IS MODIFIED FROM ANOTHER WORK AND IS ORIGINALLY BASED ON GeoTools.NET:
/*
* Copyright (C) 2002 Urban Science Applications, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/// <summary>
/// Tests whether a ring is oriented counter-clockwise.
/// </summary>
/// <param name="ring">Ring to test.</param>
/// <returns>Returns true if ring is oriented counter-clockwise.</returns>
public static bool IsCCW(LinearRing ring)
{
Coordinate PrevPoint, NextPoint;
Coordinate p;
// Check if the ring has enough vertices to be a ring
if (ring.Coordinates.Length < 3) throw (new ArgumentException("Invalid LinearRing"));
// find the point with the largest Y coordinate
var hip = ring.Coordinates[0];
int hii = 0;
for (int i = 1; i < ring.Coordinates.Length; i++)
{
p = ring.Coordinates[i];
if (p.Y > hip.Y)
{
hip = p;
hii = i;
}
}
// Point left to Hip
int iPrev = hii - 1;
if (iPrev < 0) iPrev = ring.Coordinates.Length - 2;
// Point right to Hip
int iNext = hii + 1;
if (iNext >= ring.Coordinates.Length) iNext = 1;
PrevPoint = ring.Coordinates[iPrev];
NextPoint = ring.Coordinates[iNext];
// translate so that hip is at the origin.
// This will not affect the area calculation, and will avoid
// finite-accuracy errors (i.e very small vectors with very large coordinates)
// This also simplifies the discriminant calculation.
double prev2x = PrevPoint.X - hip.X;
double prev2y = PrevPoint.Y - hip.Y;
double next2x = NextPoint.X - hip.X;
double next2y = NextPoint.Y - hip.Y;
// compute cross-product of vectors hip->next and hip->prev
// (e.g. area of parallelogram they enclose)
double disc = next2x*prev2y - next2y*prev2x;
// If disc is exactly 0, lines are collinear. There are two possible cases:
// (1) the lines lie along the x axis in opposite directions
// (2) the line lie on top of one another
// (2) should never happen, so we're going to ignore it!
// (Might want to assert this)
// (1) is handled by checking if next is left of prev ==> CCW
if (disc == 0.0)
{
// poly is CCW if prev x is right of next x
return (PrevPoint.X > NextPoint.X);
}
else
{
// if area is positive, points are ordered CCW
return (disc > 0.0);
}
}
public static IPolygon ToPolygon(this Envelope envelope)
{
ILinearRing ring = new LinearRing(new Coordinate[] {
new Coordinate(envelope.MinX, envelope.MinY),
new Coordinate(envelope.MinX, envelope.MaxY),
new Coordinate(envelope.MaxX, envelope.MaxY),
new Coordinate(envelope.MaxX, envelope.MinY),
new Coordinate(envelope.MinX, envelope.MinY)
});
return new Polygon(ring);
}
/// <summary>
/// Constructs a <c>Polygon</c> with the given exterior boundary and
/// interior boundaries.
/// </summary>
/// <param name="shell">
/// The outer boundary of the new <c>Polygon</c>,
/// or <c>null</c> or an empty <c>LinearRing</c> if the empty
/// point is to be created.
/// </param>
/// <param name="holes">
/// The inner boundaries of the new <c>Polygon</c>
/// , or <c>null</c> or empty <c>LinearRing</c>s if the empty
/// point is to be created.
/// </param>
/// <param name="factory"></param>
public Polygon(LinearRing shell, LinearRing[] holes, GeometryFactory factory) : base(factory)
{
if (shell == null)
{
shell = Factory.CreateLinearRing();
}
if (holes == null)
{
holes = new LinearRing[] { }
}
;
if (HasNullElements <LinearRing>(holes))
{
throw new ArgumentException("holes must not contain null elements");
}
if (shell.IsEmpty && HasNonEmptyElements(holes))
{
throw new ArgumentException("shell is empty but holes are not");
}
_shell = shell;
_holes = holes;
}
/// <inheritdoc/>
/// <remarks>
/// The <see cref="Polygon.ExteriorRing"/> is guaranteed to be orientated counter-clockwise.
/// <br/>The <see cref="Polygon.InteriorRings"/> are guaranteed to be orientated clockwise.
/// </remarks>
public override Polygon CreatePolygon(LinearRing shell, LinearRing[] holes)
{
if (shell != null)
{
if (!shell.IsCCW)
{
shell = ReverseRing(shell);
}
}
if (holes != null)
{
for (int i = 0; i < holes.Length; i++)
{
if (holes[i].IsCCW)
{
holes[i] = ReverseRing(holes[i]);
}
}
}
return(base.CreatePolygon(shell, holes));
}
/// <summary>
/// Constructs a <c>Polygon</c> with the given exterior boundary.
/// </summary>
/// <param name="shell">the outer boundary of the new <c>Polygon</c>, or
/// <c>null</c> or an empty <c>LinearRing</c> if
/// the empty geometry is to be created.</param>
/// <returns>the created Polygon</returns>
/// <exception cref="ArgumentException">If the boundary ring is invalid</exception>
public virtual Polygon CreatePolygon(LinearRing shell)
{
return(CreatePolygon(shell, null));
}
/// <summary>
/// Constructs a <c>Polygon</c> with the given exterior boundary and
/// interior boundaries.
/// </summary>
/// <param name="shell">
/// The outer boundary of the new <c>Polygon</c>, or
/// <c>null</c> or an empty <c>LinearRing</c> if
/// the empty point is to be created.
/// </param>
/// <param name="holes">
/// The inner boundaries of the new <c>Polygon</c>, or
/// <c>null</c> or empty <c>LinearRing</c> s if
/// the empty point is to be created.
/// </param>
/// <returns>A <see cref="Polygon"/> object</returns>
public virtual Polygon CreatePolygon(LinearRing shell, LinearRing[] holes)
{
return(new Polygon(shell, holes, this));
}
private IGeometry BuildPolygon()
{
if (this.rings.Count == 0)
{
return Polygon.Empty;
}
ILinearRing shell = new LinearRing(this.rings[0]);
ILinearRing[] holes =
this.rings.GetRange(1, this.rings.Count - 1)
.ConvertAll<ILinearRing>(delegate(Coordinate[] coordinates)
{
return new LinearRing(coordinates);
}).ToArray();
this.rings.Clear();
return new Polygon(shell, holes);
}
private static LinearRing CreateWKBLinearRing(BinaryReader reader, WkbByteOrder byteOrder)
{
//l.Vertices.AddRange(ReadCoordinates(reader, byteOrder));
Point[] arrPoint = ReadCoordinates(reader, byteOrder);
Coordinate clasurePoint = null;
//if polygon isn't closed, add the first point to the end (this shouldn't occur for correct WKB data)
if (arrPoint[0].X != arrPoint[arrPoint.Length - 1].X ||
arrPoint[0].Y != arrPoint[arrPoint.Length - 1].Y)
{
clasurePoint = new Coordinate(arrPoint[0].X, arrPoint[0].Y);
}
Coordinate[] arrCoordinate;
if (clasurePoint == null)
{
arrCoordinate = new Coordinate[arrPoint.Length];
}
else
{
arrCoordinate = new Coordinate[arrPoint.Length+1];
}
for (int i = 0; i < arrPoint.Length; i++)
arrCoordinate[i] = new Coordinate(arrPoint[i].X, arrPoint[i].Y);
if (clasurePoint != null)
arrCoordinate[arrCoordinate.Length - 1] = clasurePoint;
LinearRing l = new LinearRing(arrCoordinate);
return l;
}
private Polygon readPolygon()
{
br.BaseStream.Seek(4 * 8, SeekOrigin.Current); // Skip bounding box
int numparts = br.ReadInt32();
int numpoints = br.ReadInt32();
pos += 4 * 8 + 8;
// parts[] contain accumulated number of points in each polygon part
int[] parts = new int[numparts+1];
for (int i = 0; i < numparts; i++)
parts[i] = br.ReadInt32();
parts[numparts] = numpoints;
pos += 4 * numparts;
// polygon to be read
ILinearRing p = null;
// potential holes in polygon
List<ILinearRing> holes = new List<ILinearRing>();
for (int i = 0; i < numparts; i++)
{
// read points
var points = readPolygonPart(parts[i + 1] - parts[i]);
if (p == null) // first polygon is boundary
p = new LinearRing(points.ToArray());
else // subsequent polygons are holes
holes.Add(new LinearRing(points.ToArray()));
}
return new Polygon(p, holes.ToArray());
}
public List <Object> CalculateDataTable(string polyfile)
{
//Calling EPA WATERS:
//https://ofmpub.epa.gov/waters10/SpatialAssignment.Service?pGeometry=POINT(-76.7498+37.5)&pLayer=NHDPLUS_CATCHMENT&pAssignmentHint=9894716&pReturnGeometry=TRUE
//List<GeoAPI.Geometries.IGeometry> polys = new List<GeoAPI.Geometries.IGeometry>();
List <GeoAPI.Geometries.IGeometry> squares = new List <GeoAPI.Geometries.IGeometry>();
ArrayList polys = new ArrayList();
ArrayList polyfeats = new ArrayList();
List <Object> infoTable = new List <Object>();
double squareArea = 0;//0.015625;
double gridArea = 0;
double polygonArea = 0;
string catchmentID = "";
//////////////
string gridfile = @"M:\DotSpatTopology\tests\NLDAS_Grid_Reference.shp";//"";
string gridproj = @"M:\DotSpatTopology\tests\NLDAS_Grid_Reference.prj";
//////////////
Guid gid = Guid.NewGuid();
string directory = @"M:\\TransientStorage\\" + gid.ToString() + "\\";
//This block is for getting and setting shapefiles for NLDAS Grid
/**
* client.DownloadFile("https://ldas.gsfc.nasa.gov/nldas/gis/NLDAS_Grid_Reference.zip", @"M:\\TransientStorage\\NLDAS.zip");
* ZipFile.ExtractToDirectory(@"M:\\TransientStorage\\NLDAS.zip", @"M:\\TransientStorage\\NLDAS");
* unzippedLocation = (@"M:\\TransientStorage\\NLDAS");
* foreach (string file in Directory.GetFiles(unzippedLocation))
* {
* if (Path.GetExtension(file).Equals(".shp"))
* {
* gridfile = file;
* }
* else if (Path.GetExtension(file).Equals(".prj"))
* {
* gridproj = file;
* }
* }
* client.Dispose();**/
ShapefileDataReader reader2 = new ShapefileDataReader(gridfile, NetTopologySuite.Geometries.GeometryFactory.Default);
while (reader2.Read())
{
squares.Add(reader2.Geometry);
gridArea += reader2.Geometry.Area;
}
reader2.Dispose();
//if (polyfile.StartsWith(@"{""type"": ""FeatureCollection"""))
if (polyfile.StartsWith(@"{""type"":"))//.geojson
{
Boolean version1 = true;
string[] featureParams = new string[3];
string jsonfile = polyfile;
var readera = new NetTopologySuite.IO.GeoJsonReader();
NetTopologySuite.Features.FeatureCollection result = readera.Read <NetTopologySuite.Features.FeatureCollection>(jsonfile);
if (result[0].Attributes.GetNames().Contains("HUC_8"))
{
version1 = false;
featureParams[0] = "OBJECTID";
featureParams[1] = "HUC_8";
featureParams[2] = "HUC_12";
}
else if (result[0].Attributes.GetNames().Contains("HUC8"))
{
version1 = true;
featureParams[0] = "COMID";
featureParams[1] = "HUC8";
featureParams[2] = "HUC12";
}
else
{
version1 = false;
featureParams[0] = null;
featureParams[1] = null;
featureParams[2] = null;
}
List <Object> huc8Table = new List <Object>();
Dictionary <string, string> h8 = new Dictionary <string, string>();
h8.Add("HUC 8 ID: ", result[0].Attributes[featureParams[1]].ToString());
huc8Table.Add(h8);
//huc8Table.Add(new KeyValuePair<string, string>("HUC 8 ID: ", result[0].Attributes[featureParams[1]].ToString()));
for (int i = 0; i < result.Count; i++)
{
List <Object> huc12Table = new List <Object>();
if (version1)
{
huc12Table.Add(new KeyValuePair <string, string>("HUC 12 ID: ", null));
}
else
{
Dictionary <string, string> h12 = new Dictionary <string, string>();
h12.Add("HUC 12 ID: ", result[i].Attributes["HUC_12"].ToString());
huc12Table.Add(h12);
//huc12Table.Add(new KeyValuePair<string, string>("HUC 12 ID: ", result[i].Attributes["HUC_12"].ToString()));
}
catchmentID = result[i].Attributes[featureParams[0]].ToString();
Dictionary <string, string> cm = new Dictionary <string, string>();
cm.Add("Catchment ID: ", catchmentID);
huc12Table.Add(cm);
//huc12Table.Add(new KeyValuePair<string, string>("Catchment ID: ", catchmentID));
foreach (GeoAPI.Geometries.IGeometry s in squares)
{
double interArea = 0.0;
squareArea = s.Area;
if (result[i].Geometry.Intersects(s))
{
GeoAPI.Geometries.IGeometry intersection = result[i].Geometry.Intersection(s);
interArea += intersection.Area;
double percent2 = (interArea / squareArea) * 100;
Dictionary <string, string> catchTable = new Dictionary <string, string>();
//catchTable.Add("catchmentID", catchmentID);
catchTable.Add("latitude", s.Centroid.X.ToString());
catchTable.Add("longitude", s.Centroid.Y.ToString());
catchTable.Add("cellArea", squareArea.ToString());
catchTable.Add("containedArea", interArea.ToString());
catchTable.Add("percentArea", percent2.ToString());
huc12Table.Add(catchTable);
}
}
huc8Table.Add(huc12Table);
}
infoTable.Add(huc8Table);
}
else //Huc ID
{
catchmentID = polyfile;
string ending = polyfile + ".zip";
WebClient client = new WebClient();
DirectoryInfo di = Directory.CreateDirectory(directory);
client.DownloadFile("ftp://newftp.epa.gov/exposure/NHDV1/HUC12_Boundries/" + ending, directory + ending);
string projfile = "";
string dataFile = "";
ZipFile.ExtractToDirectory(directory + ending, directory + polyfile);
string unzippedLocation = (directory + polyfile + "\\" + polyfile); //+ "\\NHDPlus" + polyfile + "\\Drainage");
foreach (string file in Directory.GetFiles(unzippedLocation))
{
if (Path.GetExtension(file).Equals(".shp"))
{
polyfile = file;
}
else if (Path.GetExtension(file).Equals(".prj"))
{
projfile = file;
}
else if (Path.GetExtension(file).Equals(".dbf"))
{
dataFile = file;
}
}
//This block is for setting projection parameters of input shapefile and projecting it to NLDAS grid
//Reprojecting of coordinates is not needed for NHDPlus V2
string line = System.IO.File.ReadAllText(projfile);
//string line = @"PROJCS[""unnamed"",GEOGCS[""unnamed ellipse"",DATUM[""unknown"",SPHEROID[""unnamed"",6378137,0]],PRIMEM[""Greenwich"",0],UNIT[""degree"",0.0174532925199433]],PROJECTION[""Mercator_2SP""],PARAMETER[""latitude_of_origin"",0],PARAMETER[""standard_parallel_1"",0],PARAMETER[""central_meridian"",0],PARAMETER[""false_easting"",0],PARAMETER[""false_northing"",0],UNIT[""Meter"",1]]";//System.IO.File.ReadAllText(projfile);
string[] projParams = { "PARAMETER", @"PARAMETER[""latitude_of_origin"",0]," };//@"PARAMETER[""false_easting"",0],", @"PARAMETER[""false_northing"",0],", @"PARAMETER[""central_meridian"",0],", @"PARAMETER[""standard_parallel_1"",0],", @"PARAMETER[""standard_parallel_2"",0],", @"PARAMETER[""latitude_Of_origin"",0]," };
int ptr = 0;
foreach (string x in projParams)
{
if (line.Contains(x))
{
ptr = line.IndexOf(x);
}
else if (!line.Contains(x) && !x.Equals("PARAMETER"))
{
line = line.Insert(ptr, x);
}
}
string line2 = System.IO.File.ReadAllText(gridproj);
IProjectedCoordinateSystem pcs = CoordinateSystemWktReader.Parse(line) as IProjectedCoordinateSystem;
IGeographicCoordinateSystem gcs = GeographicCoordinateSystem.WGS84 as IGeographicCoordinateSystem;
CoordinateTransformationFactory ctfac = new CoordinateTransformationFactory();
ICoordinateTransformation transformTo = ctfac.CreateFromCoordinateSystems(pcs, gcs);
IMathTransform inverseTransformTo = transformTo.MathTransform;
//Read geometries from both shapefiles and store in array lists
ShapefileDataReader reader = new ShapefileDataReader(polyfile, NetTopologySuite.Geometries.GeometryFactory.Default);
DbaseFileHeader header = reader.DbaseHeader;
string huc8 = "";
while (reader.Read())
{
//Reprojection not needed for NHDPLUSV2
CoordinateList cordlist = new CoordinateList();
foreach (Coordinate coord in reader.Geometry.Coordinates)
{
double[] newCoord = { coord.X, coord.Y };
newCoord = inverseTransformTo.Transform(newCoord);
Coordinate newpt = new Coordinate(newCoord[0], newCoord[1]);
cordlist.Add(newpt);
}
Coordinate[] listofpts = cordlist.ToCoordinateArray();
IGeometryFactory geoFactory = new NetTopologySuite.Geometries.GeometryFactory();
NetTopologySuite.Geometries.LinearRing linear = (NetTopologySuite.Geometries.LinearRing) new GeometryFactory().CreateLinearRing(listofpts);
Feature feature = new Feature();
AttributesTable attributesTable = new AttributesTable();
string[] keys = new string[header.NumFields];
IGeometry geometry = (Geometry)reader.Geometry;
for (int i = 0; i < header.NumFields; i++)
{
DbaseFieldDescriptor fldDescriptor = header.Fields[i];
keys[i] = fldDescriptor.Name;
attributesTable.AddAttribute(fldDescriptor.Name, reader.GetValue(i));
}
feature.Geometry = geometry;
feature.Attributes = attributesTable;
polyfeats.Add(feature.Attributes);
huc8 = attributesTable.GetValues()[5].ToString();
Polygon projPoly = new Polygon(linear, null, geoFactory);
polys.Add(projPoly);
polygonArea += projPoly.Area;
}
reader.Dispose();
List <Object> huc8Table = new List <Object>();
Dictionary <string, string> h8 = new Dictionary <string, string>();
h8.Add("HUC 8 ID: ", catchmentID);
huc8Table.Add(h8);
int j = 0;
foreach (Polygon p in polys)
{
List <Object> huc12Table = new List <Object>();
Dictionary <string, string> cm = new Dictionary <string, string>();
//
AttributesTable tab = (AttributesTable)polyfeats[j];
object[] valuesl = tab.GetValues();
cm.Add("HUC 12 ID: ", valuesl[17].ToString());
huc12Table.Add(cm);
//huc12Table.Add(new KeyValuePair<string, string>("HUC 12 ID: ", null));
catchmentID = null;//result[i].Attributes["OBJECTID"].ToString();
Dictionary <string, string> cm2 = new Dictionary <string, string>();
cm2.Add("Catchment ID: ", catchmentID);
huc12Table.Add(cm2);
//huc12Table.Add(new KeyValuePair<string, string>("Catchment ID: ", catchmentID));
foreach (GeoAPI.Geometries.IGeometry s in squares)
{
double interArea = 0.0;
squareArea = s.Area;
if (p.Intersects(s))
{
GeoAPI.Geometries.IGeometry intersection = p.Intersection(s);
interArea += intersection.Area;
double percent2 = (interArea / squareArea) * 100;
Dictionary <string, string> catchTable = new Dictionary <string, string>();
//catchTable.Add("catchmentID", catchmentID);
catchTable.Add("latitude", s.Centroid.X.ToString());
catchTable.Add("longitude", s.Centroid.Y.ToString());
catchTable.Add("cellArea", squareArea.ToString());
catchTable.Add("containedArea", interArea.ToString());
catchTable.Add("percentArea", percent2.ToString());
huc12Table.Add(catchTable);
}
}
huc8Table.Add(huc12Table);
j++;
}
infoTable.Add(huc8Table);
}
//System.IO.DirectoryInfo del = new DirectoryInfo(directory);
/*
* foreach (FileInfo file in del.GetFiles())
* {
* file.Delete();
* }
* foreach (DirectoryInfo dir in del.GetDirectories())
* {
* dir.Delete(true);
* }*/
//del.Delete(true);
return(infoTable);
}
/// <summary>
/// Constructs a <c>Polygon</c> with the given exterior boundary.
/// </summary>
/// <param name="shell">
/// The outer boundary of the new <c>Polygon</c>,
/// or <c>null</c> or an empty <c>LinearRing</c> if the empty
/// polygon is to be created.
/// </param>
public Polygon(LinearRing shell) : this(shell, null, DefaultFactory)
{
}
/// <summary>
/// Abbreviation to counter clockwise function
/// </summary>
/// <param name="self">The ring</param>
/// <returns><c>true</c> if the ring is oriented counter clockwise</returns>
public static bool IsCCW(this LinearRing self)
{
return(NetTopologySuite.Algorithm.Orientation.IsCCW(self.Coordinates));
}
private void UpdateNonClosedRing(LinearRing ring)
{
Coordinate[] pts = ring.Coordinates;
pts[0].X += 0.0001;
}
/// <summary>
/// This method produces instances of type Polygon/>.
/// </summary>
/// <returns>The created geometries</returns>
internal override Collection<SimpleGisShape> createGeometries()
{
SimpleGisShape shp = null;
XmlReader outerBoundaryReader = null;
XmlReader innerBoundariesReader = null;
IPathNode polygonNode = new PathNode(_GMLNS, "Polygon", (NameTable)_xmlReader.NameTable);
IPathNode outerBoundaryNode = new PathNode(_GMLNS, "outerBoundaryIs", (NameTable)_xmlReader.NameTable);
IPathNode exteriorNode = new PathNode(_GMLNS, "exterior", (NameTable)_xmlReader.NameTable);
IPathNode outerBoundaryNodeAlt = new AlternativePathNodesCollection(outerBoundaryNode, exteriorNode);
IPathNode innerBoundaryNode = new PathNode(_GMLNS, "innerBoundaryIs", (NameTable)_xmlReader.NameTable);
IPathNode interiorNode = new PathNode(_GMLNS, "interior", (NameTable)_xmlReader.NameTable);
IPathNode innerBoundaryNodeAlt = new AlternativePathNodesCollection(innerBoundaryNode, interiorNode);
IPathNode linearRingNode = new PathNode(_GMLNS, "LinearRing", (NameTable)_xmlReader.NameTable);
string[] labelValue = new string[1];
try
{
ParseBoundingBox();
// Reading the entire feature's node makes it possible to collect label values that may appear before or after the geometry property
while ((_featureReader = GetSubReaderOf(_xmlReader, null, _featureNode)) != null)
{
while ((_geomReader = GetSubReaderOf(_featureReader, null, _propertyNode)) != null)
{
bool isSelected;
int uid;
List<string> ll = ParseProperties(_geomReader, out isSelected, out uid);
_geomReader = GetSubReaderOf(_featureReader, labelValue, polygonNode);
ILinearRing shell = null;
List<ILinearRing> holes = new List<ILinearRing>();
if (
(outerBoundaryReader =
GetSubReaderOf(_geomReader, null, outerBoundaryNodeAlt, linearRingNode, _CoordinatesNode)) !=
null)
shell = new LinearRing(ParseCoordinates(outerBoundaryReader));
while (
(innerBoundariesReader =
GetSubReaderOf(_geomReader, null, innerBoundaryNodeAlt, linearRingNode, _CoordinatesNode)) !=
null)
holes.Add(new LinearRing(ParseCoordinates(innerBoundariesReader)));
Polygon polygon = new Polygon(shell, holes.ToArray());
shp = new SimpleGisShape(polygon);
shp.IsSelected = isSelected;
shp.UID = uid;
_shapes.Add(shp);
FillShapeFields(shp, ll);
}
}
}
catch (Exception ex)
{
throw ex;
}
return _shapes;
}
private static LinearRing ReverseRing(LinearRing ring)
{
return((LinearRing)ring.Reverse());
}
/// <inheritdoc/>
/// <remarks>
/// The <see cref="Polygon.ExteriorRing"/> is guaranteed to be orientated counter-clockwise.
/// </remarks>
public override Polygon CreatePolygon(LinearRing shell)
{
return(CreatePolygon(shell, null));
}
/// <summary>
/// Initializes a new instance of the <see cref="Polygon"/> class.
/// </summary>
/// <param name="shell">
/// The outer boundary of the new <c>Polygon</c>,
/// or <c>null</c> or an empty <c>LinearRing</c> if the empty
/// point is to be created.
/// </param>
/// <param name="holes">
/// The inner boundaries of the new <c>Polygon</c>
/// , or <c>null</c> or empty <c>LinearRing</c>s if the empty
/// point is to be created.
/// </param>
/// <remarks>
/// For create this <see cref="Geometry"/> is used a standard <see cref="GeometryFactory"/>
/// with <see cref="PrecisionModel" /> <c> == </c> <see cref="PrecisionModels.Floating"/>.
/// </remarks>
public Polygon(LinearRing shell, LinearRing[] holes) : this(shell, holes, DefaultFactory)
{
}
public List <Object> CalculateDataTable(string polyfile)
{
//List<GeoAPI.Geometries.IGeometry> polys = new List<GeoAPI.Geometries.IGeometry>();
List <GeoAPI.Geometries.IGeometry> squares = new List <GeoAPI.Geometries.IGeometry>();
ArrayList polys = new ArrayList();
List <Object> infoTable = new List <Object>();
double squareArea = 0;//0.015625;
double gridArea = 0;
double polygonArea = 0;
string catchmentID = "";
//////////////
string gridfile = @"M:\DotSpatTopology\tests\NLDAS_Grid_Reference.shp";//"";
string gridproj = @"M:\DotSpatTopology\tests\NLDAS_Grid_Reference.prj";
//////////////
Guid gid = Guid.NewGuid();
string directory = @"M:\\TransientStorage\\" + gid.ToString() + "\\";
//This block is for getting and setting shapefiles for NLDAS Grid
/**
* client.DownloadFile("https://ldas.gsfc.nasa.gov/nldas/gis/NLDAS_Grid_Reference.zip", @"M:\\TransientStorage\\NLDAS.zip");
* ZipFile.ExtractToDirectory(@"M:\\TransientStorage\\NLDAS.zip", @"M:\\TransientStorage\\NLDAS");
* unzippedLocation = (@"M:\\TransientStorage\\NLDAS");
* foreach (string file in Directory.GetFiles(unzippedLocation))
* {
* if (Path.GetExtension(file).Equals(".shp"))
* {
* gridfile = file;
* }
* else if (Path.GetExtension(file).Equals(".prj"))
* {
* gridproj = file;
* }
* }
* client.Dispose();**/
ShapefileDataReader reader2 = new ShapefileDataReader(gridfile, NetTopologySuite.Geometries.GeometryFactory.Default);
while (reader2.Read())
{
squares.Add(reader2.Geometry);
gridArea += reader2.Geometry.Area;
}
reader2.Dispose();
//if (polyfile.StartsWith(@"{""type"": ""FeatureCollection"""))
if (polyfile.StartsWith(@"{""type"":"))//.geojson
{
Boolean version1 = true;
string[] featureParams = new string[3];
string jsonfile = polyfile;
var readera = new NetTopologySuite.IO.GeoJsonReader();
NetTopologySuite.Features.FeatureCollection result = readera.Read <NetTopologySuite.Features.FeatureCollection>(jsonfile);
if (result[0].Attributes.GetNames().Contains("HUC_8"))
{
version1 = false;
featureParams[0] = "OBJECTID";
featureParams[1] = "HUC_8";
featureParams[2] = "HUC_12";
}
else if (result[0].Attributes.GetNames().Contains("HUC8"))
{
version1 = true;
featureParams[0] = "COMID";
featureParams[1] = "HUC8";
featureParams[2] = "HUC12";
}
else
{
version1 = false;
featureParams[0] = null;
featureParams[1] = null;
featureParams[2] = null;
}
List <Object> huc8Table = new List <Object>();
huc8Table.Add(new KeyValuePair <string, string>("HUC 8 ID: ", result[0].Attributes[featureParams[1]].ToString()));
for (int i = 0; i < result.Count; i++)
{
List <Object> huc12Table = new List <Object>();
if (version1)
{
huc12Table.Add(new KeyValuePair <string, string>("HUC 12 ID: ", null));
}
else
{
huc12Table.Add(new KeyValuePair <string, string>("HUC 12 ID: ", result[i].Attributes["HUC_12"].ToString()));
}
catchmentID = result[i].Attributes[featureParams[0]].ToString();
huc12Table.Add(new KeyValuePair <string, string>("Catchment ID: ", catchmentID));
foreach (GeoAPI.Geometries.IGeometry s in squares)
{
double interArea = 0.0;
squareArea = s.Area;
if (result[i].Geometry.Intersects(s))
{
GeoAPI.Geometries.IGeometry intersection = result[i].Geometry.Intersection(s);
interArea += intersection.Area;
double percent2 = (interArea / squareArea) * 100;
Dictionary <string, string> catchTable = new Dictionary <string, string>();
//catchTable.Add("catchmentID", catchmentID);
catchTable.Add("latitude", s.Centroid.X.ToString());
catchTable.Add("longitude", s.Centroid.Y.ToString());
catchTable.Add("cellArea", squareArea.ToString());
catchTable.Add("containedArea", interArea.ToString());
catchTable.Add("percentArea", percent2.ToString());
huc12Table.Add(catchTable);
}
}
huc8Table.Add(huc12Table);
}
infoTable.Add(huc8Table);
}
else //Huc ID
{
catchmentID = polyfile;
string ending = polyfile + ".zip";
WebClient client = new WebClient();
DirectoryInfo di = Directory.CreateDirectory(directory);
client.DownloadFile("ftp://newftp.epa.gov/exposure/NHDV1/HUC12_Boundries/" + ending, directory + ending);
string projfile = "";
string dataFile = "";
ZipFile.ExtractToDirectory(directory + ending, directory + polyfile);
string unzippedLocation = (directory + polyfile + "\\" + polyfile); //+ "\\NHDPlus" + polyfile + "\\Drainage");
foreach (string file in Directory.GetFiles(unzippedLocation))
{
if (Path.GetExtension(file).Equals(".shp"))
{
polyfile = file;
}
else if (Path.GetExtension(file).Equals(".prj"))
{
projfile = file;
}
else if (Path.GetExtension(file).Equals(".dbf"))
{
dataFile = file;
}
}
//This block is for setting projection parameters of input shapefile and projecting it to NLDAS grid
//Reprojecting of coordinates is not needed for NHDPlus V2
string line = System.IO.File.ReadAllText(projfile);
string[] projParams = { "PARAMETER", @"PARAMETER[""latitude_Of_origin"",0]," };//@"PARAMETER[""false_easting"",0],", @"PARAMETER[""false_northing"",0],", @"PARAMETER[""central_meridian"",0],", @"PARAMETER[""standard_parallel_1"",0],", @"PARAMETER[""standard_parallel_2"",0],", @"PARAMETER[""latitude_Of_origin"",0]," };
int ptr = 0;
foreach (string x in projParams)
{
if (line.Contains(x))
{
ptr = line.IndexOf(x);
}
else if (!line.Contains(x) && !x.Equals("PARAMETER"))
{
line = line.Insert(ptr, x);
}
}
string line2 = System.IO.File.ReadAllText(gridproj);
IProjectedCoordinateSystem pcs = CoordinateSystemWktReader.Parse(line) as IProjectedCoordinateSystem;
IGeographicCoordinateSystem gcs = GeographicCoordinateSystem.WGS84 as IGeographicCoordinateSystem;
CoordinateTransformationFactory ctfac = new CoordinateTransformationFactory();
ICoordinateTransformation transformTo = ctfac.CreateFromCoordinateSystems(pcs, gcs);
IMathTransform inverseTransformTo = transformTo.MathTransform;
//Read geometries from both shapefiles and store in array lists
//As well as calculate shapefile areas ahead of time
ShapefileDataReader reader = new ShapefileDataReader(polyfile, NetTopologySuite.Geometries.GeometryFactory.Default);
while (reader.Read())
{
//Reprojection not needed for NHDPLUSV2
CoordinateList cordlist = new CoordinateList();
foreach (Coordinate coord in reader.Geometry.Coordinates)
{
double[] newCoord = { coord.X, coord.Y };
newCoord = inverseTransformTo.Transform(newCoord);
Coordinate newpt = new Coordinate(newCoord[0], newCoord[1]);
cordlist.Add(newpt);
}
Coordinate[] listofpts = cordlist.ToCoordinateArray();
IGeometryFactory geoFactory = new NetTopologySuite.Geometries.GeometryFactory();
NetTopologySuite.Geometries.LinearRing linear = (NetTopologySuite.Geometries.LinearRing) new GeometryFactory().CreateLinearRing(listofpts);
Polygon projPoly = new Polygon(linear, null, geoFactory);
polys.Add(projPoly);
polygonArea += projPoly.Area;
}
reader.Dispose();
List <Object> huc8Table = new List <Object>();
huc8Table.Add(new KeyValuePair <string, string>("HUC 8 ID: ", catchmentID));
foreach (Polygon p in polys)
{
List <Object> huc12Table = new List <Object>();
huc12Table.Add(new KeyValuePair <string, string>("HUC 12 ID: ", null));
catchmentID = null;//result[i].Attributes["OBJECTID"].ToString();
huc12Table.Add(new KeyValuePair <string, string>("Catchment ID: ", catchmentID));
foreach (GeoAPI.Geometries.IGeometry s in squares)
{
double interArea = 0.0;
squareArea = s.Area;
if (p.Intersects(s))
{
GeoAPI.Geometries.IGeometry intersection = p.Intersection(s);
interArea += intersection.Area;
double percent2 = (interArea / squareArea) * 100;
Dictionary <string, string> catchTable = new Dictionary <string, string>();
//catchTable.Add("catchmentID", catchmentID);
catchTable.Add("latitude", s.Centroid.X.ToString());
catchTable.Add("longitude", s.Centroid.Y.ToString());
catchTable.Add("cellArea", squareArea.ToString());
catchTable.Add("containedArea", interArea.ToString());
catchTable.Add("percentArea", percent2.ToString());
huc12Table.Add(catchTable);
}
}
huc8Table.Add(huc12Table);
}
infoTable.Add(huc8Table);
}
//System.IO.DirectoryInfo del = new DirectoryInfo(directory);
/*
* foreach (FileInfo file in del.GetFiles())
* {
* file.Delete();
* }
* foreach (DirectoryInfo dir in del.GetDirectories())
* {
* dir.Delete(true);
* }*/
//del.Delete(true);
/////
//infoTable.Add(new List<Object>() { elapsedTime, elapsedTime, elapsedTime, elapsedTime });
//////
return(infoTable);
}
/* BEGIN ADDED BY MPAUL42: monoGIS team */
/// <summary>
/// Constructs a <c>Polygon</c> with the given exterior boundary.
/// </summary>
/// <param name="shell">
/// The outer boundary of the new <c>Polygon</c>,
/// or <c>null</c> or an empty <c>LinearRing</c> if the empty
/// polygon is to be created.
/// </param>
/// <param name="factory"></param>
public Polygon(LinearRing shell, GeometryFactory factory) : this(shell, null, factory)
{
}
private IGeometry ReadPolygon(int dim, int lrsDim, SdoGeometry sdoGeom)
{
ILinearRing shell = null;
//ILinearRing[] holes = new LinearRing[sdoGeom.ElemArray.Length - 1];
ILinearRing[] holes = new LinearRing[0];
var info = sdoGeom.ElemArray;
var infoSize = info.Length / 3;
int i = 0;
int idxInteriorRings = 0;
while (i < infoSize)
{
ICoordinateSequence cs = null;
int numCompounds = 0;
//if (info.getElementType(i).isCompound())
//{
// numCompounds = info.getNumCompounds(i);
// cs = Add(cs, GetCompoundCSeq(i + 1, i + numCompounds, sdoGeom));
//}
//else
//{
cs = Add(cs, GetElementCSeq(i, sdoGeom, false));
//}
//if (info.getElementType(i).isInteriorRing())
//{
// holes[idxInteriorRings] = factory
// .CreateLinearRing(cs);
// holes[idxInteriorRings].SRID = (int)sdoGeom.Sdo_Srid;
// idxInteriorRings++;
//}
//else
//{
shell = factory.CreateLinearRing(cs);
shell.SRID = (int)sdoGeom.Sdo_Srid;
//}
i += 1 + numCompounds;
}
IPolygon polygon = factory.CreatePolygon(shell, holes);
polygon.SRID = (int)sdoGeom.Sdo_Srid;
return polygon;
}
public static IEnumerable <IPoint> FromLinearRing(NTSLinearRing linearRing) => linearRing.Coordinates.Select(point => new Point(point));
private ILinearRing CreateLinearRing(int dim, int lrs, Decimal[] elemInfo, int elemIndex, List<Coordinate> coords)
{
int
sOffset = StartingOffset(elemInfo, elemIndex);
SdoEType etype = EType(elemInfo, elemIndex);
int interpretation = Interpretation(elemInfo, elemIndex);
int length = coords.Count*dim;
if (!(sOffset <= length))
throw new ArgumentException("ELEM_INFO STARTING_OFFSET " + sOffset +
" inconsistent with ORDINATES length " + coords.Count);
if (etype != SdoEType.Polygon && etype != SdoEType.PolygonExterior &&
etype != SdoEType.PolygonInterior)
{
throw new ArgumentException("ETYPE " + etype +
" inconsistent with expected POLYGON, POLYGON_EXTERIOR or POLYGON_INTERIOR");
}
if (interpretation != 1 && interpretation != 3)
{
return null;
}
ILinearRing ring;
int len = (dim + lrs);
int start = (sOffset - 1)/len;
int eOffset = StartingOffset(elemInfo, elemIndex + 1); // -1 for end
int end = (eOffset != -1) ? ((eOffset - 1)/len) : coords.Count;
if (interpretation == 1)
{
ring = new LinearRing(ToPointArray(SubList(coords, start, end)));
}
else
{
// interpretation == 3
// rectangle does not maintain measures
List<Coordinate> pts = new List<Coordinate>(5);
List<Coordinate> ptssrc = SubList(coords, start, end);
Coordinate min = ptssrc[0];
Coordinate max = ptssrc[1];
pts.AddRange(new[]
{
min, new Coordinate(max.X, min.Y), max, new Coordinate(min.X, max.Y) , min
});
ring = _factory.CreateLinearRing(pts.ToArray());
}
return ring;
}
/// <summary>
/// Creates a Polygon using the next token in the stream.
/// </summary>
/// <param name="tokenizer">Tokenizer over a stream of text in Well-known Text
/// format. The next tokens must form a <Polygon Text>.</param>
/// <returns>Returns a Polygon specified by the next token
/// in the stream</returns>
/// <remarks>
/// ParseException is thown if the coordinates used to create the Polygon
/// shell and holes do not form closed linestrings, or if an unexpected
/// token is encountered.
/// </remarks>
private static Polygon ReadPolygonText(WktStreamTokenizer tokenizer)
{
string nextToken = GetNextEmptyOrOpener(tokenizer);
if (nextToken == "EMPTY")
return new Polygon(new LinearRing(new List<Coordinate>().ToArray()));
var points = GetCoordinates(tokenizer);
var arrexteriorring = new Coordinate[points.Count];
for (int i = 0; i < arrexteriorring.Length; i++)
arrexteriorring[i] = new Coordinate(points[i].X, points[i].Y);
var exteriorRing = new LinearRing(arrexteriorring);
nextToken = GetNextCloserOrComma(tokenizer);
var interiorRings = new List<ILinearRing>();
while (nextToken == ",")
{
var holes = GetCoordinates(tokenizer);
var arrholes = new Coordinate[holes.Count];
for (int i = 0; i < arrholes.Length; i++)
arrholes[i] = new Coordinate(holes[i].X, holes[i].Y);
//Add holes
interiorRings.Add(new LinearRing(arrholes));
nextToken = GetNextCloserOrComma(tokenizer);
}
Polygon pol = new Polygon(exteriorRing, interiorRings.ToArray());
return pol;
}
private IGeometry ReadPolygon(int dim, int lrsDim, SdoGeometry sdoGeom) {
LinearRing shell = null;
LinearRing[] holes = new LinearRing[sdoGeom.getNumElements() - 1];
decimal[] info = sdoGeom.ElemArray;
int i = 0;
int idxInteriorRings = 0;
while (i < info.Length) {
ICoordinateSequence cs = null;
int numCompounds = 0;
if (info.getElementType(i).isCompound()) {
numCompounds = info.getNumCompounds(i);
cs = Add(cs, GetCompoundCSeq(i + 1, i + numCompounds, sdoGeom));
} else {
cs = Add(cs, GetElementCSeq(i, sdoGeom, false));
}
if (info.getElementType(i).isInteriorRing()) {
holes[idxInteriorRings] = factory
.CreateLinearRing(cs);
holes[idxInteriorRings].SRID = (int)sdoGeom.Sdo_Srid;
idxInteriorRings++;
} else {
shell = factory.CreateLinearRing(cs);
shell.SRID = (int)sdoGeom.Sdo_Srid;
}
i += 1 + numCompounds;
}
IPolygon polygon = factory.CreatePolygon(shell, holes);
polygon.SRID = (int)sdoGeom.Sdo_Srid;
return polygon;
}
