public void Setup()
{
wkbreader = new WKBReader(factory);
geometry0 = wkbreader.Read(test00_Geom0_WkbByteArray);
Debug.WriteLine(geometry0.ToString());
geometry1 = wkbreader.Read(test00_Geom1_WkbByteArray);
Debug.WriteLine(geometry1.ToString());
}
public void OracleWKBBigIndianReadTest()
{
IGeometry result = null;
using(Stream stream = new FileStream(blobFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
WKBReader wkbreader = new WKBReader();
result = wkbreader.Read(stream);
}
Debug.WriteLine(result.ToString());
Assert.IsNotNull(result);
}
/// <summary>
///
/// </summary>
public override void Start()
{
try
{
Write(multiPoint.Area);
Write(multiPoint.Boundary);
Write(multiPoint.BoundaryDimension);
Write(multiPoint.Centroid);
Write(multiPoint.Coordinate);
Write(multiPoint.Coordinates);
Write(multiPoint.Dimension);
Write(multiPoint.Envelope);
Write(multiPoint.EnvelopeInternal);
Write(multiPoint.Geometries.Length);
Write(multiPoint.InteriorPoint);
Write(multiPoint.IsEmpty);
Write(multiPoint.IsSimple);
Write(multiPoint.IsValid);
Write(multiPoint.Length);
Write(multiPoint.NumGeometries);
Write(multiPoint.NumPoints);
Write(multiPoint.Buffer(10));
Write(multiPoint.Buffer(10, BufferStyle.CapButt));
Write(multiPoint.Buffer(10, BufferStyle.CapSquare));
Write(multiPoint.Buffer(10, 20));
Write(multiPoint.Buffer(10, 20, BufferStyle.CapButt));
Write(multiPoint.Buffer(10, 20, BufferStyle.CapSquare));
Write(multiPoint.ConvexHull());
byte[] bytes = multiPoint.AsBinary();
IGeometry test1 = new WKBReader().Read(bytes);
Write(test1.ToString());
bytes = new GDBWriter().Write(multiPoint);
test1 = new GDBReader().Read(bytes);
Write(test1.ToString());
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
///
/// </summary>
public override void Start()
{
IPoint pInterior = Factory.CreatePoint(new Coordinate(100, 100));
IPoint pExterior = Factory.CreatePoint(new Coordinate(100, 101));
try
{
Write(point.Area);
Write(point.Boundary);
Write(point.BoundaryDimension);
Write(point.Centroid);
Write(point.Coordinate);
Write(point.Coordinates);
Write(point.CoordinateSequence);
Write(point.Dimension);
Write(point.Envelope);
Write(point.EnvelopeInternal);
Write(point.Factory);
Write(point.InteriorPoint);
Write(point.IsEmpty);
Write(point.IsSimple);
Write(point.IsValid);
Write(point.Length);
Write(point.NumPoints);
Write(point.PrecisionModel);
Write(point.X);
Write(point.Y);
Write(point.Contains(pInterior));
Write(point.Contains(pExterior));
Write(point.Buffer(10));
Write(point.Buffer(10, BufferStyle.CapSquare));
Write(point.Buffer(10, BufferStyle.CapButt));
Write(point.Buffer(10, 20));
Write(point.Buffer(10, 20, BufferStyle.CapSquare));
Write(point.Buffer(10, 20, BufferStyle.CapButt));
Write(point.Crosses(pInterior));
Write(point.Crosses(pExterior));
Write(point.Difference(pInterior));
Write(point.Difference(pExterior));
Write(point.Disjoint(pInterior));
Write(point.Disjoint(pExterior));
Write(point.Equals(pInterior));
Write(point.Equals(pExterior));
Write(point.EqualsExact(pInterior));
Write(point.EqualsExact(pExterior));
Write(point.ConvexHull());
Write(point.Intersection(pInterior));
Write(point.Intersection(pExterior));
Write(point.Intersects(pInterior));
Write(point.Intersects(pExterior));
Write(point.IsWithinDistance(pInterior, 0.001));
Write(point.IsWithinDistance(pExterior, 0.001));
Write(point.Overlaps(pInterior));
Write(point.Overlaps(pExterior));
Write(point.SymmetricDifference(pInterior));
Write(point.SymmetricDifference(pExterior));
Write(point.ToString());
Write(point.AsText());
Write(point.Touches(pInterior));
Write(point.Touches(pExterior));
Write(point.Union(pInterior));
Write(point.Union(pExterior));
Write(point.Within(pInterior));
Write(point.Within(pExterior));
string pointstring = "POINT (100.22 100.33)";
string anotherpointstring = "POINT (12345 3654321)";
IGeometry geom1 = Reader.Read(pointstring);
Write(geom1.AsText());
IGeometry geom2 = Reader.Read(anotherpointstring);
Write(geom2.AsText());
byte[] bytes = point.AsBinary();
IGeometry test1 = new WKBReader().Read(bytes);
Write(test1.ToString());
bytes = Factory.CreatePoint(new Coordinate(Double.MinValue, Double.MinValue)).AsBinary();
IGeometry testempty = new WKBReader().Read(bytes);
Write(testempty);
bytes = new GDBWriter().Write(geom1);
test1 = new GDBReader().Read(bytes);
Write(test1.ToString());
// Test Empty Geometries
Write(Point.Empty);
Write(LineString.Empty);
Write(Polygon.Empty);
Write(MultiPoint.Empty);
Write(MultiLineString.Empty);
Write(MultiPolygon.Empty);
Write(GeometryCollection.Empty);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
///
/// </summary>
public override void Start()
{
IPoint pointInLine = Factory.CreatePoint(new Coordinate(20, 10));
IPoint pointOutLine = Factory.CreatePoint(new Coordinate(20, 31));
ILineString aLine = Factory.CreateLineString(new ICoordinate[] { new Coordinate(23, 32.2), new Coordinate(922, 11) });
ILineString anotherLine = Factory.CreateLineString(new ICoordinate[] { new Coordinate(0, 1), new Coordinate(30, 30) });
try
{
Write(line.Area);
Write(line.Boundary);
Write(line.BoundaryDimension);
Write(line.Centroid);
Write(line.Coordinate);
Write(line.Coordinates);
Write(line.CoordinateSequence);
Write(line.Dimension);
Write(line.EndPoint);
Write(line.Envelope);
Write(line.EnvelopeInternal);
Write(line.InteriorPoint);
Write(line.IsClosed);
Write(line.IsEmpty);
Write(line.IsRing);
Write(line.IsSimple);
Write(line.IsValid);
Write(line.Length);
Write(line.NumPoints);
Write(line.StartPoint);
if (line.UserData != null)
Write(line.UserData);
else Write("UserData null");
Write(line.Buffer(10));
Write(line.Buffer(10, BufferStyle.CapButt));
Write(line.Buffer(10, BufferStyle.CapSquare));
Write(line.Buffer(10, 20));
Write(line.Buffer(10, 20, BufferStyle.CapButt));
Write(line.Buffer(10, 20, BufferStyle.CapSquare));
Write(line.Contains(pointInLine));
Write(line.Contains(pointOutLine));
Write(line.Crosses(pointInLine));
Write(line.Crosses(pointOutLine));
Write(line.Difference(pointInLine));
Write(line.Difference(pointOutLine));
Write(line.Disjoint(pointInLine));
Write(line.Disjoint(pointOutLine));
Write(line.Distance(pointInLine));
Write(line.Distance(pointOutLine));
Write(line.Equals(line.Clone() as LineString));
Write(line.EqualsExact(line.Clone() as LineString));
Write(line.ConvexHull());
Write(line.Intersection(pointInLine));
Write(line.Intersection(pointOutLine));
Write(line.Intersection(aLine));
Write(line.Intersects(pointInLine));
Write(line.Intersects(pointOutLine));
Write(line.Intersects(aLine));
Write(line.IsWithinDistance(pointOutLine, 2));
Write(line.IsWithinDistance(pointOutLine, 222));
Write(line.Overlaps(pointInLine));
Write(line.Overlaps(pointOutLine));
Write(line.Overlaps(aLine));
Write(line.Overlaps(anotherLine));
Write(line.Relate(pointInLine));
Write(line.Relate(pointOutLine));
Write(line.Relate(aLine));
Write(line.Relate(anotherLine));
Write(line.SymmetricDifference(pointInLine));
Write(line.SymmetricDifference(pointOutLine));
Write(line.SymmetricDifference(aLine));
Write(line.SymmetricDifference(anotherLine));
Write(line.ToString());
Write(line.AsText());
Write(line.Touches(pointInLine));
Write(line.Touches(pointOutLine));
Write(line.Touches(aLine));
Write(line.Touches(anotherLine));
Write(line.Union(pointInLine));
Write(line.Union(pointOutLine));
Write(line.Union(aLine));
Write(line.Union(anotherLine));
Write(line.Within(pointInLine));
Write(line.Within(pointOutLine));
Write(line.Within(aLine));
Write(line.Within(anotherLine));
string linestring = "LINESTRING (1.2 3.4, 5.6 7.8, 9.1 10.12)";
string anotherlinestringg = "LINESTRING (12345 3654321, 685 7777.945677, 782 111.1)";
IGeometry geom1 = Reader.Read(linestring);
Write(geom1.AsText());
IGeometry geom2 = Reader.Read(anotherlinestringg);
Write(geom2.AsText());
byte[] bytes = line.AsBinary();
IGeometry test1 = new WKBReader().Read(bytes);
Write(test1.ToString());
bytes = new GDBWriter().Write(line);
test1 = new GDBReader().Read(bytes);
Write(test1.ToString());
}
catch (Exception ex)
{
throw ex;
}
}
protected Dictionary<string, DataRow> GetShapeRowsByLOGRECNO(DbConnection conn)
{
string geomSQL;
string geographiesTablename = this.GetGeographyTablename();
string shapeSQL = string.Empty;
switch (this.SummaryLevel)
{
//census_regions
//census_divisions
//states
//case "050":
// //counties
// // Note: original sql for files fount at:
// // "ShapeFileCountiesURL": "http://www.census.gov/geo/cob/bdy/co/co00shp/"
// // "ShapeFileCountiesFilename": "co{FIPS-code}_d00_shp.zip"
// // was:
// // "select trim(COUNTY) as county, AsBinary(Geometry) as Geometry, '' as GEOID from counties ";
// //
// //
// // Current source:
// // "ShapeFileCountiesURL": "http://www2.census.gov/geo/tiger/TIGER2010/COUNTY/2010/",
// // "ShapeFileCountiesFilename": "tl_2010_{FIPS-code}_county10.zip",
// // Docs for current source: http://www.census.gov/geo/maps-data/data/pdfs/tiger/tgrshp2010/TGRSHP10SF1AA.pdf
// //
// shapeSQL = "select trim(COUNTYFP10) as county, AsBinary(Geometry) as Geometry, '' as GEOID from counties ";
// geomSQL = "select LOGRECNO, trim(COUNTY) as county, GEOID from geographies_all where SUMLEVEL = '050' order by county ";
// break;
////subdivisions
//case "060":
// shapeSQL = "select trim(COUNTY) as county, trim(COUSUB) as cousub, AsBinary(Geometry) as Geometry, '' as GEOID from county_subdivisions ";
// geomSQL = "select LOGRECNO, trim(COUNTY) as county, trim(COUSUB) as cousub, GEOID from geographies_all where SUMLEVEL = '060' order by county, cousub";
// break;
case "140":
//tracts
shapeSQL = "select trim(COUNTY) as county, trim(TRACT) as tract, '' as blkgroup, AsBinary(Geometry) as Geometry, '' as GEOID from census_tracts order by county, tract, blkgroup";
geomSQL = "select LOGRECNO, trim(COUNTY) as county, trim(TRACT) as tract, trim(BLKGRP) as blkgroup, GEOID from geographies where SUMLEVEL = '140' order by county, tract, blkgrp ";
break;
case "150":
default:
if (this.SummaryLevel != "150")
{
_log.Error("No Summary Level Selected -- defaulting to Block groups \"150\" -- ");
this.SummaryLevel = "150";
}
/*
* NOTE! In the 2000 census shapefiles the block-group column name was "BLKGROUP",
* in 2010, it was "BLKGRP"... so, lets magically recover and adjust based on what we find.
*/
bool hasAbbrevColumn = DataClient.HasColumn("BLKGRP", "census_blockgroups", conn, DbClient);
string blkGroupColumn = (hasAbbrevColumn) ? "BLKGRP" : "BLKGROUP";
//block groups
shapeSQL = string.Format("select trim(COUNTY) as county, trim(TRACT) as tract, trim({0}) as blkgroup, AsBinary(Geometry) as Geometry, '' as GEOID from census_blockgroups order by county, tract, blkgroup",
blkGroupColumn);
geomSQL = "select LOGRECNO, trim(COUNTY) as county, trim(TRACT) as tract, trim(BLKGRP) as blkgroup, GEOID from geographies where SUMLEVEL = '150' order by county, tract, blkgrp ";
break;
}
var wholeGeomTable = DataClient.GetMagicTable(conn, DbClient, geomSQL);
var wholeShapeTable = DataClient.GetMagicTable(conn, DbClient, shapeSQL);
if (wholeShapeTable == null)
{
_log.Error("This shapefile had different columns than I was expecting, bailing");
return null;
}
//
// Construct the appropriate key for whatever summary level we're using
//
GetGeometryRowKey keyDelegate = GetGeometryRowKeyGenerator();
//
// organize our freshly pulled geometries table by composite_id
//
var geomKeys = new Dictionary<string, DataRow>();
foreach (DataRow row in wholeGeomTable.Rows)
{
string key = keyDelegate(row);
geomKeys[key] = row;
}
var dict = new Dictionary<string, DataRow>();
GisSharpBlog.NetTopologySuite.IO.WKBReader binReader = new WKBReader(ShapefileHelper.GetGeomFactory());
GisSharpBlog.NetTopologySuite.IO.WKBWriter binWriter = new WKBWriter();
foreach (DataRow row in wholeShapeTable.Rows)
{
string key = keyDelegate(row);
if (geomKeys.ContainsKey(key))
{
string logrecno = geomKeys[key]["LOGRECNO"] as string;
row["GEOID"] = geomKeys[key]["GEOID"];
if (dict.ContainsKey(logrecno))
{
/* In theory, there should be a one-to-one relationship between logrecno and Geometry.
* In practice, there are a small number of geometries that are discontiguous or self-
* intersecting. Because the geometry shapefile only uses single polygons and not
* multipolygons, they solve this problem by having duplicate rows in the geometry
* shapefile with the same county, tract, and blkgroup numbers, one for each part of
* the multipolygon. This is undocumented AFAIK, but can be seen in several places (see
* logrecno 0014948 for PA for example). To account for this, we union geometries
* together whenever we encounter duplicates and inform the user, so we don't end up
* with missing geometries in the output.
*
* As this link indicates, tracts 9400 - 9499 are especially prone to this phenomenon:
* http://www.census.gov/geo/www/cob/tr_metadata.html
*/
_log.DebugFormat("Duplicate records encountered for logical record number {0} (key {1}).", logrecno, key);
if (row["GEOID"] != dict[logrecno]["GEOID"])
{
_log.DebugFormat("GEOID {0} collided with GEOID {1}", row["GEOID"], dict[logrecno]["GEOID"]);
}
_log.DebugFormat("Attempting to merge geometries for duplicates together.");
try
{
byte[] geomBytes = (byte[])row["Geometry"];
IGeometry geomToAdd = binReader.Read(geomBytes);
geomBytes = (byte[])dict[logrecno]["Geometry"];
IGeometry currentGeom = binReader.Read(geomBytes);
if (!geomToAdd.Equals(currentGeom))
{
geomBytes = binWriter.Write(currentGeom.Union(geomToAdd));
row["Geometry"] = geomBytes; //saved to dict at end of current if clause
_log.Debug("Geometry merge succeeded! Please double check all features in the output that match the above logrecno for consistency.");
}
}
catch (Exception)
{
_log.Error("Geometry merge failed; only one geometry will be used! Output may be missing geometries!");
}
}
dict[logrecno] = row;
}
else
{
_log.DebugFormat("Couldn't find a geometry matching KEY (county/tract/blkgrp) {0}", key);
}
}
return dict;
}
/// <summary>
/// Given a table, returns a list of features to export. Assumes table geometries are in WGS84
/// </summary>
/// <param name="tableName">Name of the sqlite table</param>
/// <param name="spatialFilter">Should we load and use a spatial filter?</param>
/// <returns></returns>
public List<Feature> GetShapeFeaturesToExport(string tableName, bool spatialFilter)
{
using (var conn = DbClient.GetConnection())
{
Dictionary<string, DataRow> shapeDict = GetShapeRowsByLOGRECNO(conn);
var variablesDT = DataClient.GetMagicTable(conn, DbClient, string.Format("select * from \"{0}\" ", tableName));
if ((variablesDT == null) || (variablesDT.Rows.Count == 0))
{
_log.Warn("Nothing to export, data table is empty");
_log.Error("Nothing to export, data table is empty");
return null;
}
bool shouldReproject = (!string.IsNullOrEmpty(this.OutputProjectionFilename));
ICoordinateTransformation reprojector = null;
ICoordinateSystem destCRS = null;
if (!string.IsNullOrEmpty(this.OutputProjectionFilename))
{
destCRS = Utilities.GetCoordinateSystemByWKTFile(this.OutputProjectionFilename);
reprojector = Utilities.BuildTransformationObject(GeographicCoordinateSystem.WGS84, destCRS);
}
//TODO:
bool shouldAddMissingShapes = this.IncludeEmptyGridCells;
HashSet<string> allShapeIDs = new HashSet<string>(shapeDict.Keys);
//Build hashset, remove by shapeid as shapes are added,
//go through and add missing shapes if 'shouldAddMissingShapes' is set...
bool variablesHaveGeoID = variablesDT.Columns.Contains("GEOID");
List<IGeometry> filteringGeoms = null;
if (!string.IsNullOrEmpty(this.ExportFilterFilename))
{
filteringGeoms = (spatialFilter) ? GetFilteringGeometries(this.ExportFilterFilename, destCRS) : null;
//Die if we're supposed to have a filter but don't
if (spatialFilter && filteringGeoms == null)
{
return null;
}
}
GisSharpBlog.NetTopologySuite.IO.WKBReader binReader = new WKBReader(
ShapefileHelper.GetGeomFactory());
var features = new List<Feature>(variablesDT.Rows.Count);
foreach (DataRow row in variablesDT.Rows)
{
var id = row["LOGRECNO"] as string;
if (!shapeDict.ContainsKey(id))
continue;
allShapeIDs.Remove(id);
AttributesTable t = new AttributesTable();
foreach (DataColumn col in variablesDT.Columns)
{
//produces more sane results.
t.AddAttribute(
Utilities.EnsureMaxLength(col.ColumnName, 10),
Utilities.GetAsType(col.DataType, row[col.Ordinal], null)
);
}
byte[] geomBytes = (byte[])shapeDict[id]["Geometry"];
IGeometry geom = binReader.Read(geomBytes);
if (geom == null)
{
_log.WarnFormat("Geometry for LRN {0} was empty!", id);
continue;
}
if (shouldReproject)
{
geom = Utilities.ReprojectGeometry(geom, reprojector);
}
if (spatialFilter)
{
if (!IsIncluded(geom, filteringGeoms))
{
continue;
}
}
if (!variablesHaveGeoID)
{
t.AddAttribute("GEOID", shapeDict[id]["GEOID"]);
}
if (this.AddStrippedGEOIDcolumn)
{
t.AddAttribute("GEOID_STRP", (t["GEOID"] as string).Replace(Settings.GeoidPrefix, ""));
}
if (this.AddGeometryAttributesToOutput)
{
t.AddAttribute("AREA", geom.Area);
t.AddAttribute("PERIMETER", geom.Length);
var centroid = geom.Centroid;
t.AddAttribute("CENTROID_X", centroid.X);
t.AddAttribute("CENTROID_Y", centroid.Y);
}
features.Add(new Feature(geom, t));
}
if (shouldAddMissingShapes)
{
_log.DebugFormat("Adding {0} missing shapes", allShapeIDs.Count);
foreach (string id in allShapeIDs)
{
byte[] geomBytes = (byte[])shapeDict[id]["Geometry"];
IGeometry geom = binReader.Read(geomBytes);
if (geom == null)
{
_log.WarnFormat("Geometry for LRN {0} was empty!", id);
continue;
}
if (shouldReproject)
{
geom = Utilities.ReprojectGeometry(geom, reprojector);
}
if (spatialFilter)
{
if (!IsIncluded(geom, filteringGeoms))
{
continue;
}
}
AttributesTable t = new AttributesTable();
foreach (DataColumn col in variablesDT.Columns)
{
//produces more sane results.
t.AddAttribute(Utilities.EnsureMaxLength(col.ColumnName, 10), null);
}
if (!variablesHaveGeoID)
{
t.AddAttribute("GEOID", shapeDict[id]["GEOID"]);
}
if (this.AddStrippedGEOIDcolumn)
{
t.AddAttribute("GEOID_STRP", (t["GEOID"] as string).Replace(Settings.GeoidPrefix, ""));
}
if (this.AddGeometryAttributesToOutput)
{
t.AddAttribute("AREA", geom.Area);
t.AddAttribute("PERIMETER", geom.Length);
var centroid = geom.Centroid;
t.AddAttribute("CENTROID_X", centroid.X);
t.AddAttribute("CENTROID_Y", centroid.Y);
}
t["LOGRECNO"] = id;
features.Add(new Feature(geom, t));
}
}
return features;
}
}
public List<IGeometry> GetFilteringGeometries(string filename, ICoordinateSystem outputCrs)
{
if ((string.IsNullOrEmpty(filename)) || (!File.Exists(filename)))
{
_log.ErrorFormat("GetFilteringGeometries failed, shapefile is empty or does not exist {0} ", filename);
return null;
}
//inputCrs should be valid if LoadShapefile returns true
ICoordinateSystem inputCrs;
if (!ShapefileHelper.LoadShapefile(filename, Path.GetFileNameWithoutExtension(filename), DbClient, out inputCrs))
{
_log.Error("Could not load filtering geometries!");
return null;
}
string tableName = Path.GetFileNameWithoutExtension(filename);
string sqlcmd = string.Format("SELECT AsBinary(Geometry) AS Geometry FROM \"{0}\" ", tableName);
var wholeShapeTable = DataClient.GetMagicTable(DbClient.GetConnection(), DbClient, sqlcmd);
List<IGeometry> results = new List<IGeometry>(wholeShapeTable.Rows.Count);
ICoordinateTransformation reprojector = null;
if (outputCrs != null)
{
reprojector = Utilities.BuildTransformationObject(inputCrs, outputCrs);
}
GisSharpBlog.NetTopologySuite.IO.WKBReader binReader = new WKBReader(
new GeometryFactory());
foreach (DataRow row in wholeShapeTable.Rows)
{
byte[] geomBytes = (byte[])row["Geometry"];
IGeometry geom = binReader.Read(geomBytes);
if (geom == null || geom.Dimension != Dimensions.Surface)
{
continue;
}
if (reprojector != null)
{
geom = Utilities.ReprojectGeometry(geom, reprojector);
}
results.Add(geom);
}
//Cleanup so we don't store lots of crap in database
sqlcmd = string.Format("DROP TABLE \"{0}\" ", tableName);
var droptable = DbClient.GetCommand(sqlcmd);
droptable.ExecuteNonQuery();
if (results.Count == 0)
{
_log.Error("Could not use shapefile to create filter because no two dimensional geometries were found");
return null;
}
return results;
}
public override void Start()
{
IPoint interiorPoint = Factory.CreatePoint(new Coordinate(130, 150));
IPoint exteriorPoint = Factory.CreatePoint(new Coordinate(650, 1500));
ILineString aLine = Factory.CreateLineString(new ICoordinate[] { new Coordinate(23, 32.2), new Coordinate(10, 222) });
ILineString anotherLine = Factory.CreateLineString(new ICoordinate[] { new Coordinate(0, 1), new Coordinate(30, 30) });
ILineString intersectLine = Factory.CreateLineString(new ICoordinate[] { new Coordinate(0, 1), new Coordinate(300, 300) });
try
{
Write(polygon.Area);
Write(polygon.Boundary);
Write(polygon.BoundaryDimension);
Write(polygon.Centroid);
Write(polygon.Coordinate);
Write(polygon.Coordinates.Length);
Write(polygon.Dimension);
Write(polygon.Envelope);
Write(polygon.EnvelopeInternal);
Write(polygon.ExteriorRing);
Write(polygon.InteriorPoint);
Write(polygon.InteriorRings.Length);
Write(polygon.IsEmpty);
Write(polygon.IsSimple);
Write(polygon.IsValid);
Write(polygon.Length);
Write(polygon.NumInteriorRings);
Write(polygon.NumPoints);
if (polygon.UserData != null)
Write(polygon.UserData);
else Write("UserData null");
Write(polygon.Buffer(10));
Write(polygon.Buffer(10, BufferStyle.CapButt));
Write(polygon.Buffer(10, BufferStyle.CapSquare));
Write(polygon.Buffer(10, 20));
Write(polygon.Buffer(10, 20, BufferStyle.CapButt));
Write(polygon.Buffer(10, 20, BufferStyle.CapSquare));
Write(polygon.Contains(interiorPoint));
Write(polygon.Contains(exteriorPoint));
Write(polygon.Contains(aLine));
Write(polygon.Contains(anotherLine));
Write(polygon.Crosses(interiorPoint));
Write(polygon.Crosses(exteriorPoint));
Write(polygon.Crosses(aLine));
Write(polygon.Crosses(anotherLine));
Write(polygon.Difference(interiorPoint));
Write(polygon.Difference(exteriorPoint));
Write(polygon.Difference(aLine));
Write(polygon.Difference(anotherLine));
Write(polygon.Disjoint(interiorPoint));
Write(polygon.Disjoint(exteriorPoint));
Write(polygon.Disjoint(aLine));
Write(polygon.Disjoint(anotherLine));
Write(polygon.Distance(interiorPoint));
Write(polygon.Distance(exteriorPoint));
Write(polygon.Distance(aLine));
Write(polygon.Distance(anotherLine));
Write(polygon.Intersection(interiorPoint));
Write(polygon.Intersection(exteriorPoint));
Write(polygon.Intersection(aLine));
Write(polygon.Intersection(anotherLine));
Write(polygon.Intersects(interiorPoint));
Write(polygon.Intersects(exteriorPoint));
Write(polygon.Intersects(aLine));
Write(polygon.Intersects(anotherLine));
Write(polygon.IsWithinDistance(interiorPoint, 300));
Write(polygon.IsWithinDistance(exteriorPoint, 300));
Write(polygon.IsWithinDistance(aLine, 300));
Write(polygon.IsWithinDistance(anotherLine, 300));
Write(polygon.Overlaps(interiorPoint));
Write(polygon.Overlaps(exteriorPoint));
Write(polygon.Overlaps(aLine));
Write(polygon.Overlaps(anotherLine));
Write(polygon.Relate(interiorPoint));
Write(polygon.Relate(exteriorPoint));
Write(polygon.Relate(aLine));
Write(polygon.Relate(anotherLine));
Write(polygon.SymmetricDifference(interiorPoint));
Write(polygon.SymmetricDifference(exteriorPoint));
Write(polygon.SymmetricDifference(aLine));
Write(polygon.SymmetricDifference(anotherLine));
Write(polygon.ToString());
Write(polygon.AsText());
Write(polygon.Touches(interiorPoint));
Write(polygon.Touches(exteriorPoint));
Write(polygon.Touches(aLine));
Write(polygon.Touches(anotherLine));
Write(polygon.Union(interiorPoint));
Write(polygon.Union(exteriorPoint));
Write(polygon.Union(aLine));
Write(polygon.Union(anotherLine));
string aPoly = "POLYGON ((20 20, 100 20, 100 100, 20 100, 20 20))";
string anotherPoly = "POLYGON ((20 20, 100 20, 100 100, 20 100, 20 20), (50 50, 60 50, 60 60, 50 60, 50 50))";
IGeometry geom1 = Reader.Read(aPoly);
Write(geom1.AsText());
IGeometry geom2 = Reader.Read(anotherPoly);
Write(geom2.AsText());
// ExpandToInclude tests
Envelope envelope = new Envelope(0, 0, 0, 0);
envelope.ExpandToInclude(geom1.EnvelopeInternal);
envelope.ExpandToInclude(geom2.EnvelopeInternal);
Write(envelope.ToString());
// The polygon is not correctly ordered! Calling normalize we fix the problem...
polygon.Normalize();
byte[] bytes = polygon.AsBinary();
IGeometry test1 = new WKBReader().Read(bytes);
Write(test1.ToString());
bytes = new GDBWriter().Write(polygon);
test1 = new GDBReader().Read(bytes);
Write(test1.ToString());
}
catch (Exception ex)
{
throw ex;
}
}
public void TestMaximimPrecisionDigitsFormatting()
{
IGeometryFactory factory = GeometryFactory.Default;
WKBReader wkbreader = new WKBReader(factory);
IGeometry wkb1 = wkbreader.Read(test00_Geom0_WkbByteArray);
Assert.IsNotNull(wkb1);
Assert.IsTrue(wkb1.IsValid);
IGeometry wkb2 = wkbreader.Read(test00_Geom1_WkbByteArray);
Assert.IsNotNull(wkb2);
Assert.IsTrue(wkb2.IsValid);
Exception ex = TryOverlay(wkb1, wkb2);
Assert.IsNotNull(ex);
Assert.IsTrue(ex.GetType() == typeof(TopologyException));
string tos1 = writer.Write(wkb1);
Assert.IsNotNull(tos1);
string tos2 = writer.Write(wkb2);
Assert.IsNotNull(tos2);
WKTReader reader = new WKTReader(factory);
IGeometry wkt1 = reader.Read(tos1);
Assert.IsNotNull(wkt1);
Assert.IsTrue(wkt1.IsValid);
IGeometry wkt2 = reader.Read(tos2);
Assert.IsNotNull(wkt2);
Assert.IsTrue(wkt2.IsValid);
Assert.IsTrue(wkb1.EqualsExact(wkt1), "First geometry pair must be equal!");
Assert.IsTrue(wkb2.EqualsExact(wkt2), "Second geometry pair must be equal!");
ex = TryOverlay(wkt1, wkt2);
Assert.IsNotNull(ex, "Operation must fail!");
Assert.IsTrue(ex.GetType() == typeof(TopologyException));
}
public void BuildShapefilesFromGraphBinary()
{
int index = 0;
IGeometry edges;
WKBReader reader = new WKBReader(factory);
using (FileStream stream = new FileStream("graph", FileMode.Open, FileAccess.Read, FileShare.Read))
{
edges = reader.Read(stream);
index++;
}
Assert.AreEqual(1, index);
Assert.IsNotNull(edges);
Assert.IsInstanceOfType(typeof(MultiLineString), edges);
Assert.AreEqual(1179, edges.NumGeometries);
string field1 = "OBJECTID";
string field2 = "DESCRIPTION";
IList features = new List<Feature>(edges.NumGeometries);
for (int i = 0; i < edges.NumGeometries; i++)
{
IGeometry ls = edges.GetGeometryN(i);
Assert.IsInstanceOfType(typeof(LineString), ls);
Feature f = new Feature(ls, new AttributesTable());
f.Attributes.AddAttribute(field1, i);
f.Attributes.AddAttribute(field2, String.Format("length: {0}", Convert.ToInt64(ls.Length)));
features.Add(f);
}
Assert.IsNotEmpty(features);
Assert.AreEqual(edges.NumGeometries, features.Count);
DbaseFileHeader header = new DbaseFileHeader();
header.NumRecords = edges.NumGeometries;
header.NumFields = 1;
header.AddColumn(field1, 'N', 5, 0);
header.AddColumn(field2, 'C', 254, 0);
string path = "graph";
if (File.Exists(path + shp))
File.Delete(path + shp);
Assert.IsFalse(File.Exists(path + shp));
if (File.Exists(path + shx))
File.Delete(path + shx);
Assert.IsFalse(File.Exists(path + shx));
if (File.Exists(path + dbf))
File.Delete(path + dbf);
Assert.IsFalse(File.Exists(path + dbf));
ShapefileDataWriter writer = new ShapefileDataWriter(path, factory);
writer.Header = header;
writer.Write(features);
Assert.IsTrue(File.Exists(path + shp));
Assert.IsTrue(File.Exists(path + shx));
Assert.IsTrue(File.Exists(path + dbf));
IList subset = new List<Feature>(15);
for (int i = 0; i < 15; i++)
subset.Add(features[i]);
Assert.IsNotEmpty(subset);
Assert.AreEqual(15, subset.Count);
path = "minimalgraph";
if (File.Exists(path + shp))
File.Delete(path + shp);
Assert.IsFalse(File.Exists(path + shp));
if (File.Exists(path + shx))
File.Delete(path + shx);
Assert.IsFalse(File.Exists(path + shx));
if (File.Exists(path + dbf))
File.Delete(path + dbf);
Assert.IsFalse(File.Exists(path + dbf));
writer = new ShapefileDataWriter(path, factory);
writer.Header = header;
writer.Write(subset);
Assert.IsTrue(File.Exists(path + shp));
Assert.IsTrue(File.Exists(path + shx));
Assert.IsTrue(File.Exists(path + dbf));
}
private void dataAddedWorker_DoWork(object sender, DoWorkEventArgs args)
{
var worker = sender as BackgroundWorker;
//going to modify the list so can't use a foreach.
while (true)
{
if (layerDataToProcess.Count == 0)
{
break;
}
VectorLayerData vectorLayerData = layerDataToProcess[0];
if (worker != null && worker.CancellationPending)
{
args.Cancel = true;
break;
}
StyleSpecification style = Styles[cDefaultStyleID];
string styleID = (!string.IsNullOrEmpty(vectorLayerData.Style))
? vectorLayerData.Style
: LayerDefinition.LayerStyleName;
if (Styles.ContainsKey(styleID))
{
style = Styles[styleID];
}
var wkbReader = new WKBReader(new GeometryFactory(new PrecisionModel(), 4326));
try
{
IGeometry geo = wkbReader.Read(vectorLayerData.Geo);
VectorLayerData data = vectorLayerData;
Dispatcher.BeginInvoke(delegate
{
var infogeo = new InfoGeometry(geo, style, MapInstance, this)
{
Label = data.Label,
LabelVisibility =
(LayerDefinition.LabelOn)
? Visibility.Visible
: Visibility.Collapsed,
ItemID = data.ID,
EnableBalloon = EnableBalloon,
EnableSelection = EnableSelection,
TimeStamp = data.TimeStamp,
};
infogeo.Balloon += (o, e) =>
{
if (
((InfoGeometry)o).BalloonData.Count ==
0)
{
Commands.LoadBalloonDataCommand.Execute(e, o);
}
};
infogeo.Selected += (o, e) => Commands.ItemSelectedCommand.Execute(o);
if (LayerDefinition.PermissionToEdit)
{
infogeo.Selected += (o, e) => Commands.EditVectorCommand.Execute(o);
}
mapLayerGeometries.Add(infogeo);
});
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
}
layerDataToProcess.Remove(vectorLayerData);
}
}
