public void Multils()
{
Random rnd = new Random();
LineString[] ls = new LineString[40];
GeoAPI.Geometries.ILineString[] lscheck = new GeoAPI.Geometries.ILineString[40];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
for (int ii = 0; ii < 40; ii++)
{
Coordinate[] coord = new Coordinate[36];
GeoAPI.Geometries.ICoordinate[] coordcheck = new GeoAPI.Geometries.ICoordinate[36];
for (int i = 0; i < 36; i++)
{
coord[i] = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = coord[i].X;
double y = coord[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordcheck[i] = c;
}
ls[ii] = new LineString(coord);
lscheck[ii] = gf.CreateLineString(coordcheck);
}
MultiLineString mls = new MultiLineString(ls);
GeoAPI.Geometries.IMultiLineString mlscheck = gf.CreateMultiLineString(lscheck);
for (int ii = 0; ii < mls.Coordinates.Count; ii++)
{
Assert.AreEqual(mls.Coordinates[ii].X, mlscheck.Coordinates[ii].X);
Assert.AreEqual(mls.Coordinates[ii].Y, mlscheck.Coordinates[ii].Y);
}
Assert.AreEqual(mls.NumGeometries, mlscheck.NumGeometries);
}
public void PolygonArea()
{
Coordinate[] coords = new Coordinate[20];
Random rnd = new Random();
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[20];
for (int i = 0; i < 19; i++)
{
coords[i] = new Coordinate(center.X + Math.Cos((i * 10) * Math.PI / 10), center.Y + (i * 10) * Math.PI / 10);
double x = coords[i].X;
double y = coords[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[i] = c;
}
coordscheck[19] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coordscheck[0].X, coordscheck[0].Y);
coords[19] = new Coordinate(coords[0].X, coords[0].Y);
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILinearRing ring = gf.CreateLinearRing(coordscheck);
GeoAPI.Geometries.IPolygon polygonCheck = gf.CreatePolygon(ring, null);
Polygon pg = new Polygon(coords);
double areaCheck = polygonCheck.Area;
double area = pg.Area;
Assert.AreEqual(area, areaCheck);
}
public void PolygonEnvelopeMaxMin()
{
Coordinate[] coords = new Coordinate[20];
Random rnd = new Random();
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[20];
for (int i = 0; i < 19; i++)
{
coords[i] = new Coordinate(center.X + Math.Cos((i * 10) * Math.PI / 10), center.Y + (i * 10) * Math.PI / 10);
double x = coords[i].X;
double y = coords[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[i] = c;
}
coordscheck[19] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coords[0].X, coords[0].Y);
coords[19] = new Coordinate(coords[0].X, coords[0].Y);
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILinearRing ring = gf.CreateLinearRing(coordscheck);
GeoAPI.Geometries.IPolygon pgcheck = gf.CreatePolygon(ring, null);
Polygon pg = new Polygon(coords);
AssertExt.AreEqual15(pg.Envelope.Maximum.X, pgcheck.EnvelopeInternal.MaxX);
AssertExt.AreEqual15(pg.Envelope.Maximum.Y, pgcheck.EnvelopeInternal.MaxY);
AssertExt.AreEqual15(pg.Envelope.Minimum.X, pgcheck.EnvelopeInternal.MinX);
AssertExt.AreEqual15(pg.Envelope.Minimum.Y, pgcheck.EnvelopeInternal.MinY);
}
public void Multipg()
{
Random rnd = new Random();
Polygon[] pg = new Polygon[50];
GeoAPI.Geometries.IPolygon[] pgcheck = new GeoAPI.Geometries.IPolygon[50];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
for (int i = 0; i < 50; i++)
{
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Coordinate[] coord = new Coordinate[36];
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[36];
for (int ii = 0; ii < 36; ii++)
{
coord[ii] = new Coordinate(center.X + Math.Cos((ii * 10) * Math.PI / 10), center.Y + (ii * 10) * Math.PI / 10);
double x = coord[ii].X;
double y = coord[ii].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[ii] = c;
}
coord[35] = new Coordinate(coord[0].X, coord[0].Y);
coordscheck[35] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coordscheck[0].X, coordscheck[0].Y);
GeoAPI.Geometries.ILinearRing ring = gf.CreateLinearRing(coordscheck);
pgcheck[i] = gf.CreatePolygon(ring, null);
pg[i] = new Polygon(coord);
}
MultiPolygon mpg = new MultiPolygon(pg);
GeoAPI.Geometries.IMultiPolygon mpgcheck = gf.CreateMultiPolygon(pgcheck);
for (int ii = 0; ii < mpg.Coordinates.Count; ii++)
{
Assert.AreEqual(mpg.Coordinates[ii].X, mpgcheck.Coordinates[ii].X);
Assert.AreEqual(mpg.Coordinates[ii].Y, mpgcheck.Coordinates[ii].Y);
}
}
public void MlsLength()
{
Random rnd = new Random();
LineString[] ls = new LineString[40];
GeoAPI.Geometries.ILineString[] lscheck = new GeoAPI.Geometries.ILineString[40];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
for (int ii = 0; ii < 40; ii++)
{
Coordinate[] coord = new Coordinate[36];
GeoAPI.Geometries.ICoordinate[] coordcheck = new GeoAPI.Geometries.ICoordinate[36];
for (int i = 0; i < 36; i++)
{
coord[i] = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = coord[i].X;
double y = coord[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordcheck[i] = c;
}
ls[ii] = new LineString(coord);
lscheck[ii] = gf.CreateLineString(coordcheck);
}
MultiLineString mls = new MultiLineString(ls);
GeoAPI.Geometries.IMultiLineString mlscheck = gf.CreateMultiLineString(lscheck);
Assert.AreEqual(mls.Length, mlscheck.Length);
}
public void Overlaps()
{
Random rnd = new Random();
Polygon[] pg = new Polygon[50];
GeoAPI.Geometries.IPolygon[] pgcheck = new GeoAPI.Geometries.IPolygon[50];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
for (int i = 0; i < 50; i++)
{
Coordinate[] coord = new Coordinate[36];
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[36];
for (int ii = 0; ii < 36; ii++)
{
coord[ii] = new Coordinate(center.X + Math.Cos((ii * 10) * Math.PI / 10), center.Y + (ii * 10) * Math.PI / 10);
double x = coord[ii].X;
double y = coord[ii].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[ii] = c;
}
coord[35] = new Coordinate(coord[0].X, coord[0].Y);
coordscheck[35] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coordscheck[0].X, coordscheck[0].Y);
GeoAPI.Geometries.ILinearRing ring = gf.CreateLinearRing(coordscheck);
pgcheck[i] = gf.CreatePolygon(ring, null);
pg[i] = new Polygon(coord);
}
for (int t = 0; t < 49; t++)
{
bool g = pg[t].Overlaps(pg[t + 1]);
bool gcheck = pgcheck[t].Overlaps(pgcheck[t + 1]);
Assert.AreEqual(g, gcheck);
}
}
public void MpsBufferArea()
{
Coordinate[] c = new Coordinate[36];
Random rnd = new Random();
GeoAPI.Geometries.ICoordinate[] ccheck = new GeoAPI.Geometries.ICoordinate[36];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
for (int i = 0; i < 36; i++)
{
c[i] = new Coordinate((rnd.NextDouble() + 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = c[i].X;
double y = c[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate ctemp = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
ccheck[i] = ctemp;
}
GeoAPI.Geometries.IMultiPoint mpsCheck = gf.CreateMultiPoint(ccheck);
MultiPoint mps = new MultiPoint(c);
double area = mps.Buffer(500).Area;
double areacheck = mpsCheck.Buffer(500).Area;
if (Math.Abs(area - areacheck) > 0.000000001)
{
Assert.AreEqual(mps.Buffer(500).Area, mpsCheck.Buffer(500).Area);
}
}
public void PolygonHoles()
{
Coordinate[] coords = new Coordinate[20];
Random rnd = new Random();
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
// Shell Coordinates
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[20];
for (int i = 0; i < 19; i++)
{
double x = center.X + Math.Cos((i * 10) * Math.PI / 10);
double y = center.Y + (i * 10) * Math.PI / 10;
coords[i] = new Coordinate(x, y);
coordscheck[i] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
}
coordscheck[19] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coords[0].X, coords[0].Y);
coords[19] = new Coordinate(coords[0].X, coords[0].Y);
// Shell Rings
LinearRing ring = new LinearRing(coords);
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILinearRing ringCheck = gf.CreateLinearRing(coordscheck);
// Hole Coordinates
GeoAPI.Geometries.ICoordinate[] coordsholecheck = new GeoAPI.Geometries.ICoordinate[20];
Coordinate[] coordshole = new Coordinate[20];
for (int i = 0; i < 20; i++)
{
double x = center.X + Math.Cos((i * 10) * Math.PI / 20);
double y = center.Y + (i * 10) * Math.PI / 20;
coordshole[i] = new Coordinate(x, y);
coordsholecheck[i] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
}
coordshole[19] = new Coordinate(coordshole[0].X, coordshole[0].Y);
coordsholecheck[19] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coordshole[0].X, coordshole[0].Y);
// Hole LinearRing Arrays
LinearRing hole = new LinearRing(coordshole);
ILinearRing[] holes = new ILinearRing[1];
GeoAPI.Geometries.ILinearRing holeCheck = gf.CreateLinearRing(coordsholecheck);
GeoAPI.Geometries.ILinearRing[] holescheck = new GeoAPI.Geometries.ILinearRing[1];
holes[0] = hole;
holescheck[0] = holeCheck;
Polygon pg = new Polygon(ring, holes);
GeoAPI.Geometries.IPolygon polygonCheck = gf.CreatePolygon(ringCheck, holescheck);
double areaCheck = polygonCheck.Area;
double area = pg.Area;
Assert.AreEqual(area, areaCheck);
}
public GeoAPI.Geometries.ICoordinate CrossProduct(GeoAPI.Geometries.ICoordinate u, GeoAPI.Geometries.ICoordinate v)
{
double a = u.Y * v.Z - u.Z * v.Y;
double b = u.Z * v.X - u.X * v.Z;
double c = u.X * v.Y - u.Y * v.X;
GeoAPI.Geometries.ICoordinate coord = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(a, b, c);
return(coord);
}
internal static GisSharpBlog.NetTopologySuite.Geometries.LinearRing ToNTSLinearRing(SharpMap.Geometries.LinearRing linearRing,
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory factory)
{
GisSharpBlog.NetTopologySuite.Geometries.Coordinate[] coordinates = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate[linearRing.NumPoints];
int index = 0;
foreach (SharpMap.Geometries.Point point in linearRing.Vertices)
{
coordinates[index++] = ToNTSCoordinate(point, factory);
}
return(factory.CreateLinearRing(coordinates) as GisSharpBlog.NetTopologySuite.Geometries.LinearRing);
}
public override void OnMouseMove(ICoordinate worldPosition, MouseEventArgs e)
{
//base.OnMouseMove(e);
if (Map != null)
{
bool isStartDrag = Map != null && e.Location != _dragStartPoint && !_dragging &&
(e.Button == MouseButtons.Left || e.Button == MouseButtons.Middle) &&
//Left of middle button can start drag
!(MapControl.DrawPolygonTool.IsActive); //It should not be any of these tools
if (isStartDrag)
{
_dragging = true;
}
if (_dragging)
{
//bool isPanOperation = true;
//if (IsDrawPolygon)
//{
// isPanOperation = true;
//}
//if (isPanOperation)
//{
_dragEndPoint = ClipPoint(e.Location);
if (_dragStartCoord != null)
{
GisSharpBlog.NetTopologySuite.Geometries.Coordinate newCoord = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate();
newCoord.X = _dragStartCoord.X - Map.PixelSize * (_dragEndPoint.X - _dragStartPoint.X);
newCoord.Y = _dragStartCoord.Y - Map.PixelSize * (_dragStartPoint.Y - _dragEndPoint.Y);
Map.Center = newCoord;
//if (MapCenterChanged != null)
// MapCenterChanged(map.Center);
MapControl.Invalidate(MapControl.ClientRectangle);
}
//}
}
else
{
_dragEndPoint = new Point(0, 0);
if (pointArray != null)
{
pointArray[pointArray.Count - 1] = Map.ImageToWorld(ClipPoint(e.Location));
_rectangle = GenerateRectangle(_dragStartPoint, ClipPoint(e.Location));
MapControl.Invalidate(new Region(MapControl.ClientRectangle));
}
}
}
}
public void EnvelopeCoordinate()
{
Random rnd = new Random();
Coordinate c = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Envelope ev = new Envelope(c);
double x = c.X;
double y = c.Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate ccheck = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
GisSharpBlog.NetTopologySuite.Geometries.Envelope evcheck = new GisSharpBlog.NetTopologySuite.Geometries.Envelope(ccheck);
AssertExt.AreEqual15(ev.Maximum.Y, evcheck.MaxY);
AssertExt.AreEqual15(ev.Maximum.X, evcheck.MaxX);
AssertExt.AreEqual15(ev.Minimum.Y, evcheck.MinY);
AssertExt.AreEqual15(ev.Minimum.X, evcheck.MinX);
}
public void EnvelopeCoordinate()
{
Random rnd = new Random();
Coordinate c = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Envelope ev = new Envelope(c);
double x = c.X;
double y = c.Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate ccheck = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
GisSharpBlog.NetTopologySuite.Geometries.Envelope evcheck = new GisSharpBlog.NetTopologySuite.Geometries.Envelope(ccheck);
AssertExt.AreEqual15(ev.Maximum.Y, evcheck.MaxY);
AssertExt.AreEqual15(ev.Maximum.X, evcheck.MaxX);
AssertExt.AreEqual15(ev.Minimum.Y, evcheck.MinY);
AssertExt.AreEqual15(ev.Minimum.X, evcheck.MinX);
}
public void Buffer()
{
Random rnd = new Random();
Coordinate coords = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = coords.X;
double y = coords.Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
//coordscheck[i] = c;
Point p = new Point(coords);
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.IPoint ps = gf.CreatePoint(c);
double area = p.Buffer(500).Area;
double areacheck = ps.Buffer(500).Area;
Assert.AreEqual(area, areacheck);
}
public void Center()
{
Random rnd = new Random();
Coordinate c1 = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Coordinate c2 = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Envelope ev = new Envelope(c1, c2);
double x1 = c1.X;
double y1 = c1.Y;
double x2 = c2.X;
double y2 = c2.Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c1Check = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x1, y1);
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c2Check = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x2, y2);
GisSharpBlog.NetTopologySuite.Geometries.Envelope evcheck = new GisSharpBlog.NetTopologySuite.Geometries.Envelope(c1Check, c2Check);
Coordinate center = new Coordinate(ev.Center());
GisSharpBlog.NetTopologySuite.Geometries.Coordinate centercheck = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(evcheck.Centre);
AssertExt.AreEqual15(center.X, centercheck.X);
AssertExt.AreEqual15(center.Y, centercheck.Y);
}
public void Buffer()
{
Random rnd = new Random();
Coordinate coords = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = coords.X;
double y = coords.Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
//coordscheck[i] = c;
Point p = new Point(coords);
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.IPoint ps = gf.CreatePoint(c);
double area = p.Buffer(500).Area;
double areacheck = ps.Buffer(500).Area;
Assert.AreEqual(area, areacheck);
}
public void TwoCoordinates()
{
Random rnd = new Random();
Coordinate c1 = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Coordinate c2 = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Envelope ev = new Envelope(c1, c2);
double x1 = c1.X;
double y1 = c1.Y;
double x2 = c2.X;
double y2 = c2.Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c1Check = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x1, y1);
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c2Check = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x2, y2);
GisSharpBlog.NetTopologySuite.Geometries.Envelope evcheck = new GisSharpBlog.NetTopologySuite.Geometries.Envelope(c1Check, c2Check);
AssertExt.AreEqual15(ev.Maximum.Y, evcheck.MaxY);
AssertExt.AreEqual15(ev.Maximum.X, evcheck.MaxX);
AssertExt.AreEqual15(ev.Minimum.Y, evcheck.MinY);
AssertExt.AreEqual15(ev.Minimum.X, evcheck.MinX);
}
public void TwoCoordinates()
{
Random rnd = new Random();
Coordinate c1 = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Coordinate c2 = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Envelope ev = new Envelope(c1, c2);
double x1 = c1.X;
double y1 = c1.Y;
double x2 = c2.X;
double y2 = c2.Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c1Check = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x1, y1);
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c2Check = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x2, y2);
GisSharpBlog.NetTopologySuite.Geometries.Envelope evcheck = new GisSharpBlog.NetTopologySuite.Geometries.Envelope(c1Check, c2Check);
AssertExt.AreEqual15(ev.Maximum.Y, evcheck.MaxY);
AssertExt.AreEqual15(ev.Maximum.X, evcheck.MaxX);
AssertExt.AreEqual15(ev.Minimum.Y, evcheck.MinY);
AssertExt.AreEqual15(ev.Minimum.X, evcheck.MinX);
}
public void LineStringEnvelopeHeightWidth()
{
Coordinate[] coords = new Coordinate[36];
Random rnd = new Random();
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[36];
for (int i = 0; i < 36; i++)
{
coords[i] = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = coords[i].X;
double y = coords[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[i] = c;
}
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILineString lscheck = gf.CreateLineString(coordscheck);
LineString ls = new LineString(coords);
AssertExt.AreEqual15(ls.Envelope.Width, lscheck.EnvelopeInternal.Width);
AssertExt.AreEqual15(ls.Envelope.Height, lscheck.EnvelopeInternal.Height);
}
public void LineLength()
{
Coordinate[] coords = new Coordinate[36];
Random rnd = new Random();
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[36];
for (int i = 0; i < 36; i++)
{
coords[i] = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = coords[i].X;
double y = coords[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[i] = c;
}
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILineString lscheck = gf.CreateLineString(coordscheck);
LineString ls = new LineString(coords);
double length = ls.Length;
double lengthcheck = lscheck.Length;
Assert.AreEqual(length, lengthcheck);
}
public void LineStringCoordiantesCount()
{
Coordinate[] coords = new Coordinate[36];
Random rnd = new Random();
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[36];
for (int i = 0; i < 36; i++)
{
coords[i] = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = coords[i].X;
double y = coords[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[i] = c;
}
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILineString lscheck = gf.CreateLineString(coordscheck);
LineString ls = new LineString(coords);
Assert.AreEqual(ls.Coordinates.Count, lscheck.Coordinates.Count());
}
public void Intersection()
{
Random rnd = new Random();
Polygon[] pg = new Polygon[50];
GeoAPI.Geometries.IPolygon[] pgcheck = new GeoAPI.Geometries.IPolygon[50];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
for (int i = 0; i < 50; i++)
{
Coordinate[] coord = new Coordinate[36];
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[36];
for (int ii = 0; ii < 36; ii++)
{
coord[ii] = new Coordinate(center.X + Math.Cos((ii * 10) * Math.PI / 10), center.Y + (ii * 10) * Math.PI / 10);
double x = coord[ii].X;
double y = coord[ii].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[ii] = c;
}
coord[35] = new Coordinate(coord[0].X, coord[0].Y);
coordscheck[35] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coordscheck[0].X, coordscheck[0].Y);
GeoAPI.Geometries.ILinearRing ring = gf.CreateLinearRing(coordscheck);
pgcheck[i] = gf.CreatePolygon(ring, null);
pg[i] = new Polygon(coord);
}
for (int t = 0; t < 49; t++)
{
IGeometry g = pg[t].Intersection(pg[t + 1]);
GeoAPI.Geometries.IGeometry gcheck = pgcheck[t].Intersection(pgcheck[t + 1]);
for (int j = 0; j < g.Coordinates.Count; j++)
{
Assert.AreEqual(g.Coordinates[j].X, gcheck.Coordinates[j].X);
Assert.AreEqual(g.Coordinates[j].Y, gcheck.Coordinates[j].Y);
}
}
}
public void MultiPs()
{
Coordinate[] c = new Coordinate[36];
Random rnd = new Random();
GeoAPI.Geometries.ICoordinate[] ccheck = new GeoAPI.Geometries.ICoordinate[36];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
for (int i = 0; i < 36; i++)
{
c[i] = new Coordinate((rnd.NextDouble() + 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = c[i].X;
double y = c[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate ctemp = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
ccheck[i] = ctemp;
}
GeoAPI.Geometries.IMultiPoint mpsCheck = gf.CreateMultiPoint(ccheck);
MultiPoint mps = new MultiPoint(c);
for (int ii = 0; ii < mps.Coordinates.Count; ii++)
{
Assert.AreEqual(mps.Coordinates[ii].X, mpsCheck.Coordinates[ii].X);
Assert.AreEqual(mps.Coordinates[ii].Y, mpsCheck.Coordinates[ii].Y);
}
}
public void PolygonArea()
{
Coordinate[] coords = new Coordinate[20];
Random rnd = new Random();
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[20];
for (int i = 0; i < 19; i++)
{
coords[i] = new Coordinate(center.X + Math.Cos((i * 10) * Math.PI / 10), center.Y + (i * 10) * Math.PI / 10);
double x = coords[i].X;
double y = coords[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[i] = c;
}
coordscheck[19] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coordscheck[0].X, coordscheck[0].Y);
coords[19] = new Coordinate(coords[0].X, coords[0].Y);
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILinearRing ring = gf.CreateLinearRing(coordscheck);
GeoAPI.Geometries.IPolygon polygonCheck = gf.CreatePolygon(ring, null);
Polygon pg = new Polygon(coords);
double areaCheck = polygonCheck.Area;
double area = pg.Area;
Assert.AreEqual(area, areaCheck);
}
public void MultiPs()
{
Coordinate[] c = new Coordinate[36];
Random rnd = new Random();
GeoAPI.Geometries.ICoordinate[] ccheck = new GeoAPI.Geometries.ICoordinate[36];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
for (int i = 0; i < 36; i++)
{
c[i] = new Coordinate((rnd.NextDouble() + 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = c[i].X;
double y = c[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate ctemp = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
ccheck[i] = ctemp;
}
GeoAPI.Geometries.IMultiPoint mpsCheck = gf.CreateMultiPoint(ccheck);
MultiPoint mps = new MultiPoint(c);
for (int ii = 0; ii < mps.Coordinates.Count; ii++)
{
Assert.AreEqual(mps.Coordinates[ii].X, mpsCheck.Coordinates[ii].X);
Assert.AreEqual(mps.Coordinates[ii].Y, mpsCheck.Coordinates[ii].Y);
}
}
internal static SharpMap.Geometries.Point ToSharpMapPoint(GisSharpBlog.NetTopologySuite.Geometries.Coordinate coordinate)
{
return(new SharpMap.Geometries.Point(coordinate.X, coordinate.Y));
}
public void MpsBufferArea()
{
Coordinate[] c = new Coordinate[36];
Random rnd = new Random();
GeoAPI.Geometries.ICoordinate[] ccheck = new GeoAPI.Geometries.ICoordinate[36];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
for (int i = 0; i < 36; i++)
{
c[i] = new Coordinate((rnd.NextDouble() + 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = c[i].X;
double y = c[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate ctemp = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
ccheck[i] = ctemp;
}
GeoAPI.Geometries.IMultiPoint mpsCheck = gf.CreateMultiPoint(ccheck);
MultiPoint mps = new MultiPoint(c);
double area = mps.Buffer(500).Area;
double areacheck = mpsCheck.Buffer(500).Area;
if (Math.Abs(area - areacheck) > 0.000000001)
{
Assert.AreEqual(mps.Buffer(500).Area, mpsCheck.Buffer(500).Area);
}
}
public void EnvelopeHeight()
{
Random rnd = new Random();
Polygon[] pg = new Polygon[50];
GeoAPI.Geometries.IPolygon[] pgcheck = new GeoAPI.Geometries.IPolygon[50];
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
for (int i = 0; i < 50; i++)
{
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Coordinate[] coord = new Coordinate[36];
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[36];
for (int ii = 0; ii < 36; ii++)
{
coord[ii] = new Coordinate(center.X + Math.Cos((ii * 10) * Math.PI / 10), center.Y + (ii * 10) * Math.PI / 10);
double x = coord[ii].X;
double y = coord[ii].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[ii] = c;
}
coord[35] = new Coordinate(coord[0].X, coord[0].Y);
coordscheck[35] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coordscheck[0].X, coordscheck[0].Y);
GeoAPI.Geometries.ILinearRing ring = gf.CreateLinearRing(coordscheck);
pgcheck[i] = gf.CreatePolygon(ring, null);
pg[i] = new Polygon(coord);
}
MultiPolygon mpg = new MultiPolygon(pg);
GeoAPI.Geometries.IMultiPolygon mpgcheck = gf.CreateMultiPolygon(pgcheck);
Assert.AreEqual(mpg.Envelope.Height, mpgcheck.EnvelopeInternal.Height);
}
public void PolygonHoles()
{
Coordinate[] coords = new Coordinate[20];
Random rnd = new Random();
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
// Shell Coordinates
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[20];
for (int i = 0; i < 19; i++)
{
double x = center.X + Math.Cos((i * 10) * Math.PI / 10);
double y = center.Y + (i * 10) * Math.PI / 10;
coords[i] = new Coordinate(x, y);
coordscheck[i] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
}
coordscheck[19] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coords[0].X, coords[0].Y);
coords[19] = new Coordinate(coords[0].X, coords[0].Y);
// Shell Rings
LinearRing ring = new LinearRing(coords);
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILinearRing ringCheck = gf.CreateLinearRing(coordscheck);
// Hole Coordinates
GeoAPI.Geometries.ICoordinate[] coordsholecheck = new GeoAPI.Geometries.ICoordinate[20];
Coordinate[] coordshole = new Coordinate[20];
for (int i = 0; i < 20; i++)
{
double x = center.X + Math.Cos((i * 10) * Math.PI / 20);
double y = center.Y + (i * 10) * Math.PI / 20;
coordshole[i] = new Coordinate(x, y);
coordsholecheck[i] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
}
coordshole[19] = new Coordinate(coordshole[0].X, coordshole[0].Y);
coordsholecheck[19] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coordshole[0].X, coordshole[0].Y);
// Hole LinearRing Arrays
LinearRing hole = new LinearRing(coordshole);
ILinearRing[] holes = new ILinearRing[1];
GeoAPI.Geometries.ILinearRing holeCheck = gf.CreateLinearRing(coordsholecheck);
GeoAPI.Geometries.ILinearRing[] holescheck = new GeoAPI.Geometries.ILinearRing[1];
holes[0] = hole;
holescheck[0] = holeCheck;
Polygon pg = new Polygon(ring, holes);
GeoAPI.Geometries.IPolygon polygonCheck = gf.CreatePolygon(ringCheck, holescheck);
double areaCheck = polygonCheck.Area;
double area = pg.Area;
Assert.AreEqual(area, areaCheck);
}
internal static GisSharpBlog.NetTopologySuite.Geometries.LinearRing ToNTSLinearRing(SharpMap.Geometries.LinearRing linearRing,
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory factory)
{
GisSharpBlog.NetTopologySuite.Geometries.Coordinate[] coordinates = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate[linearRing.NumPoints];
int index = 0;
foreach (SharpMap.Geometries.Point point in linearRing.Vertices)
coordinates[index++] = ToNTSCoordinate(point, factory);
return factory.CreateLinearRing(coordinates);
}
public static Region DrawLineString(System.Drawing.Graphics g, SharpMap.Geometries.LineString line, System.Drawing.Pen pen, SharpMap.Map map)
{
if (line.Vertices.Count > 1)
{
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
PointF[] points = line.TransformToImage(map);
gp.AddLines(points);
g.DrawPath(pen, gp);
GisSharpBlog.NetTopologySuite.Geometries.Coordinate[] coords = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate[points.Length];
for (int i = 0; i < points.Length; i++)
coords[i] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(points[i].X, points[i].Y);
GisSharpBlog.NetTopologySuite.Geometries.LineString ls = new
GisSharpBlog.NetTopologySuite.Geometries.LineString(coords);
GisSharpBlog.NetTopologySuite.Geometries.Coordinate[] linearRingPoints = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate[5];
linearRingPoints[0] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(0, 0);
linearRingPoints[1] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(map.Size.Width, 0);
linearRingPoints[2] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(map.Size.Width, map.Size.Height);
linearRingPoints[3] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(0, map.Size.Height);
linearRingPoints[4] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(0, 0);
GisSharpBlog.NetTopologySuite.Geometries.LinearRing ring = new GisSharpBlog.NetTopologySuite.Geometries.LinearRing(linearRingPoints);
GeoAPI.Geometries.IGeometry geom = ls.Intersection(new GisSharpBlog.NetTopologySuite.Geometries.Polygon(ring));
System.Drawing.Drawing2D.GraphicsPath gp2 = new System.Drawing.Drawing2D.GraphicsPath();
Pen p2 = new Pen(Color.Black, pen.Width < 4 ? 4 : pen.Width);
if (geom is GisSharpBlog.NetTopologySuite.Geometries.LineString)
{
GisSharpBlog.NetTopologySuite.Geometries.LineString lineString = geom as GisSharpBlog.NetTopologySuite.Geometries.LineString;
System.Drawing.PointF[] v = new System.Drawing.PointF[lineString.Coordinates.Length];
for (int i = 0; i < lineString.Coordinates.Length; i++)
v[i] = new PointF((float)lineString.Coordinates[i].X, (float)lineString.Coordinates[i].Y);
gp2.AddLines(v);
}
if (geom is GisSharpBlog.NetTopologySuite.Geometries.GeometryCollection)
{
GisSharpBlog.NetTopologySuite.Geometries.GeometryCollection geomCollection = geom as GisSharpBlog.NetTopologySuite.Geometries.GeometryCollection;
foreach (GisSharpBlog.NetTopologySuite.Geometries.Geometry cGeom in geomCollection)
{
if (cGeom is GisSharpBlog.NetTopologySuite.Geometries.LineString)
{
GisSharpBlog.NetTopologySuite.Geometries.LineString lineString = cGeom as GisSharpBlog.NetTopologySuite.Geometries.LineString;
System.Drawing.PointF[] v = new System.Drawing.PointF[lineString.Coordinates.Length];
for (int i = 0; i < lineString.Coordinates.Length; i++)
v[i] = new PointF((float)lineString.Coordinates[i].X, (float)lineString.Coordinates[i].Y);
gp2.AddLines(v);
}
}
}
try
{
gp2.Widen(p2);
System.Drawing.Region r = new System.Drawing.Region(gp2);
return r;
}
catch (OutOfMemoryException)
{
return null;
}
}
return null;
}
public void LineStringEnvelopeHeightWidth()
{
Coordinate[] coords = new Coordinate[36];
Random rnd = new Random();
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[36];
for (int i = 0; i < 36; i++)
{
coords[i] = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
double x = coords[i].X;
double y = coords[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[i] = c;
}
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILineString lscheck = gf.CreateLineString(coordscheck);
LineString ls = new LineString(coords);
AssertExt.AreEqual15(ls.Envelope.Width, lscheck.EnvelopeInternal.Width);
AssertExt.AreEqual15(ls.Envelope.Height, lscheck.EnvelopeInternal.Height);
}
public void PolygonEnvelopeMaxMin()
{
Coordinate[] coords = new Coordinate[20];
Random rnd = new Random();
Coordinate center = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
GeoAPI.Geometries.ICoordinate[] coordscheck = new GeoAPI.Geometries.ICoordinate[20];
for (int i = 0; i < 19; i++)
{
coords[i] = new Coordinate(center.X + Math.Cos((i * 10) * Math.PI / 10), center.Y + (i * 10) * Math.PI / 10);
double x = coords[i].X;
double y = coords[i].Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x, y);
coordscheck[i] = c;
}
coordscheck[19] = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(coords[0].X, coords[0].Y);
coords[19] = new Coordinate(coords[0].X, coords[0].Y);
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory gf = new GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILinearRing ring = gf.CreateLinearRing(coordscheck);
GeoAPI.Geometries.IPolygon pgcheck = gf.CreatePolygon(ring, null);
Polygon pg = new Polygon(coords);
AssertExt.AreEqual15(pg.Envelope.Maximum.X, pgcheck.EnvelopeInternal.MaxX);
AssertExt.AreEqual15(pg.Envelope.Maximum.Y, pgcheck.EnvelopeInternal.MaxY);
AssertExt.AreEqual15(pg.Envelope.Minimum.X, pgcheck.EnvelopeInternal.MinX);
AssertExt.AreEqual15(pg.Envelope.Minimum.Y, pgcheck.EnvelopeInternal.MinY);
}
public void Center()
{
Random rnd = new Random();
Coordinate c1 = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Coordinate c2 = new Coordinate((rnd.NextDouble() * 360) - 180, (rnd.NextDouble() * 180) - 90);
Envelope ev = new Envelope(c1, c2);
double x1 = c1.X;
double y1 = c1.Y;
double x2 = c2.X;
double y2 = c2.Y;
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c1Check = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x1, y1);
GisSharpBlog.NetTopologySuite.Geometries.Coordinate c2Check = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(x2, y2);
GisSharpBlog.NetTopologySuite.Geometries.Envelope evcheck = new GisSharpBlog.NetTopologySuite.Geometries.Envelope(c1Check, c2Check);
Coordinate center = new Coordinate(ev.Center());
GisSharpBlog.NetTopologySuite.Geometries.Coordinate centercheck = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(evcheck.Centre);
AssertExt.AreEqual15(center.X, centercheck.X);
AssertExt.AreEqual15(center.Y, centercheck.Y);
}