public void CanWritePolygonWithInnerRing()
{
var ring1 = new List <Pnt3D>
{
new Pnt3D(0, 0, 9),
new Pnt3D(0, 100, 8),
new Pnt3D(100, 100, 5),
new Pnt3D(100, 20, 9)
};
RingGroup polygon = CreatePoly(ring1);
polygon.AddInteriorRing(new Linestring(new[]
{
new Pnt3D(25, 50, 0),
new Pnt3D(50, 50, 0),
new Pnt3D(50, 75, 0),
new Pnt3D(25, 75, 0),
new Pnt3D(25, 50, 0)
}
));
WkbGeomWriter writer = new WkbGeomWriter();
byte[] bytes = writer.WritePolygon(polygon);
WkbGeomReader reader = new WkbGeomReader();
RingGroup deserialized = reader.ReadPolygon(new MemoryStream(bytes));
Assert.IsTrue(deserialized.Equals(polygon));
}
public void CanReadWriteSingleRingPolygonXyz()
{
IPolygon poly = GeometryFactory.CreatePolygon(2600000, 1200000, 2601000, 1201000, 400);
WkbGeometryWriter writer = new WkbGeometryWriter();
byte[] wkb = writer.WritePolygon(poly);
// Wkx
var ordinates = Ordinates.Xyz;
LinearRing wkxLinearRing =
ToWkxLinearRing(GeometryUtils.GetWKSPointZs(poly), ordinates);
byte[] wkx = ToChristianSchwarzWkb(ToWkxPolygon(wkxLinearRing));
Assert.AreEqual(wkx, wkb);
// Bonus test: Geom
WkbGeomWriter geomWriter = new WkbGeomWriter();
RingGroup ringGroup = GeometryConversionUtils.CreateRingGroup(poly);
byte[] wkbGeom = geomWriter.WritePolygon(ringGroup, ordinates);
Assert.AreEqual(wkb, wkbGeom);
WkbGeometryReader reader = new WkbGeometryReader();
IPolygon restored = reader.ReadPolygon(new MemoryStream(wkb));
Assert.IsTrue(GeometryUtils.AreEqual(poly, restored));
WkbGeomReader geomReader = new WkbGeomReader();
Assert.IsTrue(
ringGroup.Equals(geomReader.ReadPolygon(new MemoryStream(wkbGeom))));
}
public void CanWriteAndReadMultiLinestring()
{
var points1 = new List <Pnt3D>
{
new Pnt3D(0, 0, 9),
new Pnt3D(0, 100, 8),
new Pnt3D(100, 100, 5)
};
var points2 = new List <Pnt3D>();
points2.Add(new Pnt3D(140, -10, 0));
points2.Add(new Pnt3D(140, 30, 23));
points2.Add(new Pnt3D(300, 30, 56));
points2.Add(new Pnt3D(300, -10, 0));
MultiPolycurve polycurve =
new MultiPolycurve(new[] { new Linestring(points1), new Linestring(points2) });
WkbGeomWriter writer = new WkbGeomWriter();
byte[] bytes = writer.WriteMultiLinestring(polycurve);
WkbGeomReader reader = new WkbGeomReader();
MultiPolycurve deserialized = reader.ReadMultiPolycurve(new MemoryStream(bytes));
Assert.IsTrue(deserialized.Equals(polycurve));
}
public void CanWriteMultiPoint()
{
Pnt3D point1 = new Pnt3D(2600001.123, 1200000.987, 432.1);
Pnt3D point2 = new Pnt3D(2600002.234, 1200002.876, 321.98);
IList <IPnt> multipoint = new IPnt[]
{
point1,
point2
};
WkbGeomWriter writer = new WkbGeomWriter();
byte[] bytes = writer.WriteMultipoint(multipoint);
WkbGeomReader reader = new WkbGeomReader();
List <IPnt> deserizalized = reader.ReadMultiPoint(new MemoryStream(bytes)).ToList();
Assert.AreEqual(multipoint.Count, deserizalized.Count);
for (int i = 0; i < multipoint.Count; i++)
{
Assert.IsTrue(deserizalized[i].Equals(multipoint[i]));
}
}
public void CanReadWriteMultipointXy()
{
var points = new WKSPointZ[4];
points[0] = new WKSPointZ {
X = 2600000, Y = 1200000, Z = double.NaN
};
points[1] = new WKSPointZ {
X = 2600030, Y = 1200020, Z = double.NaN
};
points[2] = new WKSPointZ {
X = 2600020, Y = 1200030, Z = double.NaN
};
points[3] = new WKSPointZ {
X = 2600040, Y = 1200040, Z = double.NaN
};
ISpatialReference sr =
SpatialReferenceUtils.CreateSpatialReference(WellKnownHorizontalCS.LV95);
IMultipoint multipoint = GeometryFactory.CreateMultipoint(points, sr);
GeometryUtils.MakeNonZAware(multipoint);
WkbGeometryWriter writer = new WkbGeometryWriter();
byte[] wkb = writer.WriteMultipoint(multipoint);
// ArcObjects
byte[] arcObjectsWkb = GeometryUtils.ToWkb(multipoint);
Assert.AreEqual(wkb, arcObjectsWkb);
// Wkx
byte[] wkx = ToChristianSchwarzWkb(ToWkxMultipoint(points, Ordinates.Xy));
Assert.AreEqual(wkx, wkb);
// Bonus test: Geom
WkbGeomWriter geomWriter = new WkbGeomWriter();
Multipoint <IPnt> multipnt = GeometryConversionUtils.CreateMultipoint(multipoint);
byte[] wkbGeom = geomWriter.WriteMultipoint(multipnt, Ordinates.Xy);
Assert.AreEqual(wkb, wkbGeom);
WkbGeometryReader reader = new WkbGeometryReader();
IMultipoint restored = reader.ReadMultipoint(new MemoryStream(wkb));
Assert.IsTrue(GeometryUtils.AreEqual(multipoint, restored));
// Geom
WkbGeomReader geomReader = new WkbGeomReader();
Multipoint <IPnt> deserializedPnts =
geomReader.ReadMultiPoint(new MemoryStream(wkbGeom));
Assert.IsTrue(
GeomRelationUtils.AreMultipointsEqualXY(multipnt, deserializedPnts,
double.Epsilon));
}
public void CanReadWriteSinglePartPolylineXy()
{
var points = new WKSPointZ[4];
points[0] = new WKSPointZ {
X = 2600000, Y = 1200000, Z = double.NaN
};
points[1] = new WKSPointZ {
X = 2600030, Y = 1200020, Z = double.NaN
};
points[2] = new WKSPointZ {
X = 2600020, Y = 1200030, Z = double.NaN
};
points[3] = new WKSPointZ {
X = 2600040, Y = 1200040, Z = double.NaN
};
IPolyline polyline = GeometryFactory.CreatePolyline(points, null);
GeometryUtils.MakeNonZAware(polyline);
GeometryUtils.Simplify(polyline);
WkbGeometryWriter writer = new WkbGeometryWriter();
byte[] wkb = writer.WritePolyline(polyline);
// ArcObjects
byte[] arcObjectsWkb = GeometryUtils.ToWkb(polyline);
Assert.AreEqual(wkb, arcObjectsWkb);
// Wkx
byte[] wkx = ToChristianSchwarzWkb(ToWkxLineString(points, Ordinates.Xy));
Assert.AreEqual(wkx, wkb);
// Bonus test: Geom
WkbGeomWriter geomWriter = new WkbGeomWriter();
MultiPolycurve multiPlycurve = GeometryConversionUtils.CreateMultiPolycurve(polyline);
byte[] wkbGeom = geomWriter.WriteMultiLinestring(multiPlycurve, Ordinates.Xy);
Assert.AreEqual(wkb, wkbGeom);
WkbGeometryReader reader = new WkbGeometryReader();
IPolyline restored = reader.ReadPolyline(new MemoryStream(wkb));
Assert.IsTrue(GeometryUtils.AreEqual(polyline, restored));
// Geom
WkbGeomReader geomReader = new WkbGeomReader();
Assert.IsTrue(
multiPlycurve.Equals(geomReader.ReadMultiPolycurve(new MemoryStream(wkbGeom))));
}
public void CanReadWritePoint()
{
IPoint pointXy = GeometryFactory.CreatePoint(2600000, 1200000);
IPoint pointXyz = GeometryFactory.CreatePoint(2600000, 1200000, 400);
WkbGeometryWriter writer = new WkbGeometryWriter();
byte[] wkb2D = writer.WritePoint(pointXy);
byte[] wkb3D = writer.WritePoint(pointXyz);
// Compare with AO (2D only)
byte[] arcObjectsWkb = GeometryUtils.ToWkb(pointXy);
Assert.AreEqual(arcObjectsWkb, wkb2D);
// Compare with Wkx
byte[] wkx2D = ToChristianSchwarzWkb(pointXy);
Assert.AreEqual(wkx2D, wkb2D);
byte[] wkx3D = ToChristianSchwarzWkb(pointXyz);
Assert.AreEqual(wkx3D, wkb3D);
// Bonus test: Geom
WkbGeomWriter geomWriter = new WkbGeomWriter();
Pnt3D pnt2D = new Pnt3D(pointXy.X, pointXy.Y, double.NaN);
byte[] bytesGeom2D = geomWriter.WritePoint(pnt2D, Ordinates.Xy);
Assert.AreEqual(wkb2D, bytesGeom2D);
Pnt3D pnt3D = new Pnt3D(pointXyz.X, pointXyz.Y, pointXyz.Z);
byte[] bytesGeom3D = geomWriter.WritePoint(pnt3D);
Assert.AreEqual(wkb3D, bytesGeom3D);
// NOTE: Comparison with ST_Geometry SDE.ST_AsBinary(SHAPE) using nHibernate
// connection is performed in StGeometryPerimeterRepositoryTest
// Read back:
WkbGeometryReader reader = new WkbGeometryReader();
IPoint restored = reader.ReadPoint(new MemoryStream(wkb2D));
Assert.IsTrue(GeometryUtils.AreEqual(pointXy, restored));
restored = reader.ReadPoint(new MemoryStream(wkb3D));
Assert.IsTrue(GeometryUtils.AreEqual(pointXyz, restored));
// Geom:
WkbGeomReader geomReader = new WkbGeomReader();
Assert.IsTrue(pnt2D.Equals(geomReader.ReadPoint(new MemoryStream(bytesGeom2D))));
Assert.IsTrue(pnt3D.Equals(geomReader.ReadPoint(new MemoryStream(bytesGeom3D))));
}
public void CanReadWriteSingleExteriorRingWithIslandsPolygonXyz()
{
ISpatialReference sr = SpatialReferenceUtils.CreateSpatialReference(
WellKnownHorizontalCS.LV95, WellKnownVerticalCS.LHN95);
IPolygon outerRing =
GeometryFactory.CreatePolygon(2600000, 1200000, 2601000, 1201000, 432);
outerRing.SpatialReference = sr;
IPolygon innerRing =
GeometryFactory.CreatePolygon(2600100, 1200100, 2600200, 1200200, 321);
innerRing.SpatialReference = sr;
IPolygon polyWithHole = (IPolygon)IntersectionUtils.Difference(outerRing, innerRing);
WkbGeometryWriter writer = new WkbGeometryWriter();
byte[] wkb = writer.WritePolygon(polyWithHole);
// Wkx
var ordinates = Ordinates.Xyz;
IGeometry exteriorRing = GeometryUtils.GetParts(polyWithHole).First();
IGeometry interiorRing = GeometryUtils.GetPaths(polyWithHole).Last();
LinearRing wkxOuterRing = ToWkxLinearRing(exteriorRing, ordinates);
LinearRing wkxInnerRing = ToWkxLinearRing(interiorRing, ordinates);
byte[] wkx = ToChristianSchwarzWkb(ToWkxPolygon(wkxOuterRing, new[] { wkxInnerRing }));
Assert.AreEqual(wkx, wkb);
// Bonus test: Geom
WkbGeomWriter geomWriter = new WkbGeomWriter();
RingGroup ringGroup = GeometryConversionUtils.CreateRingGroup(polyWithHole);
byte[] wkbGeom = geomWriter.WritePolygon(ringGroup, ordinates);
Assert.AreEqual(wkb, wkbGeom);
WkbGeometryReader reader = new WkbGeometryReader();
IPolygon restored = reader.ReadPolygon(new MemoryStream(wkb));
Assert.IsTrue(GeometryUtils.AreEqual(polyWithHole, restored));
// Geom:
WkbGeomReader geomReader = new WkbGeomReader();
Assert.IsTrue(
ringGroup.Equals(geomReader.ReadPolygon(new MemoryStream(wkbGeom))));
}
public void CanReadWriteMultipointXyz()
{
var points = new WKSPointZ[4];
points[0] = new WKSPointZ {
X = 2600000, Y = 1200000, Z = 456
};
points[1] = new WKSPointZ {
X = 2600030, Y = 1200020, Z = 457
};
points[2] = new WKSPointZ {
X = 2600020, Y = 1200030, Z = 459
};
points[3] = new WKSPointZ {
X = 2600010, Y = 1200010, Z = 416
};
ISpatialReference sr =
SpatialReferenceUtils.CreateSpatialReference(WellKnownHorizontalCS.LV95);
IMultipoint multipoint = GeometryFactory.CreateMultipoint(points, sr);
WkbGeometryWriter writer = new WkbGeometryWriter();
byte[] wkb = writer.WriteMultipoint(multipoint);
// Wkx
byte[] wkx = ToChristianSchwarzWkb(ToWkxMultipoint(points, Ordinates.Xyz));
Assert.AreEqual(wkx, wkb);
// Bonus test: Geom
WkbGeomWriter geomWriter = new WkbGeomWriter();
Multipoint <IPnt> multipnt = GeometryConversionUtils.CreateMultipoint(multipoint);
byte[] wkbGeom = geomWriter.WriteMultipoint(multipnt, Ordinates.Xyz);
Assert.AreEqual(wkb, wkbGeom);
WkbGeometryReader reader = new WkbGeometryReader();
IMultipoint restored = reader.ReadMultipoint(new MemoryStream(wkb));
Assert.IsTrue(GeometryUtils.AreEqual(multipoint, restored));
// Geom
WkbGeomReader geomReader = new WkbGeomReader();
Multipoint <IPnt> deserializedPnts =
geomReader.ReadMultiPoint(new MemoryStream(wkbGeom));
Assert.IsTrue(multipnt.Equals(deserializedPnts));
}
public void CanWritePoint()
{
Pnt3D point = new Pnt3D(2600001.123, 1200000.987, 432.1);
WkbGeomWriter writer = new WkbGeomWriter();
byte[] bytes = writer.WritePoint(point);
WkbGeomReader reader = new WkbGeomReader();
IPnt deserializedPoint = reader.ReadPoint(new MemoryStream(bytes));
Assert.IsTrue(deserializedPoint.Equals(point));
}
public void CanWriteAndReadMultiPolygonWithInnerRing()
{
var ring1 = new List <Pnt3D>
{
new Pnt3D(0, 0, 9),
new Pnt3D(0, 100, 8),
new Pnt3D(100, 100, 5),
new Pnt3D(100, 20, 9)
};
var disjoint = new List <Pnt3D>();
disjoint.Add(new Pnt3D(140, -10, 0));
disjoint.Add(new Pnt3D(140, 30, 23));
disjoint.Add(new Pnt3D(300, 30, 56));
disjoint.Add(new Pnt3D(300, -10, 0));
RingGroup poly1 = CreatePoly(ring1);
poly1.AddInteriorRing(new Linestring(new[]
{
new Pnt3D(25, 50, 0),
new Pnt3D(50, 50, 0),
new Pnt3D(50, 75, 0),
new Pnt3D(25, 75, 0),
new Pnt3D(25, 50, 0)
}
));
Linestring disjointRing = CreateRing(disjoint);
var poly2 = new RingGroup(disjointRing);
var multipolygon = new List <RingGroup>(new[] { poly1, poly2 });
WkbGeomWriter writer = new WkbGeomWriter();
byte[] bytes = writer.WriteMultipolygon(multipolygon);
WkbGeomReader reader = new WkbGeomReader();
IList <RingGroup> deserialized = reader.ReadMultiPolygon(new MemoryStream(bytes));
Assert.IsTrue(deserialized[0].Equals(multipolygon[0]));
Assert.IsTrue(deserialized[1].Equals(multipolygon[1]));
}
public void CanReadClockwiseWindingPolygon()
{
// Some OGC 1.1 implementations do not have counter-clockwise polygon winding order:
var ring1 = new List <Pnt3D>
{
new Pnt3D(0, 0, 9),
new Pnt3D(0, 100, 8),
new Pnt3D(100, 100, 5),
new Pnt3D(100, 20, 9)
};
RingGroup polygon = CreatePoly(ring1);
polygon.AddInteriorRing(new Linestring(new[]
{
new Pnt3D(25, 50, 0),
new Pnt3D(50, 50, 0),
new Pnt3D(50, 75, 0),
new Pnt3D(25, 75, 0),
new Pnt3D(25, 50, 0)
}
));
RingGroup inverted = (RingGroup)polygon.Clone();
inverted.ReverseOrientation();
WkbGeomWriter writer = new WkbGeomWriter();
byte[] bytes = writer.WritePolygon(inverted);
const bool assumeWkbPolygonsClockwise = true;
WkbGeomReader reader = new WkbGeomReader(assumeWkbPolygonsClockwise);
RingGroup deserialized = reader.ReadPolygon(new MemoryStream(bytes));
Assert.IsTrue(deserialized.Equals(polygon));
}
public void CanWriteMultiPoint()
{
Pnt3D point1 = new Pnt3D(2600001.123, 1200000.987, 432.1);
Pnt3D point2 = new Pnt3D(2600002.234, 1200002.876, 321.98);
var multipoint = new Multipoint <IPnt>(new[]
{
point1,
point2
});
WkbGeomWriter writer = new WkbGeomWriter();
byte[] bytes = writer.WriteMultipoint(multipoint);
WkbGeomReader reader = new WkbGeomReader();
Multipoint <IPnt> deserizalized = reader.ReadMultiPoint(new MemoryStream(bytes));
Assert.AreEqual(multipoint.PointCount, deserizalized.PointCount);
Assert.IsTrue(deserizalized.Equals(multipoint));
}
public void CanReadWriteMultipartPolygonXyz()
{
ISpatialReference sr = SpatialReferenceUtils.CreateSpatialReference(
WellKnownHorizontalCS.LV95, WellKnownVerticalCS.LHN95);
IPolygon outerRing =
GeometryFactory.CreatePolygon(2600000, 1200000, 2601000, 1201000, 432);
outerRing.SpatialReference = sr;
IPolygon innerRing =
GeometryFactory.CreatePolygon(2600100, 1200100, 2600200, 1200200, 421);
innerRing.SpatialReference = sr;
IPolygon polyWithHole = (IPolygon)IntersectionUtils.Difference(outerRing, innerRing);
IPolygon poly2 = GeometryFactory.CreatePolygon(2610000, 1200000, 2611000, 1201000, 543);
poly2.SpatialReference = sr;
IPolygon multiPolygon = (IPolygon)GeometryUtils.Union(polyWithHole, poly2);
Assert.IsTrue(GeometryUtils.IsZAware(multiPolygon));
GeometryUtils.Simplify(multiPolygon);
WkbGeometryWriter writer = new WkbGeometryWriter();
byte[] wkb = writer.WritePolygon(multiPolygon);
// Wkx
var ordinates = Ordinates.Xyz;
IList <IGeometry> parts = GeometryUtils.GetParts(multiPolygon).ToList();
IGeometry exteriorRing = parts[0];
IGeometry interiorRing = parts[1];
IGeometry secondExteriorRing = parts[2];
LinearRing wkxOuterRing = ToWkxLinearRing(exteriorRing, ordinates);
LinearRing wkxInnerRing = ToWkxLinearRing(interiorRing, ordinates);
Polygon wkxPolygon1 = ToWkxPolygon(wkxOuterRing, new[] { wkxInnerRing });
Polygon wkxPolygon2 = ToWkxPolygon(ToWkxLinearRing(secondExteriorRing, ordinates));
MultiPolygon wkxMultiPolygon = new MultiPolygon(new[] { wkxPolygon1, wkxPolygon2 });
byte[] wkx = ToChristianSchwarzWkb(wkxMultiPolygon);
Assert.AreEqual(wkx, wkb);
// Bonus test: Geom
WkbGeomWriter geomWriter = new WkbGeomWriter();
MultiPolycurve multiPly = GeometryConversionUtils.CreateMultiPolycurve(multiPolygon);
byte[] wkbGeom = geomWriter.WriteMultipolygon(multiPly, ordinates);
Assert.AreEqual(wkb, wkbGeom);
WkbGeometryReader reader = new WkbGeometryReader();
IPolygon restored = reader.ReadPolygon(new MemoryStream(wkb));
Assert.IsTrue(GeometryUtils.AreEqual(multiPolygon, restored));
// Geom:
WkbGeomReader geomReader = new WkbGeomReader();
IList <RingGroup> readMultiPolygon =
geomReader.ReadMultiPolygon(new MemoryStream(wkbGeom));
var readMultiPolycurve = new MultiPolycurve(
readMultiPolygon.SelectMany(g => g.GetLinestrings()));
Assert.IsTrue(multiPly.Equals(readMultiPolycurve));
// As multipatch
IMultiPatch multipatch = GeometryFactory.CreateMultiPatch(multiPolygon);
wkb = writer.WriteMultipatch(multipatch);
IMultiPatch readMultipatch = (IMultiPatch)reader.ReadGeometry(new MemoryStream(wkb));
// TODO: Implement AreEqual for multipatch that is more permissive regarding First/Outer ring type
AssertEqual(multipatch, readMultipatch);
}
public void CanReadWriteMultiPartPolylineXyz()
{
// The spatial reference is important to avoid small differences in
// coordinates (snap to spatial reference!)
ISpatialReference sr = SpatialReferenceUtils.CreateSpatialReference(
WellKnownHorizontalCS.LV95, WellKnownVerticalCS.LHN95);
var points1 = new WKSPointZ[4];
points1[0] = new WKSPointZ {
X = 2600000, Y = 1200000, Z = 456
};
points1[1] = new WKSPointZ {
X = 2600030, Y = 1200020, Z = 457
};
points1[2] = new WKSPointZ {
X = 2600020, Y = 1200030, Z = 459
};
points1[3] = new WKSPointZ {
X = 2600040, Y = 1200040, Z = 416
};
IPolyline polyline1 = GeometryFactory.CreatePolyline(points1, sr);
var points2 = new WKSPointZ[4];
points2[0] = new WKSPointZ {
X = 2610000, Y = 1200000, Z = 656
};
points2[1] = new WKSPointZ {
X = 2610030, Y = 1200020, Z = 657
};
points2[2] = new WKSPointZ {
X = 2610020, Y = 1200030, Z = 659
};
points2[3] = new WKSPointZ {
X = 2610040, Y = 1200040, Z = 616
};
IPolyline polyline2 = GeometryFactory.CreatePolyline(points2, sr);
IPolyline polyline = (IPolyline)GeometryUtils.Union(polyline1, polyline2);
GeometryUtils.Simplify(polyline);
WkbGeometryWriter writer = new WkbGeometryWriter();
byte[] wkb = writer.WritePolyline(polyline);
// Wkx
var ordinates = Ordinates.Xyz;
MultiLineString multiLineString = new MultiLineString(
new List <LineString>
{
ToWkxLineString(points1, ordinates), ToWkxLineString(points2, ordinates)
});
byte[] wkx = ToChristianSchwarzWkb(multiLineString);
Assert.AreEqual(wkx, wkb);
// Bonus test: Geom
WkbGeomWriter geomWriter = new WkbGeomWriter();
MultiPolycurve multiPlycurve = GeometryConversionUtils.CreateMultiPolycurve(polyline);
byte[] wkbGeom = geomWriter.WriteMultiLinestring(multiPlycurve, ordinates);
Assert.AreEqual(wkb, wkbGeom);
WkbGeometryReader reader = new WkbGeometryReader();
IPolyline restored = reader.ReadPolyline(new MemoryStream(wkb));
Assert.IsTrue(GeometryUtils.AreEqual(polyline, restored));
// Geom:
WkbGeomReader geomReader = new WkbGeomReader();
Assert.IsTrue(
multiPlycurve.Equals(geomReader.ReadMultiPolycurve(new MemoryStream(wkbGeom))));
}
