public void test_GetBoundary()
{
Polygon poly = Poly1();
MultiLineString mls = poly.GetBoundary() as MultiLineString;
Assertion.AssertEquals("GetBoundary-1: ", 1, mls.GetNumGeometries());
Assertion.AssertEquals("GetBoundary-2: ", 9, mls.GetNumPoints());
Coordinates coords = mls.GetCoordinates();
for (int i = 0; i < 9; i++)
{
Assertion.AssertEquals("GetBoundary-3: ", true, coords[i].Equals(_exterior1.GetCoordinateN(i)));
}
}
public void test_NumPoints()
{
//create a geomerty collection
MultiLineString multiLS = CreateMLS();
Assertion.AssertEquals("NumPoints-1: ", 100, multiLS.GetNumPoints());
//now try it with a null geometry collection
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
multiLS = gf.CreateMultiLineString(null);
Assertion.AssertEquals("NumPoints-2: ", 0, multiLS.GetNumPoints());
//now try it with a different geometry collection
multiLS = closedMLS();
Assertion.AssertEquals("NumPoints-3: ", 30, multiLS.GetNumPoints());
//now try it with a mixed geometry collection
multiLS = nonSimpleMLS();
Assertion.AssertEquals("NumPoints-4: ", 18, multiLS.GetNumPoints());
}
/// <summary>
/// Writes to the given stream the equilivent shape file record given a Geometry object.
/// </summary>
/// <param name="geometry">The geometry object to write.</param>
/// <param name="file">The stream to write to.</param>
/// <param name="geometryFactory">The geometry factory to use.</param>
public override void Write(Geometry geometry, System.IO.BinaryWriter file, GeometryFactory geometryFactory)
{
MultiLineString multi = (MultiLineString)geometry;
file.Write(int.Parse(Enum.Format(typeof(ShapeType), this.ShapeType, "d")));
Envelope box = multi.GetEnvelopeInternal();
file.Write(box.MinX);
file.Write(box.MinY);
file.Write(box.MaxX);
file.Write(box.MaxY);
int numParts = multi.GetNumGeometries();
int numPoints = multi.GetNumPoints();
file.Write(numParts);
file.Write(numPoints);
//LineString[] lines = new LineString[numParts];
// write the offsets
int offset = 0;
for (int i = 0; i < numParts; i++)
{
Geometry g = multi.GetGeometryN(i);
file.Write(offset);
offset = offset + g.GetNumPoints();
}
Coordinate external;
for (int part = 0; part < numParts; part++)
{
Coordinates points = multi.GetGeometryN(part).GetCoordinates();
for (int i = 0; i < points.Count; i++)
{
external = geometryFactory.PrecisionModel.ToExternal(points[i]);
file.Write(external.X);
file.Write(external.Y);
}
}
}
