/// <summary>
/// Gets the <see cref="IMultiPoint"/> containing the generated point
/// </summary>
/// <returns>A MultiPoint</returns>
public override IGeometry GetGeometry()
{
var nCells = (int)Math.Sqrt(NumPoints) + 1;
// ensure that at least numPts points are generated
if (nCells * nCells < NumPoints)
{
nCells += 1;
}
var gridDX = Extent.Width / nCells;
var gridDY = Extent.Height / nCells;
var gutterFrac = MathUtil.Clamp(GutterFraction, 0.0, 1.0);
var gutterOffsetX = gridDX * gutterFrac / 2;
var gutterOffsetY = gridDY * gutterFrac / 2;
var cellFrac = 1.0 - gutterFrac;
var cellDX = cellFrac * gridDX;
var cellDY = cellFrac * gridDY;
var pts = new Coordinate[nCells * nCells];
var index = 0;
for (var i = 0; i < nCells; i++)
{
for (var j = 0; j < nCells; j++)
{
var orgX = Extent.MinX + i * gridDX + gutterOffsetX;
var orgY = Extent.MinY + j * gridDY + gutterOffsetY;
pts[index++] = RandomPointInCell(orgX, orgY, cellDX, cellDY);
}
}
return(GeomFactory.CreateMultiPoint(pts));
}
public override IGeometry GetGeometry()
{
int level = RecursionLevelForSize(NumPoints);
var baseLine = GetSquareBaseLine();
var pts = GetBoundary(level, baseLine.GetCoordinate(0), baseLine.Length);
return(GeomFactory.CreatePolygon(
GeomFactory.CreateLinearRing(pts), null));
}
public override IGeometry GetGeometry()
{
int level = RecursionLevelForSize(NumPoints);
var baseLine = GetSquareBaseLine();
var origin = baseLine.GetCoordinate(0);
var holes = GetHoles(level, origin.X, origin.Y, Diameter);
var shell = (ILinearRing)((IPolygon)GeomFactory.ToGeometry(GetSquareExtent())).ExteriorRing;
return(GeomFactory.CreatePolygon(shell, holes));
}
private ILinearRing CreateSquareHole(double x, double y, double width)
{
var pts = new[]
{
new Coordinate(x, y),
new Coordinate(x + width, y),
new Coordinate(x + width, y + width),
new Coordinate(x, y + width),
new Coordinate(x, y)
};
return(GeomFactory.CreateLinearRing(pts));
}
public override IGeometry GetGeometry()
{
var pts = new Coordinate[NumPoints];
int i = 0;
while (i < NumPoints)
{
var p = CreateRandomCoord(Extent);
if (_extentLocator != null && !IsInExtent(p))
{
continue;
}
pts[i++] = p;
}
return(GeomFactory.CreateMultiPoint(pts));
}
