private static void generateLines(IGeometryFactory geometryFactory,
ICollection <IGeometry> geometry,
Random rndGen)
{
ICoordinateSequenceFactory coordinateSequenceFactory =
geometryFactory.CoordinateSequenceFactory;
ICoordinateFactory coordinateFactory = geometryFactory.CoordinateFactory;
ICoordinateSequence coords = coordinateSequenceFactory.Create(CoordinateDimensions.Two);
Int32 lineCount = rndGen.Next(10, 100);
for (Int32 lineIndex = 0; lineIndex < lineCount; lineIndex++)
{
Int32 vertexCount = rndGen.Next(4, 15);
ICoordinate coordinate = coordinateFactory.Create(rndGen.NextDouble() * 1000,
rndGen.NextDouble() * 1000);
coords.Add(coordinate);
for (Int32 vertexIndex = 0; vertexIndex < vertexCount; vertexIndex++)
{
ICoordinate next = coordinateFactory.Create(coordinate[Ordinates.X] + rndGen.Next(-50, 50),
coordinate[Ordinates.Y] + rndGen.Next(-50, 50));
coords.Add(next);
coordinate = next;
}
ILineString line = geometryFactory.CreateLineString(coords);
geometry.Add(line);
}
}
private static void generatePolygons(IGeometryFactory geometryFactory,
ICollection <IGeometry> geometry,
Random rndGen)
{
ICoordinateSequenceFactory coordinateSequenceFactory =
geometryFactory.CoordinateSequenceFactory;
ICoordinateFactory coordinateFactory = geometryFactory.CoordinateFactory;
ICoordinateSequence coords = coordinateSequenceFactory.Create(CoordinateDimensions.Two);
Int32 polyCount = rndGen.Next(10, 100);
for (Int32 polyIndex = 0; polyIndex < polyCount; polyIndex++)
{
ICoordinate upperLeft = coordinateFactory.Create(rndGen.NextDouble() * 1000,
rndGen.NextDouble() * 1000);
Double sideLength = rndGen.NextDouble() * 50;
// Make a square
coords.Add(upperLeft);
coords.Add(coordinateFactory.Create(upperLeft[Ordinates.X] + sideLength,
upperLeft[Ordinates.Y]));
coords.Add(coordinateFactory.Create(upperLeft[Ordinates.X] + sideLength,
upperLeft[Ordinates.Y] - sideLength));
coords.Add(coordinateFactory.Create(upperLeft[Ordinates.X],
upperLeft[Ordinates.Y] - sideLength));
IPolygon polygon = geometryFactory.CreatePolygon(coords);
geometry.Add(polygon);
}
}
