private static SMGeometry SqlGeometryToSharpMapMultiPoint(SqlGeometry geometry, Factory factory)
{
var fact = factory ?? Services.CreateGeometryFactory((int)geometry.STSrid);
var points = new SMPoint[(int)geometry.STNumGeometries()];
for (var i = 1; i <= geometry.STNumGeometries(); i++)
{
points[i - 1] = (SMPoint)SqlGeometryToSharpMapPoint(geometry.STGeometryN(i), fact);
}
return(fact.CreateMultiPoint(points));
}
internal static NTSMultiPoint ToNTSMultiPoint(Geometries.MultiPoint geom,
IGeometryFactory factory)
{
NTSPoint[] points = new NTSPoint[geom.Points.Count];
int index = 0;
foreach (Geometries.Point point in geom.Points)
{
points[index++] = ToNTSPoint(point, factory);
}
return(factory.CreateMultiPoint(points) as NTSMultiPoint);
}
internal static DotSpatial.Topology.Point ToDotSpatialPoint(GeoAPI.Geometries.IPoint point)
{
return(new DotSpatial.Topology.Point(point.X, point.Y));
}
private static void SharpMapPointToSqlGeometry(SqlGeometryBuilder geomBuilder, SMPoint point)
{
geomBuilder.BeginGeometry(OpenGisGeometryType.Point);
geomBuilder.BeginFigure(point.X, point.Y);
geomBuilder.EndFigure();
geomBuilder.EndGeometry();
}
internal static Geometries.Point ToSharpMapPoint(NTSPoint geom)
{
Debug.Assert(geom.Coordinates.Length == 1);
return(ToSharpMapPoint((geom.Coordinate as Coordinate)));
}
private static void SharpMapPointToSqlGeometry(SqlGeometryBuilder geomBuilder, SMPoint point)
{
geomBuilder.BeginGeometry(OpenGisGeometryType.Point);
geomBuilder.BeginFigure(point.X, point.Y);
geomBuilder.EndFigure();
geomBuilder.EndGeometry();
}
private static SMGeometry SqlGeometryToSharpMapMultiPoint(SqlGeometry geometry, Factory factory)
{
var fact = factory ?? Services.CreateGeometryFactory((int)geometry.STSrid);
var points = new SMPoint[(int)geometry.STNumGeometries()];
for (var i = 1; i <= geometry.STNumGeometries(); i++)
points[i-1] = (SMPoint) SqlGeometryToSharpMapPoint(geometry.STGeometryN(i), fact);
return fact.CreateMultiPoint(points);
}
internal static Geometries.Point ToSharpMapPoint(NTSPoint geom)
{
Debug.Assert(geom.Coordinates.Length == 1);
return ToSharpMapPoint((geom.Coordinate as Coordinate));
}
private static void SharpMapPointToSqlGeography(SqlGeographyBuilder geogBuilder, SMPoint point)
{
geogBuilder.BeginGeography(OpenGisGeographyType.Point);
geogBuilder.BeginFigure(point.Y, point.X);
geogBuilder.EndFigure();
geogBuilder.EndGeography();
}
internal static NTSMultiPoint ToNTSMultiPoint(Geometries.MultiPoint geom,
IGeometryFactory factory)
{
NTSPoint[] points = new NTSPoint[geom.Points.Count];
int index = 0;
foreach (Geometries.Point point in geom.Points)
points[index++] = ToNTSPoint(point, factory);
return factory.CreateMultiPoint(points) as NTSMultiPoint;
}
private readonly bool empty;//cached
/// <summary>
/// A simple constructor without normalization / validation.
/// </summary>
public NtsPoint(GeoAPI.Geometries.IPoint pointGeom, SpatialContext ctx)
{
this.ctx = ctx;
this.pointGeom = pointGeom;
this.empty = pointGeom.IsEmpty;
}
private static IPoint ReProject(this IPoint point, ICoordinateTransformation transformator)
{
return(new Point(point.Coordinate.ReProject(transformator)));
}
/// <summary>
/// Calculate distance between two points
/// </summary>
/// <param name="p1"></param>
/// <param name="p2"></param>
/// <returns></returns>
public static double Distance(this IPoint p1, IPoint p2)
{
return(Math.Sqrt(Math.Pow((p2.X - p1.X), 2) + Math.Pow((p2.Y - p1.Y), 2)));
}
/// <summary>
/// Cast point to webpoint
/// </summary>
/// <param name="point"></param>
/// <returns></returns>
public static WebPoint ToWebPoint(this IPoint point)
{
return(new WebPoint(point.X, point.Y));
}
