protected Geography(System.Spatial.CoordinateSystem coordinateSystem, SpatialImplementation creator)
{
Util.CheckArgumentNull(coordinateSystem, "coordinateSystem");
Util.CheckArgumentNull(creator, "creator");
this.coordinateSystem = coordinateSystem;
this.creator = creator;
}
protected Geometry(System.Spatial.CoordinateSystem coordinateSystem, SpatialImplementation creator)
{
Util.CheckArgumentNull(coordinateSystem, "coordinateSystem");
Util.CheckArgumentNull(creator, "creator");
this.coordinateSystem = coordinateSystem;
this.creator = creator;
}
internal static int ComputeHashCodeFor <T>(System.Spatial.CoordinateSystem coords, IEnumerable <T> fields)
{
Func <int, T, int> func = null;
if (func == null)
{
func = (current, field) => (current * 0x18d) ^ field.GetHashCode();
}
return(fields.Aggregate <T, int>(coords.GetHashCode(), func));
}
internal System.Spatial.Geography CreateGeography(Esri.ArcGISRuntime.Geometry.Geometry geometry)
{
if (geometry == null)
{
throw new ArgumentNullException("geometry");
}
System.Spatial.CoordinateSystem cs = null;
if (geometry.SpatialReference != null)
{
if (!geometry.SpatialReference.IsGeographic &&
geometry.SpatialReference.BaseGeographic != null &&
geometry.SpatialReference.BaseGeographic.Wkid > 0)
{
geometry = Esri.ArcGISRuntime.Geometry.GeometryEngine.Project(geometry, geometry.SpatialReference.BaseGeographic);
}
if (!geometry.SpatialReference.IsGeographic)
{
throw new ArgumentException("Can't convert geometry spatial reference to a supported geographic coordinate system");
}
if (geometry.SpatialReference.Wkid > 0)
{
cs = System.Spatial.CoordinateSystem.Geometry(geometry.SpatialReference.Wkid);
}
}
if (geometry is Esri.ArcGISRuntime.Geometry.MapPoint)
{
return(CreateGeographyPoint((Esri.ArcGISRuntime.Geometry.MapPoint)geometry, cs));
}
if (geometry is Esri.ArcGISRuntime.Geometry.Multipoint)
{
return(CreateGeographyMultipoint((Esri.ArcGISRuntime.Geometry.Multipoint)geometry, cs));
}
if (geometry is Esri.ArcGISRuntime.Geometry.Polyline)
{
return(CreateGeographyLineString((Esri.ArcGISRuntime.Geometry.Polyline)geometry, cs));
}
if (geometry is Esri.ArcGISRuntime.Geometry.Envelope) //Convert to polygon
{
var env = ((Esri.ArcGISRuntime.Geometry.Envelope)geometry);
geometry = new Esri.ArcGISRuntime.Geometry.Polygon(new Esri.ArcGISRuntime.Geometry.MapPoint[] {
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMin, env.YMax),
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMin, env.YMin),
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMax, env.YMin),
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMax, env.YMax),
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMin, env.YMax)
}, geometry.SpatialReference);
}
if (geometry is Esri.ArcGISRuntime.Geometry.Polygon)
{
return(CreateGeographyPolygon((Esri.ArcGISRuntime.Geometry.Polygon)geometry, cs));
}
throw new NotImplementedException();
}
internal System.Spatial.Geometry CreateGeometry(Esri.ArcGISRuntime.Geometry.Geometry geometry)
{
if (geometry == null)
{
throw new ArgumentNullException("geometry");
}
System.Spatial.CoordinateSystem cs = null;
if (geometry.SpatialReference != null && geometry.SpatialReference.Wkid > 0)
{
cs = System.Spatial.CoordinateSystem.Geometry(geometry.SpatialReference.Wkid);
}
if (geometry is Esri.ArcGISRuntime.Geometry.MapPoint)
{
return(CreateGeometryPoint((Esri.ArcGISRuntime.Geometry.MapPoint)geometry, cs));
}
if (geometry is Esri.ArcGISRuntime.Geometry.Multipoint)
{
return(CreateGeometryMultipoint((Esri.ArcGISRuntime.Geometry.Multipoint)geometry, cs));
}
if (geometry is Esri.ArcGISRuntime.Geometry.Polyline)
{
return(CreateGeometryLineString((Esri.ArcGISRuntime.Geometry.Polyline)geometry, cs));
}
if (geometry is Esri.ArcGISRuntime.Geometry.Envelope) //Convert to polygon
{
var env = ((Esri.ArcGISRuntime.Geometry.Envelope)geometry);
geometry = new Esri.ArcGISRuntime.Geometry.Polygon(new Esri.ArcGISRuntime.Geometry.MapPoint[] {
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMin, env.YMax),
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMin, env.YMin),
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMax, env.YMin),
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMax, env.YMax),
new Esri.ArcGISRuntime.Geometry.MapPoint(env.XMin, env.YMax)
}, geometry.SpatialReference);
}
if (geometry is Esri.ArcGISRuntime.Geometry.Polygon)
{
return(CreateGeometryPolygon((Esri.ArcGISRuntime.Geometry.Polygon)geometry, cs));
}
throw new NotImplementedException();
}
private System.Spatial.Geography CreateGeographyLineString(Esri.ArcGISRuntime.Geometry.Polyline polyline, System.Spatial.CoordinateSystem cs)
{
var b = System.Spatial.SpatialBuilder.Create();
if (cs != null)
{
b.GeographyPipeline.SetCoordinateSystem(cs);
}
b.GeographyPipeline.BeginGeography(
polyline.Parts.Count < 2 ?
System.Spatial.SpatialType.LineString :
System.Spatial.SpatialType.MultiLineString);
CreateGeographyFigures(polyline.Parts, b, false);
b.GeographyPipeline.EndGeography();
return(b.ConstructedGeography);
}
private System.Spatial.GeographyMultiPoint CreateGeographyMultipoint(Esri.ArcGISRuntime.Geometry.Multipoint multipoint, System.Spatial.CoordinateSystem cs)
{
var b = System.Spatial.SpatialBuilder.Create();
if (cs != null)
{
b.GeographyPipeline.SetCoordinateSystem(cs);
}
b.GeographyPipeline.BeginGeography(System.Spatial.SpatialType.MultiPoint);
foreach (var p in multipoint.Points)
{
b.GeographyPipeline.BeginGeography(System.Spatial.SpatialType.Point);
b.GeographyPipeline.BeginFigure(ToGeographyPosition(p));
b.GeographyPipeline.EndFigure();
b.GeographyPipeline.EndGeography();
}
b.GeographyPipeline.EndGeography();
return((System.Spatial.GeographyMultiPoint)b.ConstructedGeography);
}
private System.Spatial.GeographyPoint CreateGeographyPoint(Esri.ArcGISRuntime.Geometry.MapPoint mapPoint, System.Spatial.CoordinateSystem cs)
{
return(System.Spatial.GeographyPoint.Create(cs, mapPoint.Y, mapPoint.X,
mapPoint.HasZ ? (double?)mapPoint.Z : null,
mapPoint.HasM ? (double?)mapPoint.M : null));
}
private System.Spatial.Geography CreateGeographyPolygon(Esri.ArcGISRuntime.Geometry.Polygon polygon, System.Spatial.CoordinateSystem cs)
{
var b = System.Spatial.SpatialBuilder.Create();
if (cs != null)
{
b.GeographyPipeline.SetCoordinateSystem(cs);
}
var rings = Utilities.SplitMultiPolygon(polygon).ToList();
if (rings.Count > 1)
{
b.GeographyPipeline.BeginGeography(System.Spatial.SpatialType.MultiPolygon);
}
foreach (var outerRing in rings)
{
b.GeographyPipeline.BeginGeography(System.Spatial.SpatialType.Polygon);
CreateGeographyFigures(new Esri.ArcGISRuntime.Geometry.ReadOnlyPart[] { outerRing.Item1 }.Union(outerRing.Item2), b, true);
b.GeographyPipeline.EndGeography();
}
if (rings.Count > 1)
{
b.GeographyPipeline.EndGeography();
}
return(b.ConstructedGeography);
}
