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);
}
private static Microsoft.SqlServer.Types.SqlGeometry CreateGeometryPolygon(Esri.ArcGISRuntime.Geometry.Polygon polygon, int cs)
{
var b = new Microsoft.SqlServer.Types.SqlGeometryBuilder();
b.SetSrid(cs);
var rings = Utilities.SplitMultiPolygon(polygon).ToList();
if (rings.Count > 1)
{
b.BeginGeometry(Microsoft.SqlServer.Types.OpenGisGeometryType.MultiPolygon);
}
foreach (var outerRing in rings)
{
b.BeginGeometry(Microsoft.SqlServer.Types.OpenGisGeometryType.Polygon);
CreateGeometryFigures(new Esri.ArcGISRuntime.Geometry.ReadOnlyPart[] { outerRing.Item1 }.Union(outerRing.Item2), b, true);
b.EndGeometry();
}
if (rings.Count > 1)
{
b.EndGeometry();
}
return(b.ConstructedGeometry);
}
/// <summary>
/// Calculates the scale at the center of a polygon, at a given pixel size
/// </summary>
/// <remarks>
/// A pixel is a device independent logical pixel - ie 1/96 inches.
/// </remarks>
/// <param name="visibleArea">The area which center the scale will be calculated for.</param>
/// <param name="unitsPerPixel">The size of a device indepedent pixel in the units of the spatial reference</param>
/// <returns>The MapScale for the center of the view</returns>
public static double CalculateScale(Esri.ArcGISRuntime.Geometry.Polygon visibleArea, double unitsPerPixel)
{
if (visibleArea == null)
{
return(double.NaN);
}
if (visibleArea.SpatialReference == null)
{
return(double.NaN);
}
if (double.IsNaN(unitsPerPixel) || unitsPerPixel <= 0)
{
return(double.NaN);
}
var center = visibleArea.Extent.GetCenter();
var centerOnePixelOver = new Geometry.MapPoint(center.X + unitsPerPixel, center.Y, center.SpatialReference);
// Calculate the geodedetic distance between two points one 'pixel' apart
var result = Geometry.GeometryEngine.DistanceGeodetic(center, centerOnePixelOver, Geometry.LinearUnits.Inches, Geometry.AngularUnits.Degrees, Geometry.GeodeticCurveType.Geodesic);
double distanceInInches = result.Distance;
return(distanceInInches * 96);
}
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 static Microsoft.SqlServer.Types.SqlGeometry CreateGeometry(Esri.ArcGISRuntime.Geometry.Geometry geometry)
{
if (geometry == null)
{
throw new ArgumentNullException("geometry");
}
int cs = 0;
if (geometry.SpatialReference != null && geometry.SpatialReference.Wkid > 0)
{
cs = 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();
}
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();
}
internal static Microsoft.SqlServer.Types.SqlGeography CreateGeography(Esri.ArcGISRuntime.Geometry.Geometry geometry)
{
if (geometry == null)
{
throw new ArgumentNullException("geometry");
}
if (geometry.SpatialReference == null)
{
throw new ArgumentException("Spatial reference cannot be null when converting to Geography types");
}
int cs = 0;
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 = geometry.SpatialReference.Wkid;
}
else
{
throw new ArgumentException("Unsupported geographic coordinate system");
}
}
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();
}
