private Polygon CreateKmlPolygon(IPolygon polygon)
{
var kmlPolygon = new Polygon();
var ring = new LinearRing {
Coordinates = new CoordinateCollection()
};
kmlPolygon.OuterBoundary = new OuterBoundary {
LinearRing = ring
};
foreach (var coordinate in polygon.ExteriorRing.Coordinates)
{
ring.Coordinates.Add(new Vector(coordinate.Y, coordinate.X));
}
foreach (var interiorRing in polygon.InteriorRings)
{
var innerBoundary = new InnerBoundary();
kmlPolygon.AddInnerBoundary(innerBoundary);
ring = new LinearRing {
Coordinates = new CoordinateCollection()
};
innerBoundary.LinearRing = ring;
foreach (var coordinate in interiorRing.Coordinates)
{
ring.Coordinates.Add(new Vector(coordinate.Y, coordinate.X));
}
}
return(kmlPolygon);
}
public PlacemarkExtensionsTests()
{
_polygon = new Polygon
{
OuterBoundary = new OuterBoundary
{
LinearRing = new LinearRing
{
Coordinates = new CoordinateCollection
{
new Vector
{
Longitude = 30,
Latitude = 10
},
new Vector
{
Longitude = 40.5,
Latitude = 40
},
new Vector
{
Longitude = 20,
Latitude = 40
},
new Vector
{
Longitude = 10,
Latitude = 20
},
new Vector
{
Longitude = 30,
Latitude = 10
}
}
}
}
};
var polygonWithHole = new Polygon
{
OuterBoundary = new OuterBoundary
{
LinearRing = new LinearRing
{
Coordinates = new CoordinateCollection
{
new Vector
{
Longitude = 35,
Latitude = 10
},
new Vector
{
Longitude = 45,
Latitude = 45
},
new Vector
{
Longitude = 15,
Latitude = 40
},
new Vector
{
Longitude = 10,
Latitude = 20
},
new Vector
{
Longitude = 35,
Latitude = 10
}
}
}
}
};
polygonWithHole.AddInnerBoundary(new InnerBoundary
{
LinearRing = new LinearRing
{
Coordinates = new CoordinateCollection
{
new Vector
{
Longitude = 20,
Latitude = 30
},
new Vector
{
Longitude = 35,
Latitude = 35
},
new Vector
{
Longitude = 30,
Latitude = 20
},
new Vector
{
Longitude = 20,
Latitude = 30
}
}
}
});
_multipleGeometry = new MultipleGeometry();
_multipleGeometry.AddGeometry(new Polygon
{
OuterBoundary = new OuterBoundary
{
LinearRing = new LinearRing
{
Coordinates = new CoordinateCollection
{
new Vector
{
Longitude = 30,
Latitude = 20
},
new Vector
{
Longitude = 45,
Latitude = 40
},
new Vector
{
Longitude = 10,
Latitude = 40
},
new Vector
{
Longitude = 30,
Latitude = 20
}
}
}
}
});
_multipleGeometry.AddGeometry(new Polygon
{
OuterBoundary = new OuterBoundary
{
LinearRing = new LinearRing
{
Coordinates = new CoordinateCollection
{
new Vector
{
Longitude = 15,
Latitude = 5
},
new Vector
{
Longitude = 40,
Latitude = 10
},
new Vector
{
Longitude = 10,
Latitude = 20
},
new Vector
{
Longitude = 5,
Latitude = 10
},
new Vector
{
Longitude = 15,
Latitude = 5
}
}
}
}
});
var linestring = new LineString
{
Coordinates = new CoordinateCollection(new List <Vector>
{
new Vector
{
Longitude = 30,
Latitude = 10
},
new Vector
{
Longitude = 10,
Latitude = 30
},
new Vector
{
Longitude = 40,
Latitude = 40
}
})
};
_placemark = new Placemark
{
Geometry = _polygon
};
_placemarkWithHole = new Placemark
{
Geometry = polygonWithHole
};
_multiplePlacemark = new Placemark
{
Geometry = _multipleGeometry
};
_placemarkWithPoint = new Placemark
{
Geometry = new Point {
Coordinate = new Vector(15, 5)
}
};
_placemarkWithLinestring = new Placemark
{
Geometry = linestring
};
}
/// <summary>
/// Converts JSON geometry to KML geometry.
/// </summary>
/// <param name="geometry">ArcGIS JSON geometry</param>
/// <returns><see cref="Geometry"/></returns>
public static Geometry JsonToKmlGeometry(Dictionary <string, object> geometry)
{
Geometry placemarkGeometry;
if (geometry.Keys.Contains("x"))
{
// Create point geometry
// x and y are decimals;
var x = Convert.ToDouble(geometry["x"]);
var y = Convert.ToDouble(geometry["y"]);
placemarkGeometry = new Point {
Coordinate = new Vector(y, x)
};
}
else if (geometry.Keys.Contains("rings"))
{
// Create polygon geometry
var rings = (ArrayList)geometry["rings"];
var linearRings = from ArrayList ring in rings
select new LinearRing
{
Coordinates = new CoordinateCollection(from ArrayList point in ring
select new Vector(
Convert.ToDouble(point[1]),
Convert.ToDouble(point[0])
))
};
if (linearRings.Count() > 1)
{
var polygon = new Polygon();
polygon.OuterBoundary = new OuterBoundary {
LinearRing = linearRings.ElementAt(0)
};
var innerBoundaries = from lr in linearRings.Skip(1)
select new InnerBoundary {
LinearRing = lr
};
foreach (var ib in innerBoundaries)
{
polygon.AddInnerBoundary(ib);
}
placemarkGeometry = polygon;
}
else
{
placemarkGeometry = linearRings.First();
}
}
else if (geometry.Keys.Contains("paths"))
{
// Create line geometry
var paths = (ArrayList)geometry["paths"];
var lineStrings = from ArrayList path in paths
select new LineString
{
Coordinates = new CoordinateCollection(from ArrayList point in path
select new Vector(
Convert.ToDouble(point[1]),
Convert.ToDouble(point[0])
))
};
if (lineStrings.Count() > 1)
{
var multiGeo = new MultipleGeometry();
foreach (var ls in lineStrings)
{
multiGeo.AddGeometry(ls);
}
placemarkGeometry = multiGeo;
}
else
{
placemarkGeometry = lineStrings.First();
}
}
else
{
placemarkGeometry = null;
}
return(placemarkGeometry);
}
