/// <summary> Initializes a new instance of the <see cref="ShapeLayer"/> class. By default, the spatial reference system is set to "EPSG:4326". </summary>
/// <param name="name"> Name of the layer. </param>
public ShapeLayer(string name)
: base(name)
{
SpatialReferenceId = "EPSG:4326";
InitializeFactory(CanvasCategory.Content,
map =>
{
if (map.Name != "Map")
{
return(null);
}
var localOffset = (LocalOffset.X != 0 || LocalOffset.Y != 0)
? GeoTransform.Transform(LocalOffset, SpatialReferenceId, "PTV_MERCATOR")
: new Point(0, 0);
return(new ShapeCanvas(map, Shapes, SpatialReferenceId, LazyUpdate, true, localOffset));
});
}
/// <summary>
/// Converts a geographic point to a canvas coordinate.
/// </summary>
/// <param name="geoPoint">The geographic point.</param>
/// <param name="spatialReferenceId">The spatial reference identifier.</param>
/// <returns> The transformed canvas coordinate. </returns>
public Point GeoToCanvas(Point geoPoint, string spatialReferenceId)
{
return(PtvMercatorToCanvas(GeoTransform.Transform(geoPoint, spatialReferenceId, "PTV_MERCATOR")));
}