public static void AddText2(LocalVectorDataSource source, Projection projection)
        {
            TextStyleBuilder builder = new TextStyleBuilder();
            builder.OrientationMode = BillboardOrientation.BillboardOrientationFaceCamera;

            MapPos position = projection.FromWgs84(new MapPos(24.633216, 59.426869));
            Text popup = new Text(position, builder.BuildStyle(), "Face camera ground text");
            popup.SetMetaDataElement("ClickText", new Variant("Text nr 2"));

            source.Add(popup);
        }
        public static void AddText3(LocalVectorDataSource source, Projection projection)
        {
            TextStyleBuilder builder = new TextStyleBuilder();
            builder.FontSize = 22;
            builder.OrientationMode = BillboardOrientation.BillboardOrientationGround;

            MapPos position = projection.FromWgs84(new MapPos(24.646457, 59.420839));
            Text popup = new Text(position, builder.BuildStyle(), "Ground text");
            popup.SetMetaDataElement("ClickText", new Variant("Text nr 3"));

            source.Add(popup);
        }
        public static void AddText1(LocalVectorDataSource source, Projection projection)
        {
            // Create text style
            TextStyleBuilder builder = new TextStyleBuilder();
            builder.Color = new Color(255, 0, 0, 255); // Red
            builder.OrientationMode = BillboardOrientation.BillboardOrientationFaceCamera;

            // This enables higher resolution texts for retina devices, but consumes more memory and is slower
            builder.ScaleWithDPI = false;

            // Add text
            MapPos position = projection.FromWgs84(new MapPos(24.653302, 59.422269));
            Text popup = new Text(position, builder.BuildStyle(), "Face camera text");

            popup.SetMetaDataElement("ClickText", new Variant("Text nr 1"));
            source.Add(popup);
        }