layers.Add("osm_place_city_point", GetPlaceCityLabelLayer());
layers.Add("osm_place_city_town_point", GetPlaceCityTownLabelLayer());
layers.Add("osm_water_large_polygon", GetWaterLargePolygonLayer());
layers.Add("ne_road20m_linestring", GetRoad20mLinestringLayer());
layers.Add("osm_road3m_linestring", GetRoad3mLinestringLayer());
layers.Add("osm_road_streets_linestring", GetStreetRoadLinestringLayer());
layers.Add("osm_contruct_large_polygon", GetLargeConstructPolygonLayer());
layers.Add("osm_boundary_country_state_linestring", GetCountryStateBoundaryLinestringLayer());
layers.Add("osm_boundary_country_state_county_linestring", GetCountryStateCountyBoundaryLinestringLayer());
			
			        private FeatureLayer GetCountryStateCountyBoundaryLinestringLayer()
        {
            FeatureLayer osm_boundary_country_state_county_linestring = GetFeatureLayer("osm_boundary_country_state_county_linestring");

            ValueStyle boundaryLevel12ValueStyle = new ValueStyle("admin_level", new Collection<ValueItem>()
				{
					new ValueItem("2", GetBoundaryNationalLineStyle(3)),
					new ValueItem("4", GetBoundaryStateLineStyle(2)),
					new ValueItem("6", GetBoundaryCountyLineStyle(1))
				});

            osm_boundary_country_state_county_linestring.ZoomLevelSet.ZoomLevel12.CustomStyles.Add(boundaryLevel12ValueStyle);
            osm_boundary_country_state_county_linestring.ZoomLevelSet.ZoomLevel12.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level13;

            return osm_boundary_country_state_county_linestring;
        }
    
	        private FeatureLayer GetCountryStateBoundaryLinestringLayer()
        {
            FeatureLayer osm_boundary_country_state_linestring = GetFeatureLayer("osm_boundary_country_state_linestring");

            ValueStyle boundaryLevel8ValueStyle = new ValueStyle("admin_level", new Collection<ValueItem>()
				{
					new ValueItem("2", GetBoundaryNationalLineStyle(2)),
					new ValueItem("4", GetBoundaryStateLineStyle(1))
				});

            osm_boundary_country_state_linestring.ZoomLevelSet.ZoomLevel08.CustomStyles.Add(boundaryLevel8ValueStyle);
            osm_boundary_country_state_linestring.ZoomLevelSet.ZoomLevel08.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level11;

            return osm_boundary_country_state_linestring;
        }
	
	
	        private FeatureLayer GetLargeConstructPolygonLayer()
        {
            FeatureLayer osm_construct_large_polygon = GetFeatureLayer("osm_construct_large_polygon");
            SetWhereClause(osm_construct_large_polygon, " ORDER BY osm_area desc ");

            FilterStyle buildingFilterStyle = new FilterStyle();
            buildingFilterStyle.Conditions.Add(new FilterCondition("building", "^(?!).*?$"));
            buildingFilterStyle.Styles.Add(GetBuildingAreaStyle());

            OsmWorldMapKitCompositeStyle compositeStyle = new OsmWorldMapKitCompositeStyle();
            compositeStyle.Styles.Add(buildingFilterStyle);

            osm_construct_large_polygon.ZoomLevelSet.ZoomLevel14.CustomStyles.Add(compositeStyle);
            osm_construct_large_polygon.ZoomLevelSet.ZoomLevel14.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level15;

            return osm_construct_large_polygon;
        }
	
	 private FeatureLayer GetStreetRoadLinestringLayer()
        {
            FeatureLayer osm_road_streets_linestring = GetFeatureLayer("osm_road_streets_linestring");
            SetWhereClause(osm_road_streets_linestring, " ORDER BY way_z_order ");

            osm_road_streets_linestring.ZoomLevelSet.ZoomLevel14.CustomStyles.Add(GetRoadLevel14Styles());
            osm_road_streets_linestring.ZoomLevelSet.ZoomLevel15.CustomStyles.Add(GetRoadLevel15Styles());

            return osm_road_streets_linestring;
        }
	

    private FeatureLayer GetRoad3mLinestringLayer()
        {
            FeatureLayer osm_road3m_linestring = GetFeatureLayer("osm_road5m_linestring");
            osm_road3m_linestring.Name = "osm_road3m_linestring";
            SetWhereClause(osm_road3m_linestring, " ORDER BY way_z_order ");

            osm_road3m_linestring.ZoomLevelSet.ZoomLevel09.CustomStyles.Add(GetRoadLevel09Styles());
            osm_road3m_linestring.ZoomLevelSet.ZoomLevel10.CustomStyles.Add(GetRoadLevel10Styles());
            osm_road3m_linestring.ZoomLevelSet.ZoomLevel11.CustomStyles.Add(GetRoadLevel11Styles());

            return osm_road3m_linestring;
        }        

		
		         private FeatureLayer GetRoad20mLinestringLayer()
        {
            FeatureLayer ne_road20m_linestring = GetFeatureLayer("ne_road10m_linestring");
            ne_road20m_linestring.Name = "ne_road20m_linestring";
            SetWhereClause(ne_road20m_linestring, " AND ((\"scalerank\" <= '4')) ");

            ne_road20m_linestring.ZoomLevelSet.ZoomLevel06.CustomStyles.Add(GetHighwayLineStyle(1));

            return ne_road20m_linestring;
        }
		 
  private FeatureLayer GetWaterLargePolygonLayer()
        {
            FeatureLayer osm_water_large_polygon = GetFeatureLayer("osm_water_large_polygon");

            osm_water_large_polygon.ZoomLevelSet.ZoomLevel11.CustomStyles.Add(GetWaterAreaStyle());
            osm_water_large_polygon.ZoomLevelSet.ZoomLevel11.CustomStyles.Add(GetWaterLabelTextStyle("name", 6));
            osm_water_large_polygon.ZoomLevelSet.ZoomLevel11.CustomStyles.Add(GetWaterLabelTextStyle("name:en", 6));
            osm_water_large_polygon.ZoomLevelSet.ZoomLevel11.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level13;
            return osm_water_large_polygon;
        }


 private FeatureLayer GetPlaceCityLabelLayer()
        {
            FeatureLayer osm_place_city_point = GetFeatureLayer("osm_place_city_point");

            ValueStyle placeLevel08ValueStyle = new ValueStyle("place", new Collection<ValueItem>()
			{
				new ValueItem("city", GetGeneralPurposeTextStyle("name", 7))
			});

            osm_place_city_point.ZoomLevelSet.ZoomLevel08.CustomStyles.Add(placeLevel08ValueStyle);

            return osm_place_city_point;
        }
		
		  private FeatureLayer GetPlaceCityTownLabelLayer()
        {
            FeatureLayer osm_place_city_town_point = GetFeatureLayer("osm_place_city_town_point");
            SetWhereClause(osm_place_city_town_point, " ORDER BY place ");

            ValueStyle placeLevel09ValueStyle = new ValueStyle("place", new Collection<ValueItem>()
			{
				new ValueItem("city", GetGeneralPurposeTextStyle("name", 8)),
				new ValueItem("town", GetGeneralPurposeTextStyle("name", 7))
			});

            osm_place_city_town_point.ZoomLevelSet.ZoomLevel09.CustomStyles.Add(placeLevel09ValueStyle);
            osm_place_city_town_point.ZoomLevelSet.ZoomLevel09.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level10;

            return osm_place_city_town_point;
        }