/// <summary>
/// Create and add a cluster style to the coyote layer
/// </summary>
private void AddClusterPointStyle(ShapeFileFeatureLayer layer)
{
// Create the point style that will serve as the basis of the cluster style
var pointStyle = new PointStyle(new GeoImage(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Resources/coyote_paw.png")))
{
ImageScale = .4,
Mask = new AreaStyle(GeoPens.Black, GeoBrushes.White),
MaskType = MaskType.RoundedCorners
};
// Create a text style that will display the number of features within a clustered point
var textStyle = new TextStyle("FeatureCount", new GeoFont("Segoe UI", 12, DrawingFontStyles.Bold), GeoBrushes.DimGray)
{
HaloPen = new GeoPen(GeoBrushes.White, 2),
YOffsetInPixel = 1
};
// Create the cluster point style
var clusterPointStyle = new ClusterPointStyle(pointStyle, textStyle)
{
MinimumFeaturesPerCellToCluster = 1
};
// Add the point style to the collection of custom styles for ZoomLevel 1.
layer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(clusterPointStyle);
// Apply the styles for ZoomLevel 1 down to ZoomLevel 20. This effectively applies the point style on every zoom level on the map.
layer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
}
private void mapView_Loaded(object sender, RoutedEventArgs e)
{
GeoFont geoFont = new GeoFont("unicode", 8);
var random = new Random();
var inMemoryFeatureLayer1 = new InMemoryFeatureLayer();
for (var i = 0; i < 100000; i++)
{
var feature = new Feature(random.Next(-1000000, 1000000), random.Next(-1000000, 1000000));
inMemoryFeatureLayer1.InternalFeatures.Add(feature);
}
inMemoryFeatureLayer1.ZoomLevelSet.ZoomLevel01.DefaultPointStyle = new PointStyle(geoFont, startGlyphContent, GeoBrushes.Black);
inMemoryFeatureLayer1.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
var inMemoryFeatureLayer2 = new InMemoryFeatureLayer();
foreach (var feature in inMemoryFeatureLayer1.InternalFeatures)
{
inMemoryFeatureLayer2.InternalFeatures.Add(feature);
}
var clusterStyle = new ClusterPointStyle(new PointStyle(geoFont, startGlyphContent, GeoBrushes.Red), new TextStyle("FeatureCount", geoFont, new GeoSolidBrush(GeoColors.White)));
clusterStyle.DrawingClusteredFeature += ClusterStyle_DrawingClusteredFeature;
clusterStyle.CellSize = 100;
clusterStyle.MinimumFeaturesPerCellToCluster = 10;
inMemoryFeatureLayer2.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(clusterStyle);
inMemoryFeatureLayer2.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
var layerOverlay1 = new LayerOverlay();
layerOverlay1.Layers.Add(inMemoryFeatureLayer1);
var layerOverlay2 = new LayerOverlay()
{
TileType = TileType.SingleTile
};
layerOverlay2.Layers.Add(inMemoryFeatureLayer2);
var backgroundOverlay = new BackgroundOverlay()
{
BackgroundBrush = new GeoSolidBrush(GeoColors.LightGray)
};
mapView.Overlays.Add(backgroundOverlay);
mapView.Overlays.Add(layerOverlay1);
mapView.Overlays.Add(layerOverlay2);
mapView.MapUnit = GeographyUnit.Meter;
mapView.CurrentExtent = new RectangleShape(-100000, 100000, 100000, -100000);
}
