Hello
am using WPF edition.
Am in need to draw the polygon shape for given location and i need to show it on the map, how i can do this????
How to draw and plot polygon shapes in the map
From reading your request, I think that what you want to do is track a polygon on the map and display the result. See the code below to see how I do that. See the comments for the explainations. If this is not what you are looking for, please explain to us in little more details.
private void LoadPost8010()
{
//Event handler to get the shape after tracking shape.
wpfMap1.TrackOverlay.TrackEnded += new EventHandler<TrackEndedTrackInteractiveOverlayEventArgs>(TrackOverlay_TrackEnded);
//Sets the map to track polygon. Tracks the polygon by clicking on map for each vertex of polygon
//and double clicking to end tracking the polygon.
wpfMap1.TrackOverlay.TrackMode = TrackMode.Polygon;
wpfMap1.MapUnit = GeographyUnit.DecimalDegree;
wpfMap1.BackgroundOverlay.BackgroundBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);
WorldMapKitWmsWpfOverlay worldMapKitDesktopOverlay = new WorldMapKitWmsWpfOverlay();
wpfMap1.Overlays.Add(worldMapKitDesktopOverlay);
//InMemoryFeatureLayer to display the result of the tracked polygons.
InMemoryFeatureLayer inMemoryFeaturelayer = new InMemoryFeatureLayer();
inMemoryFeaturelayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.CreateSimpleAreaStyle(GeoColor.FromArgb(150, GeoColor.StandardColors.Red));
inMemoryFeaturelayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
//Puts the InMemoryFeatureLayer on the LayerOverlay.
LayerOverlay dynamicOverlay = new LayerOverlay();
dynamicOverlay.Layers.Add("Polygons", inMemoryFeaturelayer);
wpfMap1.Overlays.Add("DynamicOverlay", dynamicOverlay);
wpfMap1.CurrentExtent = new RectangleShape(-98, 48, -75, 0);
wpfMap1.Refresh();
}
//Events to get the result of the tracked polygon after double clicking to end the tracking.
private void TrackOverlay_TrackEnded(object sender, TrackEndedTrackInteractiveOverlayEventArgs e)
{
LayerOverlay dynamicOverlay = (LayerOverlay)wpfMap1.Overlays["DynamicOverlay"];
InMemoryFeatureLayer inMemoryFeatureLayer = (InMemoryFeatureLayer)dynamicOverlay.Layers["Polygons"];
//Adds the tracked feature to InMemoryFeatureLayer from the feature of TrackShapeLayer of TrackOverlay
inMemoryFeatureLayer.InternalFeatures.Add(wpfMap1.TrackOverlay.TrackShapeLayer.InternalFeatures[0]);
//Alternative way is to use e.TrackedShape.
//inMemoryFeatureLayer.InternalFeatures.Add(new Feature(e.TrackShape));
//Clears the tracked features from TrackShapeLayer.
wpfMap1.TrackOverlay.TrackShapeLayer.InternalFeatures.Clear();
//Refreshes only dynamicOverlay so that we don't refresh the entire map.
wpfMap1.Refresh(dynamicOverlay);
}