Class

VisualizationLayer

Initializes a new instance of the VisualizationLayer class.

Declaration

public VisualizationLayer()

Identifies the AllowDataTemplateForZoomLevel dependency property.

Declaration

public static readonly DependencyProperty AllowDataTemplateForZoomLevelProperty

Field Value

Identifies the AutoClusteringThreshold dependency property.

Declaration

public static readonly DependencyProperty AutoCalculateClusteringThresholdProperty

Field Value

Identifies the AutoHighlightMapShape dependency property.

Declaration

public static readonly DependencyProperty AutoHighlightMapShapeProperty

Field Value

Identifies the ClusterGenerator dependency property.

Declaration

public static readonly DependencyProperty ClusterGeneratorProperty

Field Value

Identifies the ClusterItemTemplate dependency property.

Declaration

public static readonly DependencyProperty ClusterItemTemplateProperty

Field Value

Identifies the ClusterTemplateSelector dependency property.

Declaration

public static readonly DependencyProperty ClusterTemplateSelectorProperty

Field Value

Identifies the ClusteringEnabled dependency property.

Declaration

public static readonly DependencyProperty ClusteringEnabledProperty

Field Value

Identifies the ClusteringEnabledThresholdMinItems dependency property.

Declaration

public static readonly DependencyProperty ClusteringEnabledThresholdMinItemsProperty

Field Value

Identifies the ClusteringEnabledThreshold dependency property.

Declaration

public static readonly DependencyProperty ClusteringEnabledThresholdProperty

Field Value

Identifies the Colorizer dependency property.

Declaration

public static readonly DependencyProperty ColorizerProperty

Field Value

Identifies the DefaultClusterTemplate dependency property.

Declaration

public static readonly DependencyProperty DefaultClusterTemplateProperty

Field Value

Identifies the DefaultItemTemplate dependency property.

Declaration

public static readonly DependencyProperty DefaultItemTemplateProperty

Field Value

Identifies the DefaultKmlItemTemplate dependency property.

Declaration

public static readonly DependencyProperty DefaultKmlItemTemplateProperty

Field Value

Identifies the GenerateClustersOnZoom dependency property.

Declaration

public static readonly DependencyProperty GenerateClustersOnZoomProperty

Field Value

Identifies the HighlightFill dependency property.

Declaration

public static readonly DependencyProperty HighlightFillProperty

Field Value

Identifies the ItemSelectionMode dependency property.

Declaration

public static readonly DependencyProperty ItemSelectionModeProperty

Field Value

Identifies the ItemTemplate dependency property.

Declaration

public static readonly DependencyProperty ItemTemplateProperty

Field Value

Identifies the ItemTemplateSelector dependency property.

Declaration

public static readonly DependencyProperty ItemTemplateSelectorProperty

Field Value

Identifies the ItemsSource dependency property.

Declaration

public static readonly DependencyProperty ItemsSourceProperty

Field Value

Identifies the PropertyAccessor dependency property.

Declaration

public static readonly DependencyProperty PropertyAccessorProperty

Field Value

Identifies the Reader dependency property.

Declaration

public static readonly DependencyProperty ReaderProperty

Field Value

Identifies the RenderWhileMotion dependency property.

Declaration

public static readonly DependencyProperty RenderWhileMotionProperty

Field Value

Identifies the SelectedFill dependency property.

Declaration

public static readonly DependencyProperty SelectedFillProperty

Field Value

Identifies the SelectedItems dependency property.

Declaration

public static readonly DependencyProperty SelectedItemsProperty

Field Value

Identifies the SelectionChanged routed event.

Declaration

public static readonly RoutedEvent SelectionChangedEvent

Field Value

Identifies the ShapeFillProperty dependency property.

Declaration

public static readonly DependencyProperty ShapeFillProperty

Field Value

Identifies the ShapeTemplate dependency property.

Declaration

public static readonly DependencyProperty ShapeTemplateProperty

Field Value

Identifies the UseIntersectForShapeSelection dependency property.

Declaration

public static readonly DependencyProperty UseIntersectForShapeSelectionProperty

Field Value

Identifies the VirtualizationSource dependency property.

Declaration

public static readonly DependencyProperty VirtualizationSourceProperty

Field Value

Identifies the ZoomLevelGridList dependency property.

Declaration

public static readonly DependencyProperty ZoomLevelGridListProperty

Field Value

Gets or sets value which indicates whether the DataTemplate will be re-applied to the map items when zoom level is changed. It makes possible creation of the DataTemplateSelector which will return data templates depends on the map zoom level.

Declaration

public bool AllowDataTemplateForZoomLevel { get; set; }

Property Value

Remarks

Gets or sets value which indicates whether the clustering threshold should be calculated automatically.

Declaration

public bool AutoCalculateClusteringThreshold { get; set; }

Property Value

Gets or sets value which indicates whether the map shapes should be highlighted automatically when mouse is over the shape.

Declaration

public bool AutoHighlightMapShape { get; set; }

Property Value

Gets or sets cluster generator.

Declaration

public IClusterGenerator ClusterGenerator { get; set; }

Property Value

Gets or sets data template which represents cluster item.

Declaration

public DataTemplate ClusterItemTemplate { get; set; }

Property Value

Gets or sets the custom logic for choosing a template used to display each cluster.

Declaration

public DataTemplateSelector ClusterTemplateSelector { get; set; }

Property Value

Gets or sets value which indicates whether clustering is enabled.

Declaration

public bool ClusteringEnabled { get; set; }

Property Value

Gets or sets clustering enabled threshold.

Declaration

public int ClusteringEnabledThreshold { get; set; }

Property Value

Remarks

Gets or sets minimal number of the items in the cluster for auto calculated clustering threshold.

Declaration

public int ClusteringEnabledThresholdMinItems { get; set; }

Property Value

Remarks

Gets all ClusterData objects currently handled by the VisualizationLayer.

Declaration

public IEnumerable<ClusterData> Clusters { get; }

Property Value

Gets or sets IMapShapeColorizer value to colorize shape or kml file.

Declaration

public IMapShapeColorizer Colorizer { get; set; }

Property Value

Gets or sets the default cluster data template.

Declaration

public DataTemplate DefaultClusterTemplate { get; set; }

Property Value

Gets or sets the default data template.

Declaration

public DataTemplate DefaultItemTemplate { get; set; }

Property Value

Gets or sets the default data template for KML points.

Declaration

public DataTemplate DefaultKmlItemTemplate { get; set; }

Property Value

Gets or sets value which indicates whether clusters should be re-generated when zoom level is changed.

Declaration

public bool GenerateClustersOnZoom { get; set; }

Property Value

Gets or sets default highlight shape fill properties. If highlight fill properties aren't set for MapShapeData object then this properties will be used.

Declaration

public MapShapeFill HighlightFill { get; set; }

Property Value

Gets or sets the item selection mode. It defines how the item in the visualization layer can be selected using RadMap user interface.

Declaration

public ItemSelectionMode ItemSelectionMode { get; set; }

Property Value

Gets or sets the DataTemplate used to display each item.

Declaration

public DataTemplate ItemTemplate { get; set; }

Property Value

Gets or sets the custom logic for choosing a template used to display each item.

Declaration

public DataTemplateSelector ItemTemplateSelector { get; set; }

Property Value

Gets items collection.

Declaration

public MapItemsCollection Items { get; }

Property Value

Gets or sets a collection used to generate the content of the visualization layer.

Declaration

public IEnumerable ItemsSource { get; set; }

Property Value

Gets or sets map control this layer belongs to.

Declaration

public RadMap MapControl { get; set; }

Property Value

Implements ILayer.MapControl

Gets or sets map property accessor. Map property accessor is an object which read map layer related properties (location, hot spot and so on) from data items.

Declaration

public IMapPropertyAccessor PropertyAccessor { get; set; }

Property Value

Gets or sets reader to loading map shapes. The map shapes are loaded by this reader will be added to the information layer automatically.

Declaration

public AsyncReaderBase Reader { get; set; }

Property Value

Gets or sets value which indicates whether the layer should request and render items dynamically during panning and zooming.

Declaration

public bool RenderWhileMotion { get; set; }

Property Value

Gets or sets selected shape fill properties. If fill properties aren't set for MapShapeData object then this properties will be used.

Declaration

public MapShapeFill SelectedFill { get; set; }

Property Value

Gets or sets list of the selected items.

Declaration

public IList<object> SelectedItems { get; set; }

Property Value

Gets or sets default shape fill properties. If fill properties aren't set for MapShapeData object then this properties will be used.

Declaration

public MapShapeFill ShapeFill { get; set; }

Property Value

Gets or sets the map shape visualization data template.

Declaration

public DataTemplate ShapeTemplate { get; set; }

Property Value

Gets or sets value which indicates whether bitmap cache should be used to accelerate panning operation.

Declaration

public bool UseBitmapCache { get; set; }

Property Value

Remarks

Gets or sets value which indicates whether the default (reflection-based) property accessor should be used to access item's map-relative properties (like Location or ZoomRange).

Declaration

public bool UseDefaultPropertyAccessor { get; set; }

Property Value

Remarks

Gets or sets value which indicates whether map shapes should be selected using intersection (true) or containment (false).

Declaration

public bool UseIntersectForShapeSelection { get; set; }

Property Value

Gets or sets virtualization source.

Declaration

public IMapItemsVirtualizationSource VirtualizationSource { get; set; }

Property Value

Gets ZoomLevelGrid collection.

Declaration

public ZoomLevelGridCollection ZoomLevelGridList { get; }

Property Value

Arrange screen position of the item.

Declaration

public void ArrangeItem(object item)

Parameters

Called to arrange and size the content.

Declaration

protected override Size ArrangeOverride(Size finalSize)

Parameters

Returns

Clear current selection.

Declaration

public List<object> ClearSelection(bool updateSelectedItems)

Parameters

Returns

Dispose all resources are used by information layer.

Declaration

public void Dispose()

Called when visual containers are being disposed.

Declaration

protected virtual void DisposeContainers()

Gets location rectangle which represents best view for the given list of the items. This method doesn't take in account visible size of the objects.

Declaration

public LocationRect GetBestView(IEnumerable<object> itemsList)

Parameters

Returns

Gets location rectangle which represents best view for the given list of the items. This method doesn't take in account visible size of the objects.

Declaration

public static LocationRect GetBestView(IEnumerable<object> itemsList, IMapPropertyAccessor propertyAccessor, Size defaultSize)

Parameters

Returns

Gets location rectangle which represents best view for the given list of the items. This method doesn't take in account visible size of the objects.

Declaration

public LocationRect GetBestView(IEnumerable<object> itemsList, Size defaultSize)

Parameters

Returns

Gets cluster which contains given items.

Declaration

public ClusterData GetClusterForItem(object item)

Parameters

Returns

Returns the container for the specified item.

Declaration

public UIElement GetContainerFromItem(object item)

Parameters

Returns

Gets double value from the correspondent attachable property.

Declaration

public double GetDoubleFromItem(object item, DataMember dataMember)

Parameters

Returns

Gets Hot Spot from the correspondent attachable property.

Declaration

public HotSpot GetHotSpotFromItem(object item)

Parameters

Returns

Search the items in the information layer by given location.

Declaration

public IEnumerable<object> GetItemsInLocation(Location location)

Parameters

Returns

Search the objects in the Visualization Layer by given location rectangle. Returns all objects which are located in the rectangle.

Declaration

public IEnumerable<object> GetItemsInRectangle(LocationRect rectangle)

Parameters

Returns

Search the objects in the Visualization Layer by given location rectangle. Returns all objects which are located in the rectangle.

Declaration

public IEnumerable<object> GetItemsInRectangle(LocationRect rectangle, bool useIntersectForShapes)

Parameters

Returns

Gets geographical location of the data item.

Declaration

public Location GetLocationFromInfo(MapObjectInfo info)

Parameters

Returns

Gets geographical location of the data item.

Declaration

public Location GetLocationFromItem(object item)

Parameters

Returns

Gets ZIndex value from the correspondent attachable property.

Declaration

public int GetZIndexFromItem(object item)

Parameters

Returns

Gets ZoomRange value from the correspondent attachable property.

Declaration

public ZoomRange GetZoomRangeFromItem(object item)

Parameters

Returns

When overridden in a derived class, is invoked whenever application code or internal processes (such as a rebuilding layout pass) call ApplyTemplate.

Declaration

public override void OnApplyTemplate()

Called when the clusters are invalidated changes.

Declaration

protected virtual void OnClustersInvalidated(EventArgs e)

Parameters

Called when the layer is being disposed.

Declaration

protected virtual void OnDispose()

Called when map control is changed.

Declaration

protected void OnMapChanged(RadMap oldMap, RadMap newMap)

Parameters

Called when the selection changes.

Declaration

protected virtual void OnSelectionChanged(SelectionChangedEventArgs e)

Parameters

Clears items from the layer and re-requests items for regions in current location and zoom.

Declaration

public void RefreshVirtualSource()

Reset clustering enabled threshold.

Declaration

public void ResetClusteringThreshold()

Reset all items on the layer.

Declaration

public void ResetItems(bool forceRefresh = false)

Parameters

Reverse selection for the given items. Selected items will be unselected, not selected items will be selected.

Declaration

public void ReverseSelection(IEnumerable<object> itemsToProcess)

Parameters

Reverse selection for the items in the given location.

Declaration

public void ReverseSelection(Location location)

Parameters

Select given items.

Declaration

public void Select(IEnumerable<object> itemsToSelect, bool clearSelection)

Parameters

Select items in the given location.

Declaration

public void Select(Location location, bool clearSelection)

Parameters

Select items in the given rectangle.

Declaration

public void Select(LocationRect selectionRect, bool clearSelection)

Parameters

Select given item.

Declaration

public void Select(object item, bool clearSelection)

Parameters

Set up clipping for layer.

Declaration

protected void SetClip(Size size)

Parameters

Starts the background thread responsible for processing the items from the VirtualizationSource.

Declaration

protected virtual void StartBackgroundThread()

Stops the background thread responsible for processing the items from the VirtualizationSource.

Declaration

protected virtual void StopBackgroundThread()

Unselect given items.

Declaration

public void Unselect(IEnumerable<object> itemsToUnselect)

Parameters

Unselect items in the given location.

Declaration

public void Unselect(Location location)

Parameters

Unselect items in the given rectangle.

Declaration

public void Unselect(LocationRect selectionRect)

Parameters

Unselect given item.

Declaration

public void Unselect(object item)

Parameters

Occurs when clusters are invalidated.

Declaration

public event EventHandler ClustersInvalidated

Event Value

Occurs when map shape visualization object is created. Can be used to attach event handlers.

Declaration

public event EventHandler<MapShapeOperationEventArgs> MapShapeVisualizationCreated

Event Value

Occurs when map shape visualization object is removed. Can be used to detach event handlers.

Declaration

public event EventHandler<MapShapeOperationEventArgs> MapShapeVisualizationRemoved

Event Value

Occurs when the selection of a VisualizationLayer changes.

Declaration

public event SelectionChangedEventHandler SelectionChanged

Event Value