Class TiledMapSource
Map source which provides tiles for the MultiScaleImage.
Inherited Members
Namespace: Telerik.Windows.Controls.Map
Assembly: Telerik.Windows.Controls.DataVisualization.dll
Syntax
public class TiledMapSource : MultiScaleTileSource, IMapSourceConstructors
TiledMapSource(Int32, Int32, Int32, Int32)
Initializes a new instance of the TiledMapSource class.
Declaration
protected TiledMapSource(int minZoomLevel, int maxZoomLevel, int tileWidth, int tileHeight)Parameters
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System. Min zoom level. |
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System. Max zoom level. |
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System. Width of the tile. |
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System. Height of the tile. |
Fields
OpacityProperty
Identifies the Opacity Opacity dependency property.
Declaration
public static readonly DependencyProperty OpacityPropertyField Value
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System.
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Properties
CacheStorage
Gets or sets the CacheStorage property.
Declaration
public ICacheStorage CacheStorage { get; set; }Property Value
Implements
Culture
Gets or sets culture.
Declaration
public CultureInfo Culture { get; set; }Property Value
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System.
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Implements
IsTileCachingEnabled
Gets or sets the IsTileCachingEnabled property.
Declaration
public bool IsTileCachingEnabled { get; set; }Property Value
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System.
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Implements
MaxZoomLevel
Gets maximum zoom level.
Declaration
protected int MaxZoomLevel { get; }Property Value
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System.
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MinZoomLevel
Gets minimal zoom level.
Declaration
protected int MinZoomLevel { get; }Property Value
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System.
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Opacity
Gets or sets the opacity factor.
Declaration
public double Opacity { get; set; }Property Value
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System.
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Implements
UniqueId
Gets unique identifier of the map source.
Declaration
public string UniqueId { get; protected set; }Property Value
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System.
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Implements
Methods
CacheTile(Int32, Int32, Int32, Uri, DateTime, Byte[])
The MultiScaleImage control calls this method to possible caching tiles by provider.
Declaration
public override void CacheTile(int tileLevel, int tilePositionX, int tilePositionY, Uri uri, DateTime expires, byte[] tileBody)Parameters
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System. The MSI tile Level. |
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System. The number of tiles from the left (0 based) for this tile level. |
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System. The number of tiles from the top (0 based) for this tile level. |
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System. Uri. |
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System. DateTime of expires. |
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System. Tile body. |
Overrides
ConvertTileToZoomLevel(Int32)
Converts a tile level to a zoom level.
Declaration
protected virtual int ConvertTileToZoomLevel(int tileLevelDetail)Parameters
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System. The tile level (2^n = pixel width). |
Returns
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System. The zoom level. |
ConvertZoomToTileLevel(Int32)
Converts a zoom level to a tile level.
Declaration
protected virtual int ConvertZoomToTileLevel(int zoomLevel)Parameters
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System. The zoom level. |
Returns
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System. The tile level. |
GetCachedTile(Int32, Int32, Int32)
Gets the image URI.
Declaration
protected virtual Stream GetCachedTile(int tileLevel, int tilePositionX, int tilePositionY)Parameters
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System. Tile level. |
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System. Tile X. |
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System. Tile Y. |
Returns
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System. URI of image. |
GetCachedTileAsync(Int32, Int32, Int32, Action<Byte[]>)
Requests the cached tile.
Declaration
protected override void GetCachedTileAsync(int tileLevel, int tilePositionX, int tilePositionY, Action<byte[]> callback)Parameters
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System. Level of the tile. |
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System. X-matrix coordinate of the tile. |
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System. Y-matrix coordinate of the tile. |
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System. Callback which should be called to return tile if it is available or null. |
Overrides
GetCachedTileName(Int32, Int32, Int32)
Generates cache tile name.
Declaration
protected virtual string GetCachedTileName(int tileLevel, int tilePositionX, int tilePositionY)Parameters
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System. Tile level. |
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System. Tile X. |
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System. Tile Y. |
Returns
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System. Cache tile name. |
GetTile(Int32, Int32, Int32)
Gets the image URI.
Declaration
protected virtual Uri GetTile(int tileLevel, int tilePositionX, int tilePositionY)Parameters
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System. Tile level. |
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System. Tile X. |
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System. Tile Y. |
Returns
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System. URI of image. |
GetTileLayers(Int32, Int32, Int32, IList<Object>)
The MultiScaleImage control calls this method to get the URI's for the base layer and all Overlays.
Declaration
protected override void GetTileLayers(int tileLevel, int tilePositionX, int tilePositionY, IList<object> tileImageLayerSources)Parameters
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System. The MSI tile Level. |
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System. The number of tiles from the left (zero based) for this tile level. |
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System. The number of tiles from the top (zero based) for this tile level. |
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System. A reference to the object to add the layer and Overlay's URI's too. |
Overrides
Initialize()
Initialize map source.
Declaration
public virtual void Initialize()Implements
InvalidateNullTiles()
Invalidate tiles which have not been loaded yet.
Declaration
protected void InvalidateNullTiles()IsLevelSupported(Int32)
Indicates whether specified tile level is supported.
Declaration
public virtual bool IsLevelSupported(int level)Parameters
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System. Tile level. |
Returns
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System. true if tile level is supported. false otherwise. |
Implements
IsValidCacheUri(Int32, Int32, Int32, Uri)
Validates loaded uri to tile position. Should be overridden if the provider loads the same tile from different http addresses.
Declaration
protected virtual bool IsValidCacheUri(int tileLevel, int tilePositionX, int tilePositionY, Uri uri)Parameters
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System. The MSI tile Level. |
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System. The number of tiles from the left (0 based) for this tile level. |
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System. The number of tiles from the top (0 based) for this tile level. |
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System. Uri. |
Returns
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System. True if the loaded uri is valid. |
IsValidTileLevel(Int32)
Does the supplied tile Level fall within the range of valid levels.
Declaration
protected virtual bool IsValidTileLevel(int tileLevel)Parameters
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System. The proposed level. |
Returns
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System. True if it is valid else false. |
RaiseInitializationFaulted(String, Exception)
Raise InitializeCompleted event.
Declaration
protected void RaiseInitializationFaulted(string uniqueId, Exception error)Parameters
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System. Unique identifier of the map source. |
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System. Initialization error. |
RaiseInitializeCompleted()
Raise InitializeCompleted event.
Declaration
protected void RaiseInitializeCompleted()Events
InitializationFaulted
Occurs when initialization of the map source is faulted.
Declaration
public event EventHandler<InitializationFaultEventArgs> InitializationFaultedEvent Type
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System.
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InitializeCompleted
Occurs when initialization of the map source is completed.
Declaration
public event EventHandler InitializeCompletedEvent Type
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System.
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