ThinkGeo Cloud
ThinkGeo UI Controls
ThinkGeo Open Source
Help and Support
External Resources
ThinkGeo Cloud
ThinkGeo UI Controls
ThinkGeo Open Source
Help and Support
External Resources
This is an old revision of the document!
Represents an Overlay that contains layers.
N/A
Initialize an instance of the LayerOverlay class with the overlay identifier specified.
N/A
LayerOverlay(String,Boolean,TileType)
Initialize an instance of the LayerOverlay class with the overlay identifier, IsBaseOverlay boolean value and the value indicating whether to use tiling.
N/A
Sets the EPSG projection of the LayerOverlay when it is a base overlay.
N/A
Returns an EPSG string that indicates the projection of the LayerOverlay.
N/A
Gets the smallest extent that includes all of the features of all layers in the LayerOverlay.
If you have several layers, with one justified up and to the right and another justified down and to the left, this method will combine all of the current extents to make one composite extent.
Draw(GeoCanvas,Object,RectangleShape,GeographyUnit)
Draw all of the layers to the image object using the parameters specified.
N/A
Redraw this overlay.
N/A
GenerateCacheImages(ZoomLevel,RectangleShape,GeographyUnit)
Generates images to the server cache by zoomLevel.
This method will generate images to the server cache if you enable the ServerCache on this LayerOverlay. You can use this method to fill your server cache to enhance the performance of your web site.
GenerateCacheImages(Double,RectangleShape,GeographyUnit)
Generates the images to the server cache by scale.
This method will generate images to the server cache if you enable the ServerCache on this LayerOverlay. You can use this method to fill your server cache to enhance the performance of your web site.
N/A
N/A
N/A
N/A
N/A
N/A
DrawCore(GeoCanvas,Object,RectangleShape,GeographyUnit)
Draw all of the layers to the image object using the parameters specified.
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Gets or sets the number of extra rows and colums of tiles on each side that will surround the minimum grid tiles to cover the map. Used only when in MultipleTile mode.
N/A
N/A
Gets or sets the ClientCache object that contains the configuration for the browser cache of this overlay.
N/A
Gets or sets the format of the image that is sent to the web browser.
N/A
Gets or sets the quality of the JPEG image that is sent to the web browser. Valid values are between 1 - 100, inclusive.
The JpegQuality property determines the quality of the JPEG image that is sent to the browser if the WebImageFormat is Jpeg. Setting this property to a lower value will reduce the image filesize. The value must be between 1 - 100. The default is 100.
N/A
Gets a GeoCollection that contains the layers that will draw on the image that is sent to the browser.
The Layers property holds all of the layers that are used by the Draw method. The Draw method loops through all layers to filter out features and draw with specified styles to the image that will be sent to the browser.
Gets or sets a value that indicates whether the overlay is visible on the map.
N/A
Gets or sets a value that indicates whether the overlay wraps at the date line.
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Event Arguments:EventArgs