edu.ucdavis.cstars.client.layers

Class DynamicMapServiceLayer

java.lang.Object

com.google.gwt.core.client.JavaScriptObject

edu.ucdavis.cstars.client.layers.Layer

edu.ucdavis.cstars.client.layers.DynamicMapServiceLayer

Direct Known Subclasses:

ArcGISDynamicMapServiceLayer, ArcGISImageServiceLayer, WMSLayer

public class DynamicMapServiceLayer
extends Layer

The base class for ArcGIS Server dynamic map services. DynamicMapServiceLayer has no constructor. Use ArcGISDynamicMapServicLayer and ArcGISImageServiceLayer instead.

Author:

Justin Merz

Method Summary

Methods

Modifier and Type	Method and Description
Extent	getFullExtent() Full extent as defined by the map service.
java.lang.String	getImageUrl(Extent extent, float width, float height, GetImageUrlCallback callback) Method to implement when extending DynamicMapServiceLayer.
Extent	getInitialExtent() Initial extent as defined by the map service.
SpatialReference	getSpatialReference() The spatial reference of the map service.
void	refresh() Refreshes the map by making a new request to the server.

Methods inherited from class edu.ucdavis.cstars.client.layers.Layer

addErrorHandler, addLoadHandler, addOpacityChangeHandler, addUpdateEndHandler, addUpdateHandler, addUpdateStartHandler, addVisibilityChangeHandler, getCredential, getId, getOpacity, getUrl, hide, isloaded, isVisible, setOpacity, setVisibility, show

Methods inherited from class com.google.gwt.core.client.JavaScriptObject

cast, createArray, createArray, createFunction, createObject, equals, hashCode, toSource, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

getFullExtent

public final Extent getFullExtent()

Full extent as defined by the map service.

Returns:

Extent

getInitialExtent

public final Extent getInitialExtent()

Initial extent as defined by the map service.

Returns:

Extent

getSpatialReference

public final SpatialReference getSpatialReference()

The spatial reference of the map service.

Returns:

SpatialReference

getImageUrl

public final java.lang.String getImageUrl(Extent extent,
                           float width,
                           float height,
                           GetImageUrlCallback callback)

Method to implement when extending DynamicMapServiceLayer.

Parameters:

extent - - Current extent of the map.

width - - Current width of the map in pixels.

height - - Current height of the map in pixels.

callback - - The function to call when the method has completed.

Returns:

String

refresh

public final void refresh()

Refreshes the map by making a new request to the server. In order to refresh the layer in this manner, setDisableClientCaching must be true. This ensures that map images are not cached on the client.