OpenLayers.Layer.GML

Create a vector layer by parsing a GML file. The GML file is passed in as a parameter.

Inherits from

OpenLayers.Layer.Vector

Summary

OpenLayers.Layer.GML	Create a vector layer by parsing a GML file.
Properties
loaded	{Boolean} Flag for whether the GML data has been loaded yet.
format	{OpenLayers.Format} The format you want the data to be parsed with.
formatOptions	{Object} Hash of options which should be passed to the format when it is created.
Constructor
OpenLayers.Layer.GML	Load and parse a single file on the web, according to the format provided via the ‘format’ option, defaulting to GML.
Functions
setVisibility	Set the visibility flag for the layer and hide/show&redraw accordingly.
moveTo	If layer is visible and GML has not been loaded, load GML, then load GML and call OpenLayers.Layer.Vector.moveTo() to redraw at the new location.
loadGML
setUrl	Change the URL and reload the GML
requestSuccess	Process GML after it has been loaded.
requestFailure	Process a failed loading of GML.

Properties

loaded

{Boolean} Flag for whether the GML data has been loaded yet.

format

{OpenLayers.Format} The format you want the data to be parsed with.

formatOptions

{Object} Hash of options which should be passed to the format when it is created. Must be passed in the constructor.

Constructor

OpenLayers.Layer.GML

Load and parse a single file on the web, according to the format provided via the ‘format’ option, defaulting to GML.

Parameters

name	{String}
url	{String} URL of a GML file.
options	{Object} Hashtable of extra options to tag onto the layer.

Functions

setVisibility

setVisibility: function( visibility,
noEvent )

Set the visibility flag for the layer and hide/show&redraw accordingly. Fire event unless otherwise specified GML will be loaded if the layer is being made visible for the first time.

Parameters

visible	{Boolean} Whether or not to display the layer (if in range)
noEvent	{Boolean}

moveTo

moveTo:function( bounds,
zoomChanged,
minor )

If layer is visible and GML has not been loaded, load GML, then load GML and call OpenLayers.Layer.Vector.moveTo() to redraw at the new location.

Parameters

bounds	{Object}
zoomChanged	{Object}
minor	{Object}

loadGML

loadGML: function()

setUrl

setUrl:function( url )

Change the URL and reload the GML

Parameters

url	{String} URL of a GML file.

requestSuccess

requestSuccess:function( request )

Process GML after it has been loaded. Called by initialise() and loadUrl() after the GML has been loaded.

Parameters

request

{String}

requestFailure

requestFailure: function( request )

Process a failed loading of GML. Called by initialise() and loadUrl() if there was a problem loading GML.

Parameters

request

{String}