OpenLayers 3

Class: ImageWMS

ol.source.ImageWMS

Source for WMS servers providing single, untiled images.

new ol.source.ImageWMS(opt_options)

src/ol/source/imagewmssource.js, line 32
Name Type Description
options

Options.

Name Type Description
attributions Array.<ol.Attribution> | undefined

Attributions.
crossOrigin null | string | undefined

The crossOrigin attribute for loaded images. Note that you must provide a crossOrigin value if you are using the WebGL renderer or if you want to access pixel data with the Canvas renderer. See https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_enabled_image for more detail.
hidpi boolean | undefined experimental

Use the ol.Map#pixelRatio value when requesting the image from the remote server. Default is true.
serverType ol.source.wms.ServerType | string | undefined experimental

The type of the remote WMS server: mapserver, geoserver or qgis. Only needed if hidpi is true. Default is undefined.
imageLoadFunction ol.TileLoadFunctionType | undefined experimental

Optional function to load an image given a URL.
logo string | olx.LogoOptions | undefined

Logo.
params Object.<string, *>

WMS request parameters. At least a LAYERS param is required. STYLES is '' by default. VERSION is 1.3.0 by default. WIDTH, HEIGHT, BBOX and CRS (SRS for WMS version < 1.3.0) will be set dynamically.
projection ol.proj.ProjectionLike experimental

Projection.
ratio number | undefined

Ratio. 1 means image requests are the size of the map viewport, 2 means twice the size of the map viewport, and so on. Default is 1.5.
resolutions Array.<number> | undefined

Resolutions. If specified, requests will be made for these resolutions only.
url string | undefined

WMS service URL.
Fires:

Extends

Methods

changed() inherited experimental

src/ol/observable.js, line 52

Increases the revision counter and dispatches a 'change' event.

Fires:
  • change experimental

get(key){*} inherited

src/ol/object.js, line 150

Gets a value.

Name Type Description
key string

Key name.
Returns:
Value.

getAttributions(){Array.<ol.Attribution>} inherited

src/ol/source/source.js, line 104

Get the attributions of the source.

Returns:
Attributions.

getGetFeatureInfoUrl(coordinate, resolution, projection, params){string|undefined}

src/ol/source/imagewmssource.js, line 139

Return the GetFeatureInfo URL for the passed coordinate, resolution, and projection. Return undefined if the GetFeatureInfo URL cannot be constructed.

Name Type Description
coordinate ol.Coordinate

Coordinate.
resolution number

Resolution.
projection ol.proj.ProjectionLike

Projection.
params Object

GetFeatureInfo params. INFO_FORMAT at least should be provided. If QUERY_LAYERS is not provided then the layers specified in the LAYERS parameter will be used. VERSION should not be specified here.
Returns:
GetFeatureInfo URL.

getImageLoadFunction(){ol.ImageLoadFunctionType} experimental

src/ol/source/imagewmssource.js, line 267

Return the image load function of the source.

Returns:
The image load function.

getKeys(){Array.<string>} inherited

src/ol/object.js, line 164

Get a list of object property names.

Returns:
List of property names.
src/ol/source/source.js, line 114

Get the logo of the source.

Returns:
Logo.

getParams(){Object}

src/ol/source/imagewmssource.js, line 180

Get the user-provided params, i.e. those passed to the constructor through the "params" option, and possibly updated using the updateParams method.

Returns:
Params.

getProjection(){ol.proj.Projection} inherited experimental

src/ol/source/source.js, line 124

Get the projection of the source.

Returns:
Projection.

getProperties(){Object.<string, *>} inherited

src/ol/object.js, line 174

Get an object of all property names and values.

Returns:
Object.

getRevision(){number} inherited experimental

src/ol/observable.js, line 62
Returns:
Revision.

getState(){ol.source.State} inherited experimental

src/ol/source/source.js, line 140

Get the state of the source, see ol.source.State for possible states.

Returns:
State.

getUrl(){string|undefined}

src/ol/source/imagewmssource.js, line 338

Return the URL used for this WMS source.

Returns:
URL.

on(type, listener, opt_this){goog.events.Key} inherited

src/ol/observable.js, line 75

Listen for a certain type of event.

Name Type Description
type string | Array.<string>

The event type or array of event types.
listener function

The listener function.
this Object

The object to use as this in listener.
Returns:
Unique key for the listener.

once(type, listener, opt_this){goog.events.Key} inherited

src/ol/observable.js, line 88

Listen once for a certain type of event.

Name Type Description
type string | Array.<string>

The event type or array of event types.
listener function

The listener function.
this Object

The object to use as this in listener.
Returns:
Unique key for the listener.

set(key, value) inherited

src/ol/object.js, line 203

Sets a value.

Name Type Description
key string

Key name.
value *

Value.

setImageLoadFunction(imageLoadFunction) experimental

src/ol/source/imagewmssource.js, line 348

Set the image load function of the source.

Name Type Description
imageLoadFunction ol.ImageLoadFunctionType

Image load function.

setProperties(values) inherited

src/ol/object.js, line 216

Sets a collection of key-value pairs. Note that this changes any existing properties and adds new ones (it does not remove any existing properties).

Name Type Description
values Object.<string, *>

Values.

setUrl(url)

src/ol/source/imagewmssource.js, line 361

Set the URL to use for requests.

Name Type Description
url string | undefined

URL.

un(type, listener, opt_this) inherited

src/ol/observable.js, line 101

Unlisten for a certain type of event.

Name Type Description
type string | Array.<string>

The event type or array of event types.
listener function

The listener function.
this Object

The object which was used as this by the listener.

unByKey(key) inherited

src/ol/observable.js, line 114

Removes an event listener using the key returned by on() or once(). Note that using the ol.Observable.unByKey static function is to be preferred.

Name Type Description
key goog.events.Key

The key returned by on() or once().

unset(key) inherited

src/ol/object.js, line 229

Unsets a property.

Name Type Description
key string

Key name.

updateParams(params)

src/ol/source/imagewmssource.js, line 375

Update the user-provided params.

Name Type Description
params Object

Params.