Classes
Type Definitions
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Options{Object}
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Properties:
Name Type Argument Default Description attributions
AttributionLike <optional>
Attributions.
crossOrigin
null | string <optional>
The
crossOrigin
attribute for loaded images. Note that you must provide acrossOrigin
value 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 <optional>
true Use the
ol/Map#pixelRatio
value when requesting the image from the remote server.imageLoadFunction
LoadFunction <optional>
Optional function to load an image given a URL.
interpolate
boolean <optional>
true Use interpolated values when resampling. By default, linear interpolation is used when resampling. Set to false to use the nearest neighbor instead.
params
Object.<string, *> <optional>
ArcGIS Rest parameters. This field is optional. Service defaults will be used for any fields not specified.
FORMAT
isPNG32
by default.F
isIMAGE
by default.TRANSPARENT
istrue
by default.BBOX
,SIZE
,BBOXSR
, andIMAGESR
will be set dynamically. SetLAYERS
to override the default service layer visibility. See https://developers.arcgis.com/rest/services-reference/export-map.htm for further reference.projection
ProjectionLike <optional>
Projection. Default is the view projection. The projection code must contain a numeric end portion separated by : or the entire code must form a valid ArcGIS SpatialReference definition.
ratio
number <optional>
1.5 Ratio.
1
means image requests are the size of the map viewport,2
means twice the size of the map viewport, and so on.resolutions
Array.<number> <optional>
Resolutions. If specified, requests will be made for these resolutions only.
url
string <optional>
ArcGIS Rest service URL for a Map Service or Image Service. The url should include /MapServer or /ImageServer.