CornersGeoreference

AMD: require(["esri/layers/support/CornersGeoreference"], (CornersGeoreference) => { /* code goes here */ });
ESM: import CornersGeoreference from "@arcgis/core/layers/support/CornersGeoreference";
Class: esri/layers/support/CornersGeoreference
Inheritance: CornersGeoreference Accessor
Since: ArcGIS API for JavaScript 4.24

CornersGeoreference is used to set the geographic location of the image or element referenced in the MediaLayer using corner points of a bounding box.

// create a canvas image element by setting its corner points of the bounding box
const canvasElement = new ImageElement({
  image: canvas,
  georeference: new CornersGeoreference({
    bottomRight: new Point({
      x: -121.369,
      y: 45.061,
      spatialReference: {
        wkid: 4326
      }
    }),
    bottomLeft: new Point({
      x: -122.363,
      y: 45.061,
      spatialReference: {
        wkid: 4326
      }
    }),
    topRight: new Point({
      x: -121.369,
      y: 45.678,
      spatialReference: {
        wkid: 4326
      }
    }),
    topLeft: new Point({
      x: -122.363,
      y: 45.678,
      spatialReference: {
        wkid: 4326
      }
    })
  })
});
See also

Constructors

new CornersGeoreference(properties)
Parameter
properties Object
optional

See the properties for a list of all the properties that may be passed into the constructor.

Property Overview

Any properties can be set, retrieved or listened to. See the Working with Properties topic.
Show inherited properties Hide inherited properties
Name Type Summary Class
Point

The bottom left point of the bounding box representing the geographic location of the image or video element being added to the MediaLayer.

more details
CornersGeoreference
Point

The bottom right point of the bounding box representing the geographic location of the image or video element being added to the MediaLayer.

more details
CornersGeoreference
String

The name of the class.

more details
Accessor
Point

The top left point of the bounding box representing the geographic location of the image or video element being added to the MediaLayer.

more details
CornersGeoreference
Point

The top right point of the bounding box representing the geographic location of the image or video element being added to the MediaLayer.

more details
CornersGeoreference
String

The georeference type.

more details
CornersGeoreference

Property Details

bottomLeft Point

The bottom left point of the bounding box representing the geographic location of the image or video element being added to the MediaLayer.

Default Value:null
See also
bottomRight Point

The bottom right point of the bounding box representing the geographic location of the image or video element being added to the MediaLayer.

Default Value:null
See also
declaredClass Stringreadonly inherited

The name of the class. The declared class name is formatted as esri.folder.className.

topLeft Point

The top left point of the bounding box representing the geographic location of the image or video element being added to the MediaLayer.

Default Value:null
See also
topRight Point

The top right point of the bounding box representing the geographic location of the image or video element being added to the MediaLayer.

Default Value:null
See also
type Stringreadonly

The georeference type.

For CornersGeoreference the type is always "corners".

Method Overview

Show inherited methods Hide inherited methods
Name Return Type Summary Class

Adds one or more handles which are to be tied to the lifecycle of the object.

more details
Accessor
Boolean

Returns true if a named group of handles exist.

more details
Accessor

Removes a group of handles owned by the object.

more details
Accessor

Method Details

addHandles(handleOrHandles, groupKey)inherited
Since: ArcGIS API for JavaScript 4.25

Adds one or more handles which are to be tied to the lifecycle of the object. The handles will be removed when the object is destroyed.

// Manually manage handles
const handle = reactiveUtils.when(
  () => !view.updating,
  () => {
    wkidSelect.disabled = false;
  },
  { once: true }
);

// Handle gets removed when the object is destroyed.
this.addHandles(handle);
Parameters
handleOrHandles WatchHandle|WatchHandle[]

Handles marked for removal once the object is destroyed.

groupKey *
optional

Key identifying the group to which the handles should be added. All the handles in the group can later be removed with Accessor.removeHandles(). If no key is provided the handles are added to a default group.

hasHandles(groupKey){Boolean}inherited
Since: ArcGIS API for JavaScript 4.25

Returns true if a named group of handles exist.

Parameter
groupKey *
optional

A group key.

Returns
Type Description
Boolean Returns true if a named group of handles exist.
Example
// Remove a named group of handles if they exist.
if (obj.hasHandles("watch-view-updates")) {
  obj.removeHandles("watch-view-updates");
}
removeHandles(groupKey)inherited
Since: ArcGIS API for JavaScript 4.25

Removes a group of handles owned by the object.

Parameter
groupKey *
optional

A group key or an array or collection of group keys to remove.

Example
obj.removeHandles(); // removes handles from default group

obj.removeHandles("handle-group");
obj.removeHandles("other-handle-group");

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