ESM: import GroundView from "@arcgis/core/views/GroundView.js";
CDN: const GroundView = await $arcgis.import("@arcgis/core/views/GroundView.js");
Class: @arcgis/core/views/GroundView
Since: ArcGIS Maps SDK for JavaScript 4.7
Property Overview Any properties can be set, retrieved or listened to. See the Watch for changes topic.Show inherited properties Hide inherited properties
Property DetailsInherited
Property declaredClass Stringreadonly
The name of the class. The declared class name is formatted as esri.folder.className
.
An elevation sampler that may be used to sample and query elevation values from the ground surface that is currently being displayed.
The elevation sampler is not supported for MapView and may be null
while the ground surface display is being initialized.
The resolution of the sampled values depends on the ground elevation display resolution (high resolution close to the camera, low resolution far away from the camera). Because of the dynamic nature of the display resolution, the demResolution property of the returned sampler is not fixed and will change based on the data loaded by the view.
If higher or more consistent sample resolution is required, then consider creating a sampler at the desired resolution using ElevationLayer.createElevationSampler or Ground.createElevationSampler.
Example
let elevationSampler = view.groundView.elevationSampler;
// watch for changes in the elevationSampler
elevationSampler.on('changed', function() {
// get z-values from the elevation displayed in the view
let zEnrichedGeometry = elevationSampler.queryElevation(geometry);
});
Since: ArcGIS Maps SDK for JavaScript 4.28 GroundView since 4.7, extent added at 4.28.
The extent represents the visible portion of ground within the view as an instance of Extent. The ground view extent is computed based on the ground surface elevation at the center of the view, while the SceneView extent is computed at the elevation of all of the scene content at the center of the view. The ground view extent may be more appropriate when synchronizing the viewpoint of a MapView and a SceneView.
A collection containing a hierarchical list of all the created LayerViews of the layers in the ground.
updating Booleanreadonly
Value is true
when any of the ground layer views are updating.
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Method DetailsInherited
Method addHandles(handleOrHandles, groupKey)
Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, addHandles added at 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 }
);
this.addHandles(handle);
// Destroy the object
this.destroy();
Parameters
Handles marked for removal once the object is destroyed.
groupKey *
optionalKey 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.
Inherited
Method hasHandles(groupKey){Boolean}
Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, hasHandles added at 4.25.
Returns true if a named group of handles exist.
Parameter
groupKey *
optionalA group key.
Returns
Type Description Boolean Returnstrue
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");
}
Inherited
Method removeHandles(groupKey)
Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, removeHandles added at 4.25.
Removes a group of handles owned by the object.
Parameter
groupKey *
optionalA 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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