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Showing content from https://developers.arcgis.com/javascript/latest/api-reference/esri-geometry-HeightModelInfo.html below:

HeightModelInfo | API Reference | ArcGIS Maps SDK for JavaScript 4.33

ESM: import HeightModelInfo from "@arcgis/core/geometry/HeightModelInfo.js";

CDN: const HeightModelInfo = await $arcgis.import("@arcgis/core/geometry/HeightModelInfo.js");

Class: @arcgis/core/geometry/HeightModelInfo

Since: ArcGIS Maps SDK for JavaScript 4.5

The height model info defines the characteristics of a vertical coordinate system. In a SceneView, the height model info of a WebScene is used to avoid rendering layers that have incompatible vertical coordinate systems. A height model info object is defined by a surface type, a vertical unit, and an optional datum realization.

See also

• Vertical coordinate systems

HeightModelInfo Constructor new HeightModelInfo(properties)

Parameter

optional

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

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declaredClass

Inherited

Property declaredClass Stringreadonly

Since: ArcGIS Maps SDK for JavaScript 4.7 Accessor since 4.0, declaredClass added at 4.7.

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

heightModel Property heightModel String

The surface type or height model of the vertical coordinate system (VCS). A SceneView will only render layers containing data that is compatible with the HeightModelInfo of the scene.

Value Description gravity-related-height A gravity-related VCS may set its zero point through a local mean sea level or a benchmark, and is compatible with other gravity-related VCS for the purposes of rendering. ellipsoidal An ellipsoidal VCS defines heights that are referenced to an ellipsoid of a geographic coordinate system.

Possible Values:"gravity-related-height" |"ellipsoidal"

Default Value:"gravity-related-height"

heightUnit Property heightUnit String

The unit of the vertical coordinate system. A SceneView will use this property to check that the vertical data of layers that define a HeightModelInfo is compatible with the view.

Possible Values:"150-kilometers" |"1865-feet" |"50-kilometers" |"benoit-1895-a-chains" |"benoit-1895-a-feet" |"benoit-1895-a-links" |"benoit-1895-a-yards" |"benoit-1895-b-chains" |"benoit-1895-b-feet" |"benoit-1895-b-links" |"benoit-1895-b-yards" |"british-1936-feet" |"centimeters" |"chains" |"clarke-chains" |"clarke-feet" |"clarke-links" |"clarke-yards" |"decimeters" |"fathoms" |"feet" |"german-meters" |"gold-coast-feet" |"inches" |"indian-1937-feet" |"indian-1937-yards" |"indian-1962-feet" |"indian-1962-yards" |"indian-1975-feet" |"indian-1975-yards" |"indian-feet" |"indian-yards" |"kilometers" |"links" |"meters" |"micrometers" |"millimeters" |"nanometers" |"nautical-miles" |"points" |"rods" |"sears-1922-truncated-chains" |"sears-1922-truncated-feet" |"sears-1922-truncated-links" |"sears-1922-truncated-yards" |"sears-chains" |"sears-feet" |"sears-links" |"sears-yards" |"smoots" |"statute-miles" |"tx-vara" |"uk-nautical-miles" |"us-chains" |"us-feet" |"us-inches" |"us-links" |"us-miles" |"us-nautical-miles" |"us-rods" |"us-yards" |"yards"

The datum realization of the vertical coordinate system. A SceneView will only render layers that define a HeightModelInfo with an identical vertCRS to that of the scene, when using an ellipsoidal height model.

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addHandles

Inherited

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 *

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.

Creates a new instance of this class and initializes it with values from a JSON object generated from an ArcGIS product. The object passed into the input json parameter often comes from a response to a query operation in the REST API or a toJSON() method from another ArcGIS product. See the Using fromJSON() topic in the Guide for details and examples of when and how to use this function.

Returns

Type Description * | null | undefined Returns a new instance of this class.

hasHandles

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 *

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

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 *

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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