Class: esri/layers/support/LOD
Inheritance: LOD Accessor
Since: ArcGIS API for JavaScript 4.0

An TileLayer has a number of LODs (Levels of Detail). Each LOD corresponds to a map at a given scale or resolution. LOD has no constructor.

See also:

Property Overview

Any properties can be set, retrieved or listened to. See the Working with Properties topic.
NameTypeSummary
String

The name of the class.

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Number

ID for each level.

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String

String to be used when constructing a URL to access a tile from this LOD.

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Number

Resolution in map units of each pixel in a tile for each level.

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Number

Scale for each level.

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Property Details

declaredClassStringreadonly

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

levelNumber

ID for each level. The top most level is 0.

levelValueString

String to be used when constructing a URL to access a tile from this LOD. If levelValue is not defined, level will be used for the tile access URL. This property is useful when an LOD object represents a WMTS TileMatrix with non-numeric matrix identifiers.

resolutionNumber

Resolution in map units of each pixel in a tile for each level.

scaleNumber

Scale for each level.

Method Overview

NameReturn TypeSummary
*

Creates a new instance of this class and initializes it with values from a JSON object generated from a product in the ArcGIS platform.

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Object

Converts an instance of this class to its ArcGIS Portal JSON representation.

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Method Details

fromJSON(json){*}static

Creates a new instance of this class and initializes it with values from a JSON object generated from a product in the ArcGIS platform. 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.

Parameter:
json Object

A JSON representation of the instance in the ArcGIS format. See the ArcGIS REST API documentation for examples of the structure of various input JSON objects.

Returns:
TypeDescription
*Returns a new instance of this class.

toJSON(){Object}

Converts an instance of this class to its ArcGIS Portal JSON representation. See the Using fromJSON() topic in the Guide for more information.

Returns:
TypeDescription
ObjectThe ArcGIS Portal JSON representation of an instance of this class.

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