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.
NameTypeSummaryClass
String

The name of the class.

more details
more detailsAccessor
Number

ID for each level.

more details
more detailsLOD
String

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

more details
more detailsLOD
Number

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

more details
more detailsLOD
Number

Scale for each level.

more details
more detailsLOD

Property Details

declaredClassStringreadonly inherited

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 TypeSummaryClass
*

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

more details
more detailsLOD
Object

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

more details
more detailsLOD

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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