ExtrudeSymbol3DLayer

require(["esri/symbols/ExtrudeSymbol3DLayer"], function(ExtrudeSymbol3DLayer) { /* code goes here */ });
Class: esri/symbols/ExtrudeSymbol3DLayer
Inheritance: ExtrudeSymbol3DLayer Symbol3DLayer Accessor
Since: ArcGIS API for JavaScript 4.0

ExtrudeSymbol3DLayer is used to render Polygon geometries by extruding them upward from the ground, creating a 3D volumetric object. This is done with a PolygonSymbol3D in a SceneView. MapView does not support 3D symbols.

The color of the symbol is set in the material property. The height of the extrusion is always defined in meters with the size property. Extrusion height and color can also be data-driven by adding size and/or color visual variables to any Renderer that uses this symbol layer.

An ExtrudeSymbol3DLayer must be added to the symbolLayers property of a PolygonSymbol3D. Multiple symbol layers may be used in a single symbol. The image below depicts a polygon FeatureLayer representing building footprints. The features are symbolized with a PolygonSymbol3D containing an ExtrudeSymbol3DLayer. The extrusion is based on the height of buildings.

renderer-vv-size-3d

See Symbol3DLayer and Symbol3D to read more general information about 3D symbols, symbol layers and how they relate to one another.

Autocasting support

As of version 4.5 of the ArcGIS API for JavaScript, autocasting is universally supported for all renderers, symbols, and symbol layers in the API. So there is no need to include this module in the require() and define() module loaders of your application unless you intend to use the static method(s) of this module.

See also:
Example:
var symbol = {
  type: "polygon-3d",  // autocasts as new PolygonSymbol3D()
  symbolLayers: [{
    type: "extrude",  // autocasts as new ExtrudeSymbol3DLayer()
    size: 100000,  // 100,000 meters in height
    material: { color: "red" }
  }]
};

Constructors

new ExtrudeSymbol3DLayer(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.
NameTypeSummaryClass
String

The name of the class.

more details
more detailsAccessor
Object

The material used to shade the extrusion.

more details
more detailsExtrudeSymbol3DLayer
Number

The height of the extrusion in meters.

more details
more detailsExtrudeSymbol3DLayer
String

For ExtrudeSymbol3DLayer the type is always extrude.

more details
more detailsExtrudeSymbol3DLayer

Property Details

declaredClassStringreadonly inherited

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

materialObject

The material used to shade the extrusion. This property defines the extrusion's color.

Property:
color Color
optional

The fill color of the extrusion. This can be autocast with a named string, hex string, array of rgb or rgba values, an object with r, g, b, and a properties, or a Color object.

Default value: white

Examples:
// CSS color string
symbolLayer.material = {
  color: "dodgerblue"
};
// HEX string
symbolLayer.material = {
  color: "#33cc33";
}
// array of RGBA values
symbolLayer.material = {
  color: [51, 204, 51, 0.3];
}
// object with rgba properties
symbolLayer.material = {
  color: {
    r: 51,
    g: 51,
    b: 204,
    a: 0.7
  }
};

sizeNumber

The height of the extrusion in meters. Negative values will extrude the polygon surface downward towards or below the ground.

Default Value: 1
Examples:
// polygon is extruded 50,000 meters
symbolLayer.size = 50000;
// polygon is extruded 50,000 meters below the ground
symbolLayer.size = -50000;

typeString

For ExtrudeSymbol3DLayer the type is always extrude.

Method Overview

NameReturn TypeSummaryClass
ExtrudeSymbol3DLayer

Creates a deep clone of the symbol layer.

more details
more detailsExtrudeSymbol3DLayer
*

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 detailsSymbol3DLayer
Object

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

more details
more detailsSymbol3DLayer

Method Details

Creates a deep clone of the symbol layer.

Returns:
TypeDescription
ExtrudeSymbol3DLayerA deep clone of the object that invoked this method.
Example:
// Creates a deep clone of the graphic's first symbol layer
var symLyr = graphic.symbol.symbolLayers.getItemAt(0).clone();

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}inherited

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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