Subtype Group Layer (SubtypeGroupLayer)

Subtype group layers can be created by referencing a layer from a feature service that contains subtypes. Each subtype in the feature service layer can be a separate layer in the subtype group layer, and be given its own display and editing properties.

With respect to layer blending, subtype group layers follow the same rules as group layers.

Referenced by: operationalLayers

Properties

Property Details
blendMode Blend modes are used to create various effects by blending colors of top and background layers. normal blend mode is the default.
Valid values: average, color, color-burn, color-dodge, darken, destination-atop, destination-in, destination-out, destination-over, difference, exclusion, hard-light, hue, invert, lighten, lighter, luminosity, minus, multiply, normal, overlay, plus, reflect, saturation, screen, soft-light, source-atop, source-in, source-out, vivid-light, xor
customParameters A sequence of custom parameters appended to the URL of all requests related to supporting ArcGIS layer types.
effect Effect provides various filter functions to achieve different visual effects similar to how image filters (photo apps) work. Detailed description.
id A unique identifying string for the layer.
itemId Optional string containing the item ID of the service if it's registered on ArcGIS Online or your organization's portal.
layerDefinition A layerDefinition object defining the attribute schema and drawing information for the layer.
See layerDefinition properties table.
layers An array of feature layers, each describing the properties for a subtype in the feature service layer.
layerType String indicating the layer type.
Valid value of this property SubtypeGroupLayer
opacity The degree of transparency applied to the layer on the client side, where 0 is full transparency and 1 is no transparency.
refreshInterval Refresh interval of the layer in minutes. Non-zero value indicates automatic layer refresh at the specified interval. Value of 0 indicates auto refresh is not enabled.
title A user-friendly string title for the layer that can be used in a table of contents.
url The URL to the layer. If the layer is not from a web service but rather a feature collection, then the url property is omitted.
visibility Boolean property determining whether the layer is initially visible in the web map.

layerDefinition properties

Property Details
definitionExpression SQL-based definition expression string that narrows the data to be displayed in the layer.
maxScale Integer property used to determine the maximum scale at which the layer is displayed.
minScale Integer property used to determine the minimum scale at which the layer is displayed.

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