5.4.3 FeatureLayer

5.4.3 FeatureLayer

Description:

• feature geometry and attributes sent to client; rendered on client
• features to stream to the client are often filtered using a definition expression
• having the geometry and attributes on the client enables the implementation of popup windows
• also supports several types of renderings (e.g., unique values, class breaks, etc.)

How do I know I’m dealing with a FeatureLayer?

• on ArcGIS Server instances, can be created from a service labeled as either MapServer or FeatureServer
• when dealing with a service containing multiple layers, must create the FeatureLayer from one of the service sub-layers

Class description in the SDK:

• ArcGIS API for JavaScript: FeatureLayer

Example service:

• U.S. counties: ArcGIS REST Services Directory: Layer: Detailed Counties (ID:2) 

Code sample:

• ArcGIS API for JavaScript: Add FeatureLayer to your Map