data layer

A data layer is a layerA layer is a reference to a collection of geographic data that is used to access and display data. The data for layers are typically provided by the basemap layer service and data services.Learn more that references geographic data from a file or a service and is used to visualize that data in a map or scene. Data layers are displayed on top of a basemap layer. Data layers commonly reference data that is hosted and managed in ArcGIS. Some common types of data layer are: feature layersA feature layer (client-side) is a data layer that can access and display features from a feature service that has the same type of geometry and attribute fields.Learn more (referencing a feature service, a GeoPackage, or a shapefile), KML layers (referencing a KML file), WFS layers (referencing data stored in an OGC WFS), and tile layersA tile layer is a data layer that can access and display tiles (rectangular sections) into a continuous layer. The tiles are either raster image tiles or vector tiles that are generated into a tile cache before being made available for use.Learn more which display tiles from a vector tile serviceA vector tile service is a data service that provides access to vector tile data and a style definition.Learn more or image tile serviceA map tile service, formerly known as image tile service, is a data service that provides access to static, pre-rendered mao tiles. The tiles are typical in PNG format. Map tiles are typically retrieved by specifying a specific level, row, and column value.Learn more.