layer

A layer is a reference to a collection of geographic data that can be accessed and displayed in a or a . There are and , and their format is either vector or raster. The data source for a basemap layer is typically the and the source for are , but could be a variety of different formats including files, streams, databases, and others.

Data layers

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You can no longer sign into this site. Go to your ArcGIS portal or the ArcGIS Location Platform dashboard to perform management tasks.

Your ArcGIS portal

Create, manage, and access API keys and OAuth 2.0 developer credentials, hosted layers, and data services.

Your ArcGIS Location Platform dashboard

Manage billing, monitor service usage, and access additional resources.

Learn more about these changes in the What's new in Esri Developers June 2024 blog post.

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