Create a Group Layer in an ArcGIS Online WebMap with the ArcGIS API for Python

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Learn how to create a Group Layer in an ArcGIS Online Web Map using the ArcGIS API for Python. Since there is no direct method for creating group layers, this tutorial demonstrates a practical JSON-based workaround to modify the web map definition and organize multiple operational layers into a new group.

In this step-by-step lesson, you'll work with web map JSON, layer definitions, Python dictionaries, list comprehensions, and the ArcGIS Online item update() method to create and save a new Group Layer.

📘 *What you will learn:*
▪️ How to retrieve a Web Map's JSON definition
▪️ How to select and combine multiple operational layers
▪️ How to build a Group Layer definition using Python dictionaries
▪️ How to update the Web Map's operational layers

00:00 Introduction
00:19 Get the WebMap definition
00:50 Manipulating the WebMap definition
03:38 Verifying the group layer in ArcGIS Online

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Видео Create a Group Layer in an ArcGIS Online WebMap with the ArcGIS API for Python канала Final Draft Mapping