A Data Analyst is creating a map that includes multiple data layers at country, state, and city levels. Users want to customize their map by turning layers on and off as needed.
How should the analyst provide this functionality?
A.
Add a parameter to toggle layer visibility.
B.
Use dual-axis maps to overlay different layers.
C.
Enable the Layer Control in the Map Options.
D.
Use the Filter shelf to allow users to filter layers.
With the introduction of Map Layers in Tableau (version 2020.4 and later), the most direct and intuitive way to provide users with the ability to turn map layers on and off is to Enable the Layer Control in the Map Options.
The correct answer is C. Enable the Layer Control in the Map Options.
Here's why:
Layer Control (Built-in Feature): Tableau's Map Layers feature allows you to add multiple geographic fields (e.g., country, state, city) or other geographic data (points, polygons) as separate "layers" on a single map. Each layer has its own Marks card. When you have multiple layers, Tableau automatically provides a "Layers" pane (accessible via the Map menu > Map Layers or the Map Options pane). Within this Layers pane, you can enable the "Layer Control" option. Once enabled, this control will appear on the published map, allowing users to toggle the visibility of each individual layer directly.
Parameters in Tableau provide direct user control.
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