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Note: Support for 3D on mobile devices may vary, view the system requirements for more information.

This sample shows how to change the opacity and color of the ground and how to enable underground navigation in a global WebScene.

In a global scene the user is constrained by default to navigate above the ground surface, so setting the navigationConstraint to none will allow users to navigate under the ground.

map.ground.navigationConstraint = {
  type: "none"
};

Sometimes it's useful to see what data lies under the ground surface without navigating below the surface. Setting the ground opacity to a value lower than 1 allows users to see through the ground surface. The opacity is applied to the basemaps (if any available) as well.

map.ground.opacity = 0.6;

In this sample we visualize the scene at the street level. That's why a basemap is not really needed. To avoid having a grid as default, we set a surfaceColor on the ground:

map.ground.surfaceColor = "#CFC7BC";

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