With the Maps API, you can set a z-index of a polygon, which allows you to overlap several overlays (markers, polylines, polygons) and control which one is visible or on top. But since it's 2-dimensional, you can't control the actual height (because there is no height).
With the Earth Plugin API you can configure an item to be at a specific height above the ground.
I’d be looking to set the height of the polygon above ground level ?
Do you have any controls over the height of the polygon?
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