I am freshly back from the ESRI Federal Conference where we were told (in multiple sessions including the Plenary) that polygon boundaries are now available. YAY! These take up less memory and are loaded in less time that a strict rectangle. However, that 16 map area limit... I just completed an ESRI online course where the instructor introduced the class to these polygon boundaries as well as the ability to create seemingly limitless map areas in AGOL. I pointed him to the documentation on the limit of 16. It is a disappointment for an otherwise helpful feature. For a federal survey program collecting data across the US, 16 map areas is entirely insufficient. I would love to hear any workarounds or enhancements offered.
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