Geography Metrics calculations time out

[wmcclin]

I'm trying to create a report for MPAtlas data (and the High Seas geography) in https://seasketch.org/bbnj but the calculations for the geography metrics always time out.

[underbluewaters]

I turned off the slower overlap-aware analysis mode on this one and that helped it complete. The results are possibly less accurate in this mode. There shouldn't ever be any results from this anyways, since all the MPAs are going to be within an EEZ, right?

In general you can expect that performance when calculating geography-level results for the high seas is going to be pretty poor. It's a complex polygon that covers the whole planet, so a bunch of optimizations that EEZ-size calculations can leverage are not really applicable. That's certainly something that can be improved if this project takes off, but it could potentially take a week of work. So I'll hold off until it becomes a problem.

[wmcclin]

Thanks. Yeah, results for existing (designated) MPAs on the high seas should always be zero. However, MPAtlas has a layer for proposed MPAs which does, in fact, have a number of polygons, particularly around Antarctica. So, it will be important to have that working.

I agree it's fine to hold off now and wait to see if this project takes off.