I think I can hear the echoes of my first computer teacher saying,
"You'll never need more than 1mb of memory!"
It's funny, I guess some things never change. Just 2 days ago one of my professors was going on about how programmers will never need more than 4GB that's becoming the standard virtual memory size.
X-plane terrain map takes a small 90GB all by itself.. And that is 3 M resolution.
While it's obviously paged in as required, sizes for the visible view will only increase as the data gets more accurate. -- "Vision without funds.... is a hallucination"
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And that is 3 M resolution.