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I improved the "route area" calculation. It is now really fast. I kept the free limits at 4 hours or 12 miles. I set the map enthusiast limits at 24 hours or 144 miles. If you need the map enthusiast limits higher, just let me know. I figured 24 hours would be sufficient for most purposes, but I can make it higher without any problems.
Great news! After a lot of research and work, I was able to overhaul the route calculation system. It is now about 600 times faster! Many of the old limitations do not apply any more. You can calculate a route from French Lake in the Quetico to Trout Lake in the BWCA using just two points. Distance between points is no longer a factor. It also does not matter any more if the two points are in line with each other or not. For example, routing between Lake One and Snowbank Lake was difficult before because the route goes out way beyond the straight-line route between the two. No longer a problem.
Some other things can still be a problem, but I tried mitigating their impact. For example, using custom points (i.e. middle of the lake instead of using entry points, campsites, and portages) still can take a while to calculate. However, I think the calculation time is much less now.
I am still working out some issues with the "max area" calculation." I think it is faster now, but the time is still unacceptable. I'll be working on it.
The Free vs Map Enthusiast limitations still apply. For example, you still need to have a Map Enthusiast membership to do multipoint routing.
