Matt L.
Getting the hang of it
The documentation is scarce on this. I know it's quirky to deal with trying to determine a vector from a 2D image. However, some zone>zone things have had rather parodoxical results.
I don't even know if A>B>C is possible. I wish it would, because a straight line border crossing does not imply direction to any better than a variance of 180 degrees. A second crossing drops that to nearly nothing. Anyhow, my results have been more of as if I got my carrats wrong. It's playing doorbell when people depart, not come. I had B>A, and C>B>A with A being area closest to door and each subsequent zone being a rough arc radiating from whence.
I don't even know if A>B>C is possible. I wish it would, because a straight line border crossing does not imply direction to any better than a variance of 180 degrees. A second crossing drops that to nearly nothing. Anyhow, my results have been more of as if I got my carrats wrong. It's playing doorbell when people depart, not come. I had B>A, and C>B>A with A being area closest to door and each subsequent zone being a rough arc radiating from whence.