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problem the program will ask for the z coordinate for each geographic
location, as mentioned above.
Another value the program prompts for is the "number of binary digits." This
value tells the program how many times to divide the "unit square or cube" for
mapping to the unit interval. The object here is to use the smallest value
possible that will return a unique theta value for each point. This holds true
for both the 2- and 3-dimensional cases. Three-dimensional cases are tricky.
The best way to obtain answers in 3-dimensional cases is to start with a
"binary digit" value of 1, then try 2, then try 3, etc. The program runs fast,
so this does not take as much time as one would think. (NOTE: The
3-dimensional cases cause the arrays to grow rapidly, eating up memory! This
program has returned good results for up to 52 3-dimensional points. Above
this number, the 3-dimensional capability is unknown! The 2-dimensional
capability has been tested to 89 2-dimensional points.)
GOOD LUCK and have fun! The Space Filling Curve is an amazingly versatile
tool!
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