Hi Gerd,
looking at "Kompakte Variante" i think that for each calculated point
(x,y) this is true:
err = (x - xS +1)*dy + (y - yS +1)*dx
where xS and yS are start coordinates - initial value for x0, y0.
If you find arbitrary intermediate point on the line and round its
position to nearest Garmin grid point, then you get values for x, y and
you can calculate err. And simply make some more iteration, finding a
point, where err is the lowest.
Ok, I can make a mistake somewhere, I haven't tested it, but it looks
for me as a valid solution.
--
Best regards,
Andrzej
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