[SG2] topography

I'm looking at a SG game (my first, aside from GZGECC) using a map with an
elevation change of about 100ft in 250 meters. Infantry appear to treat slopes
as "clear" so no move penalty, but we know that reality doesn't work that way.
I've seen an orienteering page that suggests the
time for gain-in-altitude of 10 meters is the same as adding +100 meters
to the linear distance. If we do that, then a 10ft (~3m) gain in altitude
would cost 3" of movement. Going downslope should clost something too, I'd
think. Opinions from the SG2 crowd?

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