[Therion] Basic scaling issue

[mara]

Hi,

need some help again on scaling...

Uploaded an old map and have just th2 file, no centerline. Original 
scale is 1:2000 but inserting this data in thconfig gives me a map 3 cm 
long for a survey of 400m in total, there's something wrong.

Second point, anybody with experience in mapping caves with sumps? 
Both aerial and underwater areas?
thanks in advance

best
Andrea


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