DOWN has been mis-converted into +90 rather than -90, when converting
from Survex format to Therion format.
Survex:
2213 2212 B 3.49 - DOWN
Therion:
2213 2212 3.49 311 90
I'm guessing that error may turn up elsewhere. consort_climax looks
similarly wrong.
As a point to note -90 and Down at treated differently for clino
correction, they can be treated ed the same
From the survex manual
"*infer plumbs on" tells cavern to interpret gradients of +/- 90
degrees as UP/DOWN (so it will not apply the clino correction to them).
This is useful when the data has not been converted to have UP and DOWN
Andrew
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