Is there entrance marked?
m.s.
On Mar 23, 2017, at 02:04 PM, Duncan via Therion <therion@speleo.sk> wrote:
We surveyed the surface above an old mine to get a feel for how thin the
roof is.
See attached Loch screenshot.
Unfortunately, the surface legs are being included in the Depth value
displayed on the Plan PDF (see attached).
Displayed value is 13m, it should be about 8m. 13m is the maximum
vertical extent of all our survey legs.
The centerline data for the surface legs has been flagged as "flags
surface".
These have been correctly omitted from the cave length, and cave length
is updated when the surface flag is commented out. However, the vertical
range does not alter when the surface flag is toggled.
I expected cave depth to be the maximum vertical range of the
underground data.
Hope someone can set me straight :)
Duncan
<OldMineLoch.JPG>
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