[Therion] Drawing the map of a vertical cave

Bruce Mutton bruce at tomo.co.nz
Tue Jan 28 19:31:32 CET 2025


Hi Jean-Florent

As Tarquin said!

However solutions I have used to good effect...

 

If your data is pencil and paper, then printing and sketching on paper
(while viewing models, plan and elevation on-screen simultaneously) then
scanning those sketches can be an easier way of untangling.

Or break the survey into small sections of survey that only minimally
overlap, and export one at a time for eventual sketching.

 

If your data is paperless, then the best option is to anticipate this while
in the cave - if it is becoming hard to decipher in the cave on your device,
then it won't be better in XTherion.

In this case, create a new survey file.

 

In both cases, limit the scope of your xvi only to the individual survey.

Good luck!

Bruce

 

PS: Perhaps a key thing to remember is that if the plan is becoming
difficult, an elevation drawing will be a better way of conveying to viewers
an understanding of the cave.



(An example of a 5 or 6 level shaft spiral that is somewhat OK in plan)

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