Thanks Tarquin.
I thought this is the case
I'm interested to see if I turn a splay into a leg, how this will affect
the model.
On Fri, Sep 4, 2020 at 12:51 AM Tarquin Wilton-Jones via Therion <
therion@speleo.sk> wrote:
> > In the attached screenshot, therion build a wall between station c1 &
> > B36.1 (marked with blue line).
> > These are supposed to be two separate chimanies.
> > Why does it feel the necessity to connect it?
>
> In general; because there are not enough splays hitting the area between
> the two chimneys, so it assumes there is no rock between them (a single
> splay can get discounted as possibly hitting a rock spike or whatever).
>
> I get it on some of mine where I survey around an oxbow and it assumes
> they are a single passage, even though I shoot a tonne of splays at the
> walls.
>
> You can usually help it by having more splays, or by having legs as well
> as splays, one going up each chimney/aven. It sees two legs, and it
> assumes two passages.
>
> It also seems to use the plan and extended elevation to help add extra
> bits of wall, but it never seems to use them to remove parts of the
> walls. If your extended elevation shows no wall between the chimneys, or
> if your plan shows no wall between two parallel passages, Loch will show
> it as a solid block.
>
> Lox is a very smart approximation of the 3D view of the cave, but it is
> definitely not perfect. This will not be the only fault you see :)
>
> Tarquin
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