[Therion] Aligned cross sections for multiple passages

[Andrew Atkinson]

I have a quick and dirty script that sort of already does this. I'm
currently not at home but will post what I have on my return in a few days.
Documenting and improving it has been on my list of things to do for a
while now

Andrew

On Sun, 26 May 2019, 20:18 Tarquin Wilton-Jones via Therion, <
therion at speleo.sk> wrote:

> > Do you have stations in all the sections?
>
>
> I do not need this, but I could - I have tested and it would work with
> multiple stations in the cross section.
>
> I was planning to create the sections after exporting an XVI, rather
> than using any existing cross sections (though it would of course be
> nice to know if an existing cross section could be used - I am sure
> other people wanting to do this will want to use existing cross
> sections). I can in fact think of a way to use existing cross sections
> like that, by copying and moving them into position with the exported
> points, so it is not impossible. It would of course be nice if it were
> easier, but I can work with it as it is.
>
> > source “cystanog.th"
> > export map -projection [elevation 355] -fmt xvi -output “centerline.xvi"
>
>
> The biggest issue with this is that there will be 2500 stations in that
> exported centreline. The cave is extremely linear, and when projected on
> a bearing of 355 (which is what I need for the cross sections), they are
> almost all in the same 3 locations. So many that it is almost impossible
> to find the 3 stations I am interested in, and even harder to find the
> splays that relate to them. See the attached images.
>
> This is why I wanted to export only the 3 stations and related splays,
> so I can actually see what to work with.
>
> > If you use it as background image and create a scrap in which only those
> > three stations and profiles will be defined and exported map with that
> > scrap, you receive what you need. Not use point station in that scrap,
> > and set its projection as none. I’m not sure what it will do with scale
> > option in layout.
> >
> > Then input the .th2 file with that scrap to .th file and use in plan
> > scraps for section the name of that scrap as reference.
> >
> > It should work.
>
>
> Exactly what I was planning to do, yes. Good, so I am not insane :)
> Thanks for confirming this technique.
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