[Therion] Showing a lower scrap down a pit in an overlying scrap

[Footleg]

Thanks Bruce. That is most helpful.

Your wiki pages on layout templates have already been immensely useful
to me and I am fast becoming rather more adept at hacking metapost
than I ever intended!

Now I need to draw up enough scraps to be able to play with these
hierarchical PDF outputs.

Footleg

On 9 May 2012 10:46, Bruce <bruce at tomo.co.nz> wrote:
>
>>So is the advantage of using two maps only so that you can present a
>>subset of the survey (from the separate map) offset...
> In this case yes.
>
>>...or at a different scale or similar in the same output PDF?
> Cannot do different scales in the same output pdf as far as I know.
>
>> I've not yet got as far as
>>working out how to combine multiple maps into one output document.
>
> It's as easy as;
>        select map1
>        select map2
>        select map3
> in the thconfig file.  The resulting pdf will then have a layer for each of
> the maps and for the surface image if you have one.  These layers can be
> toggled visible or not by the user of the pdf viewer.
>
> Aside from that, I use maps hierarchically the same way as we tend to do
> with survey centrelines as a basic means of managing a project. Each section
> of cave has its own map.  These maps are in turn collected into maps, then
> these are in turn collected into a map of the whole cave.  Then perhaps a
> map with several nearby caves and surface features.  You can choose to
> export the map at the top of the 'tree' in which case you do not get a
> layered pdf, or you can export a selection of maps below the top of the tree
> to get a layered pdf.
>
> I've tried to explain my understanding of it, somewhat unfinished, here
> http://therion.speleo.sk/wiki/doku.php?id=bds#concepts
>
> Bruce
>
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