[Therion] How to mark a preferred way through a cave

[Robin Weare]

I'm incapable of anything too technical so have used the "line arrow" 
function to show a route.

Robin


----- Original Message ----- 
From: "Bruce" <bruce at tomo.co.nz>
To: "'List for Therion users'" <therion at speleo.sk>
Sent: Wednesday, May 27, 2015 9:43 AM
Subject: [Therion] How to mark a preferred way through a cave


> Michael
> If I understand correctly Dave's suggestion of user defined lines will 
> only
> work if you draw scraps, and I don't think that is what you are asking for
> (although drawing simple scraps with only station points and route lines 
> to
> overlay your bitmaps might be your best solution).
>
> I hesitate to suggest this, but if you don't mind using a nasty hack, you
> could, for example set...
> flags approx
> ...on the route, and then redefine l_survey_cave to emphasise the approx
> centreline and make recessive other line flags.
> An example of the sort of code you could use is here
>
> http://therion.speleo.sk/wiki/doku.php/metapost?s[]=approx#general_symbol_ex
> amples
> "Visualize cave centreline shot flags with colour for splay and duplicate,
> and dash for approximate shot flags"
>
> This will only work with pdf and probably svg outputs, and will have no
> effect on 3d outputs.
>
> Bruce
>
> -----Original Message-----
> From: therion-bounces at speleo.sk [mailto:therion-bounces at speleo.sk] On 
> Behalf
> Of Michael Wasmund
> Sent: Monday, 25 May 2015 3:31 p.m.
>
> Hello,
>
> If I want to mark a preferred way through a maze cave,
> is there a way to "mark" or "flag" some centerlines, so that they appear
> different from the majority in 2D / 3D output?
> (Can't work with scraps, it's all bitmaps)
>
> Michael.
>
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